fix: credential get fallback, update type field, and code refinements (v2.47.1) (#703 )

- GET /credentials/:id is not in the n8n public API; fall back to list + filter, catching both 403 and 405 responses - Forward optional `type` field in credential update for n8n versions that require it in PATCH payload - Strip `data` field from create/update credential responses - Code simplification: typed error handling, consolidated booleans, null-coalescing in version fetch Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
feat: add n8n_audit_instance and n8n_manage_credentials tools (v2.47.0) (#702 )
2026-04-04 16:43:11 +00:00 · 2026-04-04 13:09:03 +02:00 · 2026-04-04 11:27:20 +02:00 · 2026-04-03 14:00:53 +02:00 · 2026-04-03 09:53:44 +02:00 · 2026-04-02 22:40:17 +02:00
136 changed files with 7526 additions and 1827 deletions
--- a/.claude/agents/n8n-mcp-tester.md
+++ b/.claude/agents/n8n-mcp-tester.md
@@ -1,10 +1,9 @@
 ---
 name: n8n-mcp-tester
-description: Use this agent when you need to test n8n-mcp functionality after implementing fixes or new features. This agent should be invoked proactively after code changes to validate that the MCP tools work correctly with real n8n workflows. The agent tests the actual MCP server tools, not just unit tests. Examples:\n\n<example>\nContext: Developer has just fixed a validation bug in the n8n-mcp server\nuser: "I've fixed the validation issue for HTTP Request nodes"\nassistant: "I've completed the fix. Now let me build the project and then test it."\n<builds project>\nassistant: "Project built successfully. Please reload the MCP server in Claude Desktop to apply the changes."\nuser: "Reloaded"\nassistant: "Great! Now let me invoke the n8n-mcp-tester agent to verify the fix works correctly."\n<commentary>\nSince a fix has been implemented and the MCP server reloaded, use the n8n-mcp-tester agent to validate the fix works in real-world usage.\n</commentary>\n</example>\n\n<example>\nContext: Developer has added a new MCP tool for workflow validation\nuser: "I've implemented the new workflow validation tool"\nassistant: "Implementation complete. Let me build and prepare for testing."\n<builds project>\nassistant: "Build successful. Please reload the MCP server to load the new tool."\nuser: "Done"\nassistant: "Perfect! I'll now use the n8n-mcp-tester agent to test the new workflow validation tool."\n<commentary>\nAfter implementing new MCP functionality and reloading the server, invoke n8n-mcp-tester to verify it works correctly.\n</commentary>\n</example>
-tools: Glob, Grep, Read, WebFetch, TodoWrite, WebSearch, mcp__supabase__create_branch, mcp__supabase__list_branches, mcp__supabase__delete_branch, mcp__supabase__merge_branch, mcp__supabase__reset_branch, mcp__supabase__rebase_branch, mcp__supabase__list_tables, mcp__supabase__list_extensions, mcp__supabase__list_migrations, mcp__supabase__apply_migration, mcp__supabase__execute_sql, mcp__supabase__get_logs, mcp__supabase__get_advisors, mcp__supabase__get_project_url, mcp__supabase__generate_typescript_types, mcp__supabase__search_docs, mcp__supabase__list_edge_functions, mcp__supabase__deploy_edge_function, mcp__n8n-mcp__tools_documentation, mcp__n8n-mcp__search_nodes, mcp__n8n-mcp__get_template, mcp__n8n-mcp__search_templates, mcp__n8n-mcp__validate_workflow, mcp__n8n-mcp__n8n_create_workflow, mcp__n8n-mcp__n8n_get_workflow, mcp__n8n-mcp__n8n_update_full_workflow, mcp__n8n-mcp__n8n_update_partial_workflow, mcp__n8n-mcp__n8n_delete_workflow, mcp__n8n-mcp__n8n_list_workflows, mcp__n8n-mcp__n8n_validate_workflow, mcp__n8n-mcp__n8n_trigger_webhook_workflow, mcp__n8n-mcp__n8n_health_check, mcp__brightdata-mcp__search_engine, mcp__brightdata-mcp__scrape_as_markdown, mcp__brightdata-mcp__search_engine_batch, mcp__brightdata-mcp__scrape_batch, mcp__supabase__get_publishable_keys, mcp__supabase__get_edge_function, mcp__n8n-mcp__get_node, mcp__n8n-mcp__validate_node, mcp__n8n-mcp__n8n_autofix_workflow, mcp__n8n-mcp__n8n_executions, mcp__n8n-mcp__n8n_workflow_versions, mcp__n8n-mcp__n8n_deploy_template, mcp__ide__getDiagnostics, mcp__ide__executeCode
+description: "Use this agent when you need to test n8n-mcp functionality after implementing fixes or new features. This agent should be invoked proactively after code changes to validate that the MCP tools work correctly with real n8n workflows. The agent tests the actual MCP server tools, not just unit tests. Examples:\\n\\n<example>\\nContext: Developer has just fixed a validation bug in the n8n-mcp server\\nuser: \"I've fixed the validation issue for HTTP Request nodes\"\\nassistant: \"I've completed the fix. Now let me build the project and then test it.\"\\n<builds project>\\nassistant: \"Project built successfully. Please reload the MCP server in Claude Desktop to apply the changes.\"\\nuser: \"Reloaded\"\\nassistant: \"Great! Now let me invoke the n8n-mcp-tester agent to verify the fix works correctly.\"\\n<commentary>\\nSince a fix has been implemented and the MCP server reloaded, use the n8n-mcp-tester agent to validate the fix works in real-world usage.\\n</commentary>\\n</example>\\n\\n<example>\\nContext: Developer has added a new MCP tool for workflow validation\\nuser: \"I've implemented the new workflow validation tool\"\\nassistant: \"Implementation complete. Let me build and prepare for testing.\"\\n<builds project>\\nassistant: \"Build successful. Please reload the MCP server to load the new tool.\"\\nuser: \"Done\"\\nassistant: \"Perfect! I'll now use the n8n-mcp-tester agent to test the new workflow validation tool.\"\\n<commentary>\\nAfter implementing new MCP functionality and reloading the server, invoke n8n-mcp-tester to verify it works correctly.\\n</commentary>\\n</example>"
+tools: "Glob, Grep, Read, WebFetch, WebSearch, ListMcpResourcesTool, ReadMcpResourceTool, Bash, mcp__context7__query-docs, mcp__context7__resolve-library-id, mcp__n8n-mcp-testing__get_node, mcp__n8n-mcp-testing__get_template, mcp__n8n-mcp-testing__n8n_autofix_workflow, mcp__n8n-mcp-testing__n8n_create_workflow, mcp__n8n-mcp-testing__n8n_delete_workflow, mcp__n8n-mcp-testing__n8n_deploy_template, mcp__n8n-mcp-testing__n8n_executions, mcp__n8n-mcp-testing__n8n_generate_workflow, mcp__n8n-mcp-testing__n8n_get_workflow, mcp__n8n-mcp-testing__n8n_health_check, mcp__n8n-mcp-testing__n8n_list_workflows, mcp__n8n-mcp-testing__n8n_manage_datatable, mcp__n8n-mcp-testing__n8n_test_workflow, mcp__n8n-mcp-testing__n8n_update_full_workflow, mcp__n8n-mcp-testing__n8n_update_partial_workflow, mcp__n8n-mcp-testing__n8n_validate_workflow, mcp__n8n-mcp-testing__n8n_workflow_versions, mcp__n8n-mcp-testing__search_nodes, mcp__n8n-mcp-testing__search_templates, mcp__n8n-mcp-testing__tools_documentation, mcp__n8n-mcp-testing__validate_node, mcp__n8n-mcp-testing__validate_workflow, mcp__plugin_postgres-best-practices_supabase__authenticate, mcp__supabase-telemetry__apply_migration, mcp__supabase-telemetry__create_branch, mcp__supabase-telemetry__delete_branch, mcp__supabase-telemetry__deploy_edge_function, mcp__supabase-telemetry__execute_sql, mcp__supabase-telemetry__generate_typescript_types, mcp__supabase-telemetry__get_advisors, mcp__supabase-telemetry__get_edge_function, mcp__supabase-telemetry__get_logs, mcp__supabase-telemetry__get_project_url, mcp__supabase-telemetry__get_publishable_keys, mcp__supabase-telemetry__list_branches, mcp__supabase-telemetry__list_edge_functions, mcp__supabase-telemetry__list_extensions, mcp__supabase-telemetry__list_migrations, mcp__supabase-telemetry__list_tables, mcp__supabase-telemetry__merge_branch, mcp__supabase-telemetry__rebase_branch, mcp__supabase-telemetry__reset_branch, mcp__supabase-telemetry__search_docs"
 model: sonnet
 ---
-
 You are n8n-mcp-tester, a specialized testing agent for the n8n Model Context Protocol (MCP) server. You validate that MCP tools and functionality work correctly in real-world scenarios after fixes or new features are implemented.

 ## Your Core Responsibilities
--- a/.github/workflows/docker-build-fast.yml
+++ b/.github/workflows/docker-build-fast.yml
@@ -36,11 +36,11 @@ jobs:
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -48,7 +48,7 @@ jobs:
          
      - name: Extract metadata
        id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
@@ -56,7 +56,7 @@ jobs:
            type=raw,value=test-amd64
            
      - name: Build and push Docker image (AMD64 only)
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
        with:
          context: .
          platforms: linux/amd64
--- a/.github/workflows/docker-build-n8n.yml
+++ b/.github/workflows/docker-build-n8n.yml
@@ -53,7 +53,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
@@ -62,11 +62,11 @@ jobs:
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -74,7 +74,7 @@ jobs:

      - name: Extract metadata
        id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
@@ -85,7 +85,7 @@ jobs:
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
        with:
          context: .
          file: ./Dockerfile
@@ -109,7 +109,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -167,7 +167,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Create Release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
        with:
          generate_release_notes: true
          body: |
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -78,15 +78,15 @@ jobs:
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        id: buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -94,7 +94,7 @@ jobs:

      - name: Extract metadata
        id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
@@ -107,7 +107,7 @@ jobs:
            type=raw,value=latest,enable={{is_default_branch}}
            
      - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
        with:
          context: .
          no-cache: false
@@ -186,15 +186,15 @@ jobs:
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        id: buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -202,7 +202,7 @@ jobs:
          
      - name: Extract metadata for Railway
        id: meta-railway
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-railway
          tags: |
@@ -215,7 +215,7 @@ jobs:
            type=raw,value=latest,enable={{is_default_branch}}
            
      - name: Build and push Railway Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
        with:
          context: .
          file: ./Dockerfile.railway
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -389,7 +389,7 @@ jobs:
          echo "Version: $(node -e "console.log(require('./package.json').version)")"
      
      - name: Publish to NPM with retry
-        uses: nick-invision/retry@v2
+        uses: nick-invision/retry@v4
        with:
          timeout_minutes: 5
          max_attempts: 3
@@ -448,13 +448,13 @@ jobs:
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4

      - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -462,7 +462,7 @@ jobs:
      
      - name: Extract metadata for standard image
        id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
@@ -472,7 +472,7 @@ jobs:
            type=raw,value=latest,enable={{is_default_branch}}
      
      - name: Build and push standard Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
        with:
          context: .
          platforms: linux/amd64,linux/arm64
@@ -553,7 +553,7 @@ jobs:

      - name: Extract metadata for Railway image
        id: meta-railway
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-railway
          tags: |
@@ -563,7 +563,7 @@ jobs:
            type=raw,value=latest,enable={{is_default_branch}}
      
      - name: Build and push Railway Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
        with:
          context: .
          file: ./Dockerfile.railway
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -116,7 +116,7 @@ jobs:
      # Upload coverage to Codecov
      - name: Upload coverage to Codecov
        if: always()
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: ./coverage/lcov.info
@@ -250,7 +250,7 @@ jobs:
          path: artifacts

      - name: Publish test results
-        uses: dorny/test-reporter@v1
+        uses: dorny/test-reporter@v3
        if: always()
        continue-on-error: true
        with:
--- a/.github/workflows/update-n8n-deps.yml
+++ b/.github/workflows/update-n8n-deps.yml
@@ -129,7 +129,7 @@ jobs:
      
      - name: Create Pull Request
        if: steps.branch.outputs.branch_name != ''
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v8
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ steps.branch.outputs.branch_name }}
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,190 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

 ## [Unreleased]

+## [2.47.1] - 2026-04-04
+
+### Fixed
+
+- **Credential get fallback** — `n8n_manage_credentials({action: "get"})` now falls back to list + filter when `GET /credentials/:id` returns 403 Forbidden or 405 Method Not Allowed, since this endpoint is not in the n8n public API
+- **Credential update accepts `type` field** — `n8n_manage_credentials({action: "update"})` now forwards the optional `type` field to the n8n API, which some n8n versions require in the PATCH payload
+- **Credential response stripping** — `create` and `update` handlers now strip the `data` field from responses (defense-in-depth, matching the `get` handler pattern)
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.47.0] - 2026-04-04
+
+### Added
+
+- **`n8n_audit_instance` tool** — Security audit combining n8n's built-in `POST /audit` API (5 risk categories: credentials, database, nodes, instance, filesystem) with deep workflow scanning. Custom checks include 50+ regex patterns for hardcoded secrets (OpenAI, AWS, Stripe, GitHub, Slack, SendGrid, and more), unauthenticated webhook detection, error handling gap analysis, data retention risk assessment, and PII detection. Returns a compact markdown report grouped by workflow with a Remediation Playbook showing auto-fixable items, items requiring review, and items requiring user action. Inspired by [Audit n8n Workflows Security](https://wotai.co/blog/audit-n8n-workflows-security)
+- **`n8n_manage_credentials` tool** — Full credential CRUD with schema discovery. Actions: list, get, create, update, delete, getSchema. Enables AI agents to create credentials and assign them to workflow nodes as part of security remediation. Credential secret values are never logged or returned in responses (defense-in-depth)
+- **Credential scanner service** (`src/services/credential-scanner.ts`) — 50+ regex patterns ported from the production cache ingestion pipeline, covering AI/ML keys, cloud/DevOps tokens, GitHub PATs, payment keys, email/marketing APIs, and more. Per-node scanning with masked output
+- **Workflow security scanner** (`src/services/workflow-security-scanner.ts`) — 4 configurable checks: hardcoded secrets, unauthenticated webhooks (excludes respondToWebhook), error handling gaps (3+ node threshold), data retention settings
+- **Audit report builder** (`src/services/audit-report-builder.ts`) — Generates compact grouped-by-workflow markdown with tables, built-in audit rendering, and a Remediation Playbook with tool chains for auto-fixing
+
+### Changed
+
+- **CLAUDE.md** — Removed Session Persistence section (no longer needed), added OSS sensitivity notice to prevent secrets from landing in committed files
+- **API client request interceptor** — Now redacts request body for `/credentials` endpoints to prevent secret leakage in debug logs
+- **Credential handler responses** — All credential handlers (get, create, update) strip the `data` field from responses as defense-in-depth against future n8n versions returning decrypted values
+
+### Security
+
+- **Secret masking at scan time** — `maskSecret()` is called immediately during scanning; raw values are never stored in detection results
+- **Credential body redaction** — API client interceptor suppresses body logging for credential endpoints
+- **Cursor dedup guard** — `listAllWorkflows()` tracks seen cursors to prevent infinite pagination loops
+- **PII findings classified as review** — PII detections (email, phone, credit card) are marked as `review_recommended` instead of `auto_fixable`, preventing nonsensical auto-remediation
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.46.1] - 2026-04-03
+
+### Fixed
+
+- **Fix SSE reconnection loop** — SSE clients entering rapid reconnection loops because `POST /mcp` never routed messages to `SSEServerTransport.handlePostMessage()` (Fixes #617). Root cause: SSE sessions were stored in a separate `this.session` property invisible to the StreamableHTTP POST handler
+- **Add authentication to SSE endpoints** — `GET /sse` and `POST /messages` now require Bearer token authentication, closing an auth gap where SSE connections were unauthenticated
+- **Fix rate limiter exhaustion during reconnection** — added `skipSuccessfulRequests: true` to `authLimiter` so legitimate requests don't count toward the rate limit, preventing 429 storms during SSE reconnection loops
+
+### Changed
+
+- **Separate SSE endpoints (SDK pattern)** — SSE transport now uses dedicated `GET /sse` + `POST /messages` endpoints instead of sharing `/mcp` with StreamableHTTP, following the official MCP SDK backward-compatible server pattern
+- **Unified auth into `authenticateRequest()` method** — consolidated duplicated Bearer token validation logic from three endpoints into a single method with consistent JSON-RPC error responses
+- **SSE sessions use shared transports map** — removed the legacy `this.session` singleton; SSE sessions are now stored in the same `this.transports` map as StreamableHTTP sessions with `instanceof` guards for type discrimination
+
+### Deprecated
+
+- **SSE transport (`GET /sse`, `POST /messages`)** — SSE is deprecated in MCP SDK v1.x and removed in v2.x. Clients should migrate to StreamableHTTP (`POST /mcp`). These endpoints will be removed in a future major release
+
+### Security
+
+- **Rate limiting on all authenticated endpoints** — `authLimiter` now applied to `GET /sse` and `POST /messages` in addition to `POST /mcp`
+- **Transport type guards** — `instanceof` checks prevent cross-protocol access (SSE session IDs rejected on StreamableHTTP endpoint and vice versa)
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.46.0] - 2026-04-03
+
+### Added
+
+- **`patchNodeField` operation for `n8n_update_partial_workflow`** — a dedicated, strict find/replace operation for surgical string edits in node fields (Fixes #696). Key features:
+  - **Strict error handling**: errors if find string not found (unlike `__patch_find_replace` which only warns)
+  - **Ambiguity detection**: errors if find matches multiple times unless `replaceAll: true` is set
+  - **`replaceAll` flag**: replace all occurrences of a string in a single patch
+  - **`regex` flag**: use regex patterns for advanced find/replace
+  - Top-level operation type for better discoverability
+
+### Security
+
+- **Prototype pollution protection** — `setNestedProperty` and `getNestedProperty` now reject paths containing `__proto__`, `constructor`, or `prototype`. Protects both `patchNodeField` and `updateNode` operations
+- **ReDoS protection** — regex patterns with nested quantifiers or overlapping alternations are rejected to prevent catastrophic backtracking
+- **Resource limits** — max 50 patches per operation, max 500-char regex patterns, max 512KB field size for regex operations
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.45.1] - 2026-04-02
+
+### Fixed
+
+- **Use stdio-wrapper.js as default bin entry point** — the previous entry point (`index.js`) wrote INFO-level logs to stdout, corrupting JSON-RPC MCP transport for stdio-mode users (Fixes #693, Related: #555, #628)
+- **Preserve node credentials during full workflow updates** — `n8n_update_full_workflow` now carries forward existing credential references from the server when user-provided nodes omit them, preventing "missing credentials" errors on PUT (Fixes #689)
+
+### Changed
+
+- **Updated publish scripts** to use `stdio-wrapper.js` as the npm bin entry point, ensuring the fix persists across releases
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.45.0] - 2026-04-01
+
+### Changed
+
+- **Update n8n dependencies** to latest versions:
+  - `n8n`: 2.13.3 → 2.14.2
+  - `n8n-core`: 2.13.1 → 2.14.1
+  - `n8n-workflow`: 2.13.1 → 2.14.1
+  - `@n8n/n8n-nodes-langchain`: 2.13.1 → 2.14.1
+- **Rebuild FTS5 search index** with all 1396 nodes (812 base + 584 community)
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.44.1] - 2026-04-01
+
+### Security
+
+- **Bump axios** from `^1.11.0` to `^1.14.0` to patch known vulnerability
+- **Bump nodemon** from `^3.1.10` to `^3.1.14` to patch transitive dependency vulnerabilities
+
+### Changed
+
+- **Upgrade GitHub Actions** to latest versions across all CI/CD workflows (docker, release, test, update-n8n-deps) — contributed by @salmanmkc in #663
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.44.0] - 2026-04-01
+
+### Added
+
+- **Multi-step workflow generation flow**: `n8n_generate_workflow` now supports a three-step flow where AI agents act as quality gates — get proposals, review, then deploy. New parameters: `deploy_id` (deploy a specific proposal), `confirm_deploy` (deploy a previously generated preview).
+
+- **`GenerateWorkflowProposal` type**: New exported type for workflow proposals with `id`, `name`, `description`, `flow_summary`, and `credentials_needed` fields.
+
+- **`status` field on `GenerateWorkflowResult`**: Indicates the current phase — `proposals`, `preview`, `deployed`, or `error`.
+
+### Changed
+
+- **Tool description updated**: `n8n_generate_workflow` description now explains the multi-step flow instead of auto-deploy behavior.
+
+- **Tool documentation updated**: Essentials and full docs reflect the three-step flow with examples for each step.
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.43.0] - 2026-03-31
+
+### Added
+
+- **`n8n_generate_workflow` tool**: New MCP tool that enables AI-powered workflow generation from natural language descriptions. Available on the hosted service with handler delegation pattern for extensibility.
+
+- **Handler injection API**: `EngineOptions.generateWorkflowHandler` allows hosting environments to provide custom workflow generation backends. Handler receives helpers for `createWorkflow`, `validateWorkflow`, `autofixWorkflow`, and `getWorkflow`.
+
+- **Tool documentation**: Full essentials and deep documentation for `n8n_generate_workflow` via `tools_documentation`.
+
+### Fixed
+
+- **Tools documentation count**: Corrected n8n API tools count and added missing `n8n_manage_datatable` entry to tools overview.
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.42.3] - 2026-03-30
+
+### Improved
+
+- **Patterns response trimmed for token efficiency** (Issue #683): Task-specific patterns response reduced ~64% — dropped redundant `displayName`, shortened field names (`frequency` → `freq`), capped chains at 5, and shortened chain node types to last segment.
+
+- **`patterns` mode added to `tools_documentation`**: Was missing from both essentials and full docs. AI agents can now discover patterns mode through the standard documentation flow.
+
+- **`includeOperations` omission behavior documented**: Added note that trigger nodes and freeform nodes (Code, HTTP Request) omit the `operationsTree` field.
+
+- **`search_nodes` examples trimmed**: Reduced from 11 to 6 examples in full docs, removing near-duplicates.
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.42.2] - 2026-03-30
+
+### Fixed
+
+- **`workflow-patterns.json` missing from npm package** (Issue #681): Added `data/workflow-patterns.json` to the `files` array in `package.json` so the patterns file is included in the published npm package and works out of the box without manual generation.
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
+## [2.42.1] - 2026-03-30
+
+### Fixed
+
+- **Community nodes missing from database after rebuild**: Restored 584 community nodes from the n8n 2.13.3 snapshot and re-extracted operations with resource grouping from `properties_schema`. 366 community nodes now have proper resource-grouped operations.
+
+- **Community node service missing resource extraction**: `extractOperations()` in `community-node-service.ts` was not extracting `resource` from `displayOptions.show.resource`, same issue that was fixed in `property-extractor.ts` in v2.42.0.
+
+Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
+
 ## [2.42.0] - 2026-03-30

 ### Added
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -2,6 +2,8 @@

 This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

+> **Note:** This file is committed to a public OSS repository. Never add sensitive information (API keys, internal URLs, credentials, private infrastructure details) here.
+
 ## Project Overview

 n8n-mcp is a comprehensive documentation and knowledge server that provides AI assistants with complete access to n8n node information through the Model Context Protocol (MCP). It serves as a bridge between n8n's workflow automation platform and AI models, enabling them to understand and work with n8n nodes effectively.
@@ -195,35 +197,6 @@ The MCP server exposes tools in several categories:
 ### Development Best Practices
 - Run typecheck and lint after every code change

-### Session Persistence Feature (v2.24.1)
-
-**Location:**
- Types: `src/types/session-state.ts`
- Implementation: `src/http-server-single-session.ts` (lines 698-702, 1444-1584)
- Wrapper: `src/mcp-engine.ts` (lines 123-169)
- Tests: `tests/unit/http-server/session-persistence.test.ts`, `tests/unit/mcp-engine/session-persistence.test.ts`
-
-**Key Features:**
- **Export/Restore API**: `exportSessionState()` and `restoreSessionState()` methods
- **Multi-tenant support**: Enables zero-downtime deployments for SaaS platforms
- **Security-first**: API keys exported as plaintext - downstream MUST encrypt
- **Dormant sessions**: Restored sessions recreate transports on first request
- **Automatic expiration**: Respects `sessionTimeout` setting (default 30 min)
- **MAX_SESSIONS limit**: Caps at 100 concurrent sessions (configurable via N8N_MCP_MAX_SESSIONS env var)
-
-**Important Implementation Notes:**
- Only exports sessions with valid n8nApiUrl and n8nApiKey in context
- Skips expired sessions during both export and restore
- Uses `validateInstanceContext()` for data integrity checks
- Handles null/invalid session gracefully with warnings
- Session metadata (timestamps) and context (credentials) are persisted
- Transport and server objects are NOT persisted (recreated on-demand)
-
-**Testing:**
- 22 unit tests covering export, restore, edge cases, and round-trip cycles
- Tests use current timestamps to avoid expiration issues
- Integration with multi-tenant backends documented in README.md
-
 # important-instruction-reminders
 Do what has been asked; nothing more, nothing less.
 NEVER create files unless they're absolutely necessary for achieving your goal.
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![npm version](https://img.shields.io/npm/v/n8n-mcp.svg)](https://www.npmjs.com/package/n8n-mcp)
 [![codecov](https://codecov.io/gh/czlonkowski/n8n-mcp/graph/badge.svg?token=YOUR_TOKEN)](https://codecov.io/gh/czlonkowski/n8n-mcp)
 [![Tests](https://img.shields.io/badge/tests-3336%20passing-brightgreen.svg)](https://github.com/czlonkowski/n8n-mcp/actions)
-[![n8n version](https://img.shields.io/badge/n8n-2.13.3-orange.svg)](https://github.com/n8n-io/n8n)
+[![n8n version](https://img.shields.io/badge/n8n-2.14.2-orange.svg)](https://github.com/n8n-io/n8n)
 [![Docker](https://img.shields.io/badge/docker-ghcr.io%2Fczlonkowski%2Fn8n--mcp-green.svg)](https://github.com/czlonkowski/n8n-mcp/pkgs/container/n8n-mcp)
 [![Deploy on Railway](https://railway.com/button.svg)](https://railway.com/deploy/n8n-mcp?referralCode=n8n-mcp)

@@ -987,6 +987,12 @@ These tools require `N8N_API_URL` and `N8N_API_KEY` in your configuration.
  - `action: 'get'` - Get execution details by ID
  - `action: 'delete'` - Delete execution records

+#### Credential Management
+- **`n8n_manage_credentials`** - Manage n8n credentials (list, get, create, update, delete, getSchema)
+
+#### Security & Audit
+- **`n8n_audit_instance`** - Security audit combining n8n's built-in audit API with deep workflow scanning (50+ secret patterns, webhook auth, error handling, data retention). Returns actionable remediation playbook.
+
 #### System Tools
 - **`n8n_health_check`** - Check n8n API connectivity and features

--- a/data/nodes.db
+++ b/data/nodes.db
--- a/dist/http-server-single-session.d.ts
+++ b/dist/http-server-single-session.d.ts
@@ -2,19 +2,23 @@
 import express from 'express';
 import { InstanceContext } from './types/instance-context';
 import { SessionState } from './types/session-state';
+import { GenerateWorkflowHandler } from './types/generate-workflow';
+export interface SingleSessionHTTPServerOptions {
+    generateWorkflowHandler?: GenerateWorkflowHandler;
+}
 export declare class SingleSessionHTTPServer {
    private transports;
    private servers;
    private sessionMetadata;
    private sessionContexts;
    private contextSwitchLocks;
-    private session;
    private consoleManager;
    private expressServer;
    private sessionTimeout;
    private authToken;
    private cleanupTimer;
-    constructor();
+    private generateWorkflowHandler?;
+    constructor(options?: SingleSessionHTTPServerOptions);
    private startSessionCleanup;
    private cleanupExpiredSessions;
    private removeSession;
@@ -24,14 +28,14 @@ export declare class SingleSessionHTTPServer {
    private isJsonRpcNotification;
    private sanitizeErrorForClient;
    private updateSessionAccess;
+    private authenticateRequest;
    private switchSessionContext;
    private performContextSwitch;
    private getSessionMetrics;
    private loadAuthToken;
    private validateEnvironment;
    handleRequest(req: express.Request, res: express.Response, instanceContext?: InstanceContext): Promise<void>;
-    private resetSessionSSE;
-    private isExpired;
+    private createSSESession;
    private isSessionExpired;
    start(): Promise<void>;
    shutdown(): Promise<void>;
--- a/dist/http-server-single-session.d.ts.map
+++ b/dist/http-server-single-session.d.ts.map
@@ -1 +1 @@
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+{"version":3,"file":"http-server-single-session.d.ts","sourceRoot":"","sources":["../src/http-server-single-session.ts"],"names":[],"mappings":";AAMA,OAAO,OAAO,MAAM,SAAS,CAAC;AAoB9B,OAAO,EAAE,eAAe,EAA2B,MAAM,0BAA0B,CAAC;AACpF,OAAO,EAAE,YAAY,EAAE,MAAM,uBAAuB,CAAC;AACrD,OAAO,EAAE,uBAAuB,EAAE,MAAM,2BAA2B,CAAC;AA+DpE,MAAM,WAAW,8BAA8B;IAC7C,uBAAuB,CAAC,EAAE,uBAAuB,CAAC;CACnD;AAED,qBAAa,uBAAuB;IAGlC,OAAO,CAAC,UAAU,CAAmF;IACrG,OAAO,CAAC,OAAO,CAA0D;IACzE,OAAO,CAAC,eAAe,CAAsE;IAC7F,OAAO,CAAC,eAAe,CAA4D;IACnF,OAAO,CAAC,kBAAkB,CAAyC;IACnE,OAAO,CAAC,cAAc,CAAwB;IAC9C,OAAO,CAAC,aAAa,CAAM;IAG3B,OAAO,CAAC,cAAc,CAER;IACd,OAAO,CAAC,SAAS,CAAuB;IACxC,OAAO,CAAC,YAAY,CAA+B;IACnD,OAAO,CAAC,uBAAuB,CAAC,CAA0B;gBAE9C,OAAO,CAAC,EAAE,8BAA8B;IAapD,OAAO,CAAC,mBAAmB;IAmB3B,OAAO,CAAC,sBAAsB;YAqChB,aAAa;IAuC3B,OAAO,CAAC,qBAAqB;IAO7B,OAAO,CAAC,gBAAgB;IAkBxB,OAAO,CAAC,gBAAgB;IAYxB,OAAO,CAAC,qBAAqB;IAa7B,OAAO,CAAC,sBAAsB;IAkC9B,OAAO,CAAC,mBAAmB;IAW3B,OAAO,CAAC,mBAAmB;YAyCb,oBAAoB;YAwBpB,oBAAoB;IAwBlC,OAAO,CAAC,iBAAiB;IAsBzB,OAAO,CAAC,aAAa;IA2BrB,OAAO,CAAC,mBAAmB;IAoDrB,aAAa,CACjB,GAAG,EAAE,OAAO,CAAC,OAAO,EACpB,GAAG,EAAE,OAAO,CAAC,QAAQ,EACrB,eAAe,CAAC,EAAE,eAAe,GAChC,OAAO,CAAC,IAAI,CAAC;YAsSF,gBAAgB;IA+C9B,OAAO,CAAC,gBAAgB;IASlB,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC;IAynBtB,QAAQ,IAAI,OAAO,CAAC,IAAI,CAAC;IAgD/B,cAAc,IAAI;QAChB,MAAM,EAAE,OAAO,CAAC;QAChB,SAAS,CAAC,EAAE,MAAM,CAAC;QACnB,GAAG,CAAC,EAAE,MAAM,CAAC;QACb,QAAQ,CAAC,EAAE;YACT,KAAK,EAAE,MAAM,CAAC;YACd,MAAM,EAAE,MAAM,CAAC;YACf,OAAO,EAAE,MAAM,CAAC;YAChB,GAAG,EAAE,MAAM,CAAC;YACZ,UAAU,EAAE,MAAM,EAAE,CAAC;SACtB,CAAC;KACH;IAmCM,kBAAkB,IAAI,YAAY,EAAE;IAoEpC,mBAAmB,CAAC,QAAQ,EAAE,YAAY,EAAE,GAAG,MAAM;CAsG7D"}
--- a/dist/http-server-single-session.js
+++ b/dist/http-server-single-session.js
@@ -45,17 +45,17 @@ function logSecurityEvent(event, details) {
    logger_1.logger.info(`[SECURITY] ${event}`, logEntry);
 }
 class SingleSessionHTTPServer {
-    constructor() {
+    constructor(options) {
        this.transports = {};
        this.servers = {};
        this.sessionMetadata = {};
        this.sessionContexts = {};
        this.contextSwitchLocks = new Map();
-        this.session = null;
        this.consoleManager = new console_manager_1.ConsoleManager();
-        this.sessionTimeout = parseInt(process.env.SESSION_TIMEOUT_MINUTES || '5', 10) * 60 * 1000;
+        this.sessionTimeout = parseInt(process.env.SESSION_TIMEOUT_MINUTES || '30', 10) * 60 * 1000;
        this.authToken = null;
        this.cleanupTimer = null;
+        this.generateWorkflowHandler = options?.generateWorkflowHandler;
        this.validateEnvironment();
        this.startSessionCleanup();
    }
@@ -169,6 +169,39 @@ class SingleSessionHTTPServer {
            this.sessionMetadata[sessionId].lastAccess = new Date();
        }
    }
+    authenticateRequest(req, res) {
+        const authHeader = req.headers.authorization;
+        if (!authHeader || !authHeader.startsWith('Bearer ')) {
+            const reason = !authHeader ? 'no_auth_header' : 'invalid_auth_format';
+            logger_1.logger.warn('Authentication failed', {
+                ip: req.ip,
+                userAgent: req.get('user-agent'),
+                reason
+            });
+            res.status(401).json({
+                jsonrpc: '2.0',
+                error: { code: -32001, message: 'Unauthorized' },
+                id: null
+            });
+            return false;
+        }
+        const token = authHeader.slice(7).trim();
+        const isValid = this.authToken && auth_1.AuthManager.timingSafeCompare(token, this.authToken);
+        if (!isValid) {
+            logger_1.logger.warn('Authentication failed: Invalid token', {
+                ip: req.ip,
+                userAgent: req.get('user-agent'),
+                reason: 'invalid_token'
+            });
+            res.status(401).json({
+                jsonrpc: '2.0',
+                error: { code: -32001, message: 'Unauthorized' },
+                id: null
+            });
+            return false;
+        }
+        return true;
+    }
    async switchSessionContext(sessionId, newContext) {
        const existingLock = this.contextSwitchLocks.get(sessionId);
        if (existingLock) {
@@ -340,7 +373,9 @@ class SingleSessionHTTPServer {
                    else {
                        sessionIdToUse = sessionId || (0, uuid_1.v4)();
                    }
-                    const server = new server_1.N8NDocumentationMCPServer(instanceContext);
+                    const server = new server_1.N8NDocumentationMCPServer(instanceContext, undefined, {
+                        generateWorkflowHandler: this.generateWorkflowHandler,
+                    });
                    transport = new streamableHttp_js_1.StreamableHTTPServerTransport({
                        sessionIdGenerator: () => sessionIdToUse,
                        onsessioninitialized: (initializedSessionId) => {
@@ -389,6 +424,18 @@ class SingleSessionHTTPServer {
                        return;
                    }
                    logger_1.logger.info('handleRequest: Reusing existing transport for session', { sessionId });
+                    if (this.transports[sessionId] instanceof sse_js_1.SSEServerTransport) {
+                        logger_1.logger.warn('handleRequest: SSE session used on StreamableHTTP endpoint', { sessionId });
+                        res.status(400).json({
+                            jsonrpc: '2.0',
+                            error: {
+                                code: -32000,
+                                message: 'Session uses SSE transport. Send messages to POST /messages?sessionId=<id> instead.'
+                            },
+                            id: req.body?.id || null
+                        });
+                        return;
+                    }
                    transport = this.transports[sessionId];
                    if (!transport) {
                        if (this.isJsonRpcNotification(req.body)) {
@@ -483,52 +530,33 @@ class SingleSessionHTTPServer {
            }
        });
    }
-    async resetSessionSSE(res) {
-        if (this.session) {
-            const sessionId = this.session.sessionId;
-            logger_1.logger.info('Closing previous session for SSE', { sessionId });
-            if (this.session.server && typeof this.session.server.close === 'function') {
-                try {
-                    await this.session.server.close();
-                }
-                catch (serverError) {
-                    logger_1.logger.warn('Error closing server for SSE session', { sessionId, error: serverError });
-                }
-            }
-            try {
-                await this.session.transport.close();
-            }
-            catch (transportError) {
-                logger_1.logger.warn('Error closing transport for SSE session', { sessionId, error: transportError });
-            }
+    async createSSESession(res) {
+        if (!this.canCreateSession()) {
+            logger_1.logger.warn('SSE session creation rejected: session limit reached', {
+                currentSessions: this.getActiveSessionCount(),
+                maxSessions: MAX_SESSIONS
+            });
+            throw new Error(`Session limit reached (${MAX_SESSIONS})`);
        }
-        try {
-            logger_1.logger.info('Creating new N8NDocumentationMCPServer for SSE...');
-            const server = new server_1.N8NDocumentationMCPServer();
-            const sessionId = (0, uuid_1.v4)();
-            logger_1.logger.info('Creating SSEServerTransport...');
-            const transport = new sse_js_1.SSEServerTransport('/mcp', res);
-            logger_1.logger.info('Connecting server to SSE transport...');
-            await server.connect(transport);
-            this.session = {
-                server,
-                transport,
-                lastAccess: new Date(),
-                sessionId,
-                initialized: false,
-                isSSE: true
-            };
-            logger_1.logger.info('Created new SSE session successfully', { sessionId: this.session.sessionId });
-        }
-        catch (error) {
-            logger_1.logger.error('Failed to create SSE session:', error);
-            throw error;
-        }
-    }
-    isExpired() {
-        if (!this.session)
-            return true;
-        return Date.now() - this.session.lastAccess.getTime() > this.sessionTimeout;
+        const server = new server_1.N8NDocumentationMCPServer(undefined, undefined, {
+            generateWorkflowHandler: this.generateWorkflowHandler,
+        });
+        const transport = new sse_js_1.SSEServerTransport('/messages', res);
+        const sessionId = transport.sessionId;
+        this.transports[sessionId] = transport;
+        this.servers[sessionId] = server;
+        this.sessionMetadata[sessionId] = {
+            lastAccess: new Date(),
+            createdAt: new Date()
+        };
+        res.on('close', () => {
+            logger_1.logger.info('SSE connection closed by client', { sessionId });
+            this.removeSession(sessionId, 'sse_disconnect').catch(err => {
+                logger_1.logger.warn('Error cleaning up SSE session on disconnect', { sessionId, error: err });
+            });
+        });
+        await server.connect(transport);
+        logger_1.logger.info('SSE session created', { sessionId, transport: 'SSEServerTransport' });
    }
    isSessionExpired(sessionId) {
        const metadata = this.sessionMetadata[sessionId];
@@ -596,7 +624,7 @@ class SingleSessionHTTPServer {
                authentication: {
                    type: 'Bearer Token',
                    header: 'Authorization: Bearer <token>',
-                    required_for: ['POST /mcp']
+                    required_for: ['POST /mcp', 'GET /sse', 'POST /messages']
                },
                documentation: 'https://github.com/czlonkowski/n8n-mcp'
            });
@@ -628,7 +656,7 @@ class SingleSessionHTTPServer {
                },
                activeTransports: activeTransports.length,
                activeServers: activeServers.length,
-                legacySessionActive: !!this.session,
+                legacySessionActive: false,
                memory: {
                    used: Math.round(process.memoryUsage().heapUsed / 1024 / 1024),
                    total: Math.round(process.memoryUsage().heapTotal / 1024 / 1024),
@@ -668,9 +696,10 @@ class SingleSessionHTTPServer {
        });
        app.get('/mcp', async (req, res) => {
            const sessionId = req.headers['mcp-session-id'];
-            if (sessionId && this.transports[sessionId]) {
+            const existingTransport = sessionId ? this.transports[sessionId] : undefined;
+            if (existingTransport && existingTransport instanceof streamableHttp_js_1.StreamableHTTPServerTransport) {
                try {
-                    await this.transports[sessionId].handleRequest(req, res, undefined);
+                    await existingTransport.handleRequest(req, res, undefined);
                    return;
                }
                catch (error) {
@@ -679,22 +708,12 @@ class SingleSessionHTTPServer {
            }
            const accept = req.headers.accept;
            if (accept && accept.includes('text/event-stream')) {
-                logger_1.logger.info('SSE stream request received - establishing SSE connection');
-                try {
-                    await this.resetSessionSSE(res);
-                    logger_1.logger.info('SSE connection established successfully');
-                }
-                catch (error) {
-                    logger_1.logger.error('Failed to establish SSE connection:', error);
-                    res.status(500).json({
-                        jsonrpc: '2.0',
-                        error: {
-                            code: -32603,
-                            message: 'Failed to establish SSE connection'
-                        },
-                        id: null
-                    });
-                }
+                logger_1.logger.info('SSE request on /mcp redirected to /sse', { ip: req.ip });
+                res.status(400).json({
+                    error: 'SSE transport uses /sse endpoint',
+                    message: 'Connect via GET /sse for SSE streaming. POST messages to /messages?sessionId=<id>.',
+                    documentation: 'https://github.com/czlonkowski/n8n-mcp'
+                });
                return;
            }
            if (process.env.N8N_MODE === 'true') {
@@ -719,9 +738,23 @@ class SingleSessionHTTPServer {
                    mcp: {
                        method: 'POST',
                        path: '/mcp',
-                        description: 'Main MCP JSON-RPC endpoint',
+                        description: 'Main MCP JSON-RPC endpoint (StreamableHTTP)',
                        authentication: 'Bearer token required'
                    },
+                    sse: {
+                        method: 'GET',
+                        path: '/sse',
+                        description: 'DEPRECATED: SSE stream for legacy clients. Migrate to StreamableHTTP (POST /mcp).',
+                        authentication: 'Bearer token required',
+                        deprecated: true
+                    },
+                    messages: {
+                        method: 'POST',
+                        path: '/messages',
+                        description: 'DEPRECATED: Message delivery for SSE sessions. Migrate to StreamableHTTP (POST /mcp).',
+                        authentication: 'Bearer token required',
+                        deprecated: true
+                    },
                    health: {
                        method: 'GET',
                        path: '/health',
@@ -738,6 +771,92 @@ class SingleSessionHTTPServer {
                documentation: 'https://github.com/czlonkowski/n8n-mcp'
            });
        });
+        const authLimiter = (0, express_rate_limit_1.default)({
+            windowMs: parseInt(process.env.AUTH_RATE_LIMIT_WINDOW || '900000'),
+            max: parseInt(process.env.AUTH_RATE_LIMIT_MAX || '20'),
+            message: {
+                jsonrpc: '2.0',
+                error: {
+                    code: -32000,
+                    message: 'Too many authentication attempts. Please try again later.'
+                },
+                id: null
+            },
+            standardHeaders: true,
+            legacyHeaders: false,
+            skipSuccessfulRequests: true,
+            handler: (req, res) => {
+                logger_1.logger.warn('Rate limit exceeded', {
+                    ip: req.ip,
+                    userAgent: req.get('user-agent'),
+                    event: 'rate_limit'
+                });
+                res.status(429).json({
+                    jsonrpc: '2.0',
+                    error: {
+                        code: -32000,
+                        message: 'Too many authentication attempts'
+                    },
+                    id: null
+                });
+            }
+        });
+        app.get('/sse', authLimiter, async (req, res) => {
+            if (!this.authenticateRequest(req, res))
+                return;
+            logger_1.logger.warn('SSE transport is deprecated and will be removed in a future release. Migrate to StreamableHTTP (POST /mcp).', {
+                ip: req.ip,
+                userAgent: req.get('user-agent')
+            });
+            try {
+                await this.createSSESession(res);
+            }
+            catch (error) {
+                logger_1.logger.error('Failed to create SSE session:', error);
+                if (!res.headersSent) {
+                    res.status(error instanceof Error && error.message.includes('Session limit')
+                        ? 429 : 500).json({
+                        error: error instanceof Error ? error.message : 'Failed to establish SSE connection'
+                    });
+                }
+            }
+        });
+        app.post('/messages', authLimiter, jsonParser, async (req, res) => {
+            if (!this.authenticateRequest(req, res))
+                return;
+            const sessionId = req.query.sessionId;
+            if (!sessionId) {
+                res.status(400).json({
+                    jsonrpc: '2.0',
+                    error: { code: -32602, message: 'Missing sessionId query parameter' },
+                    id: req.body?.id || null
+                });
+                return;
+            }
+            const transport = this.transports[sessionId];
+            if (!transport || !(transport instanceof sse_js_1.SSEServerTransport)) {
+                res.status(400).json({
+                    jsonrpc: '2.0',
+                    error: { code: -32000, message: 'SSE session not found or expired' },
+                    id: req.body?.id || null
+                });
+                return;
+            }
+            this.updateSessionAccess(sessionId);
+            try {
+                await transport.handlePostMessage(req, res, req.body);
+            }
+            catch (error) {
+                logger_1.logger.error('SSE message handling error', { sessionId, error });
+                if (!res.headersSent) {
+                    res.status(500).json({
+                        jsonrpc: '2.0',
+                        error: { code: -32603, message: 'Internal error processing SSE message' },
+                        id: req.body?.id || null
+                    });
+                }
+            }
+        });
        app.delete('/mcp', async (req, res) => {
            const mcpSessionId = req.headers['mcp-session-id'];
            if (!mcpSessionId) {
@@ -791,35 +910,6 @@ class SingleSessionHTTPServer {
                });
            }
        });
-        const authLimiter = (0, express_rate_limit_1.default)({
-            windowMs: parseInt(process.env.AUTH_RATE_LIMIT_WINDOW || '900000'),
-            max: parseInt(process.env.AUTH_RATE_LIMIT_MAX || '20'),
-            message: {
-                jsonrpc: '2.0',
-                error: {
-                    code: -32000,
-                    message: 'Too many authentication attempts. Please try again later.'
-                },
-                id: null
-            },
-            standardHeaders: true,
-            legacyHeaders: false,
-            handler: (req, res) => {
-                logger_1.logger.warn('Rate limit exceeded', {
-                    ip: req.ip,
-                    userAgent: req.get('user-agent'),
-                    event: 'rate_limit'
-                });
-                res.status(429).json({
-                    jsonrpc: '2.0',
-                    error: {
-                        code: -32000,
-                        message: 'Too many authentication attempts'
-                    },
-                    id: null
-                });
-            }
-        });
        app.post('/mcp', authLimiter, jsonParser, async (req, res) => {
            logger_1.logger.info('POST /mcp request received - DETAILED DEBUG', {
                headers: req.headers,
@@ -859,63 +949,10 @@ class SingleSessionHTTPServer {
                    req.removeListener('close', closeHandler);
                });
            }
-            const authHeader = req.headers.authorization;
-            if (!authHeader) {
-                logger_1.logger.warn('Authentication failed: Missing Authorization header', {
-                    ip: req.ip,
-                    userAgent: req.get('user-agent'),
-                    reason: 'no_auth_header'
-                });
-                res.status(401).json({
-                    jsonrpc: '2.0',
-                    error: {
-                        code: -32001,
-                        message: 'Unauthorized'
-                    },
-                    id: null
-                });
+            if (!this.authenticateRequest(req, res))
                return;
-            }
-            if (!authHeader.startsWith('Bearer ')) {
-                logger_1.logger.warn('Authentication failed: Invalid Authorization header format (expected Bearer token)', {
-                    ip: req.ip,
-                    userAgent: req.get('user-agent'),
-                    reason: 'invalid_auth_format',
-                    headerPrefix: authHeader.substring(0, Math.min(authHeader.length, 10)) + '...'
-                });
-                res.status(401).json({
-                    jsonrpc: '2.0',
-                    error: {
-                        code: -32001,
-                        message: 'Unauthorized'
-                    },
-                    id: null
-                });
-                return;
-            }
-            const token = authHeader.slice(7).trim();
-            const isValidToken = this.authToken &&
-                auth_1.AuthManager.timingSafeCompare(token, this.authToken);
-            if (!isValidToken) {
-                logger_1.logger.warn('Authentication failed: Invalid token', {
-                    ip: req.ip,
-                    userAgent: req.get('user-agent'),
-                    reason: 'invalid_token'
-                });
-                res.status(401).json({
-                    jsonrpc: '2.0',
-                    error: {
-                        code: -32001,
-                        message: 'Unauthorized'
-                    },
-                    id: null
-                });
-                return;
-            }
            logger_1.logger.info('Authentication successful - proceeding to handleRequest', {
-                hasSession: !!this.session,
-                sessionType: this.session?.isSSE ? 'SSE' : 'StreamableHTTP',
-                sessionInitialized: this.session?.initialized
+                activeSessions: this.getActiveSessionCount()
            });
            const instanceContext = (() => {
                const headers = extractMultiTenantHeaders(req);
@@ -1003,6 +1040,7 @@ class SingleSessionHTTPServer {
            console.log(`Session Limits: ${MAX_SESSIONS} max sessions, ${this.sessionTimeout / 1000 / 60}min timeout`);
            console.log(`Health check: ${endpoints.health}`);
            console.log(`MCP endpoint: ${endpoints.mcp}`);
+            console.log(`SSE endpoint: ${baseUrl}/sse (legacy clients)`);
            if (isProduction) {
                console.log('🔒 Running in PRODUCTION mode - enhanced security enabled');
            }
@@ -1056,16 +1094,6 @@ class SingleSessionHTTPServer {
                logger_1.logger.warn(`Error closing transport for session ${sessionId}:`, error);
            }
        }
-        if (this.session) {
-            try {
-                await this.session.transport.close();
-                logger_1.logger.info('Legacy session closed');
-            }
-            catch (error) {
-                logger_1.logger.warn('Error closing legacy session:', error);
-            }
-            this.session = null;
-        }
        if (this.expressServer) {
            await new Promise((resolve) => {
                this.expressServer.close(() => {
@@ -1085,22 +1113,8 @@ class SingleSessionHTTPServer {
    }
    getSessionInfo() {
        const metrics = this.getSessionMetrics();
-        if (!this.session) {
-            return {
-                active: false,
-                sessions: {
-                    total: metrics.totalSessions,
-                    active: metrics.activeSessions,
-                    expired: metrics.expiredSessions,
-                    max: MAX_SESSIONS,
-                    sessionIds: Object.keys(this.transports)
-                }
-            };
-        }
        return {
-            active: true,
-            sessionId: this.session.sessionId,
-            age: Date.now() - this.session.lastAccess.getTime(),
+            active: metrics.activeSessions > 0,
            sessions: {
                total: metrics.totalSessions,
                active: metrics.activeSessions,
--- a/dist/http-server-single-session.js.map
+++ b/dist/http-server-single-session.js.map
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -5,6 +5,7 @@ export { N8NDocumentationMCPServer } from './mcp/server';
 export type { InstanceContext } from './types/instance-context';
 export { validateInstanceContext, isInstanceContext } from './types/instance-context';
 export type { SessionState } from './types/session-state';
+export type { GenerateWorkflowArgs, GenerateWorkflowResult, GenerateWorkflowProposal, GenerateWorkflowHandler, GenerateWorkflowHelpers } from './types/generate-workflow';
 export type { UIAppConfig, UIMetadata } from './mcp/ui/types';
 export { UI_APP_CONFIGS } from './mcp/ui/app-configs';
 export type { Tool, CallToolResult, ListToolsResult } from '@modelcontextprotocol/sdk/types.js';
--- a/dist/index.d.ts.map
+++ b/dist/index.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAOA,OAAO,EAAE,YAAY,EAAE,YAAY,EAAE,aAAa,EAAE,MAAM,cAAc,CAAC;AACzE,OAAO,EAAE,uBAAuB,EAAE,MAAM,8BAA8B,CAAC;AACvE,OAAO,EAAE,cAAc,EAAE,MAAM,yBAAyB,CAAC;AACzD,OAAO,EAAE,yBAAyB,EAAE,MAAM,cAAc,CAAC;AAGzD,YAAY,EACV,eAAe,EAChB,MAAM,0BAA0B,CAAC;AAClC,OAAO,EACL,uBAAuB,EACvB,iBAAiB,EAClB,MAAM,0BAA0B,CAAC;AAClC,YAAY,EACV,YAAY,EACb,MAAM,uBAAuB,CAAC;AAG/B,YAAY,EAAE,WAAW,EAAE,UAAU,EAAE,MAAM,gBAAgB,CAAC;AAC9D,OAAO,EAAE,cAAc,EAAE,MAAM,sBAAsB,CAAC;AAGtD,YAAY,EACV,IAAI,EACJ,cAAc,EACd,eAAe,EAChB,MAAM,oCAAoC,CAAC;AAG5C,OAAO,YAAY,MAAM,cAAc,CAAC;AACxC,eAAe,YAAY,CAAC"}
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAOA,OAAO,EAAE,YAAY,EAAE,YAAY,EAAE,aAAa,EAAE,MAAM,cAAc,CAAC;AACzE,OAAO,EAAE,uBAAuB,EAAE,MAAM,8BAA8B,CAAC;AACvE,OAAO,EAAE,cAAc,EAAE,MAAM,yBAAyB,CAAC;AACzD,OAAO,EAAE,yBAAyB,EAAE,MAAM,cAAc,CAAC;AAGzD,YAAY,EACV,eAAe,EAChB,MAAM,0BAA0B,CAAC;AAClC,OAAO,EACL,uBAAuB,EACvB,iBAAiB,EAClB,MAAM,0BAA0B,CAAC;AAClC,YAAY,EACV,YAAY,EACb,MAAM,uBAAuB,CAAC;AAC/B,YAAY,EACV,oBAAoB,EACpB,sBAAsB,EACtB,wBAAwB,EACxB,uBAAuB,EACvB,uBAAuB,EACxB,MAAM,2BAA2B,CAAC;AAGnC,YAAY,EAAE,WAAW,EAAE,UAAU,EAAE,MAAM,gBAAgB,CAAC;AAC9D,OAAO,EAAE,cAAc,EAAE,MAAM,sBAAsB,CAAC;AAGtD,YAAY,EACV,IAAI,EACJ,cAAc,EACd,eAAe,EAChB,MAAM,oCAAoC,CAAC;AAG5C,OAAO,YAAY,MAAM,cAAc,CAAC;AACxC,eAAe,YAAY,CAAC"}
--- a/dist/index.js.map
+++ b/dist/index.js.map
@@ -1 +1 @@
-{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;;AAOA,2CAAyE;AAAhE,0GAAA,YAAY,OAAA;AACrB,2EAAuE;AAA9D,qIAAA,uBAAuB,OAAA;AAChC,2DAAyD;AAAhD,iHAAA,cAAc,OAAA;AACvB,uCAAyD;AAAhD,mHAAA,yBAAyB,OAAA;AAMlC,6DAGkC;AAFhC,2HAAA,uBAAuB,OAAA;AACvB,qHAAA,iBAAiB,OAAA;AAQnB,oDAAsD;AAA7C,6GAAA,cAAc,OAAA;AAUvB,8DAAwC;AACxC,kBAAe,oBAAY,CAAC"}
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;;AAOA,2CAAyE;AAAhE,0GAAA,YAAY,OAAA;AACrB,2EAAuE;AAA9D,qIAAA,uBAAuB,OAAA;AAChC,2DAAyD;AAAhD,iHAAA,cAAc,OAAA;AACvB,uCAAyD;AAAhD,mHAAA,yBAAyB,OAAA;AAMlC,6DAGkC;AAFhC,2HAAA,uBAAuB,OAAA;AACvB,qHAAA,iBAAiB,OAAA;AAenB,oDAAsD;AAA7C,6GAAA,cAAc,OAAA;AAUvB,8DAAwC;AACxC,kBAAe,oBAAY,CAAC"}
--- a/dist/mcp-engine.d.ts
+++ b/dist/mcp-engine.d.ts
@@ -1,6 +1,7 @@
 import { Request, Response } from 'express';
 import { InstanceContext } from './types/instance-context';
 import { SessionState } from './types/session-state';
+import { GenerateWorkflowHandler } from './types/generate-workflow';
 export interface EngineHealth {
    status: 'healthy' | 'unhealthy';
    uptime: number;
@@ -15,6 +16,7 @@ export interface EngineHealth {
 export interface EngineOptions {
    sessionTimeout?: number;
    logLevel?: 'error' | 'warn' | 'info' | 'debug';
+    generateWorkflowHandler?: GenerateWorkflowHandler;
 }
 export declare class N8NMCPEngine {
    private server;
--- a/dist/mcp-engine.d.ts.map
+++ b/dist/mcp-engine.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"mcp-engine.d.ts","sourceRoot":"","sources":["../src/mcp-engine.ts"],"names":[],"mappings":"AAOA,OAAO,EAAE,OAAO,EAAE,QAAQ,EAAE,MAAM,SAAS,CAAC;AAG5C,OAAO,EAAE,eAAe,EAAE,MAAM,0BAA0B,CAAC;AAC3D,OAAO,EAAE,YAAY,EAAE,MAAM,uBAAuB,CAAC;AAErD,MAAM,WAAW,YAAY;IAC3B,MAAM,EAAE,SAAS,GAAG,WAAW,CAAC;IAChC,MAAM,EAAE,MAAM,CAAC;IACf,aAAa,EAAE,OAAO,CAAC;IACvB,WAAW,EAAE;QACX,IAAI,EAAE,MAAM,CAAC;QACb,KAAK,EAAE,MAAM,CAAC;QACd,IAAI,EAAE,MAAM,CAAC;KACd,CAAC;IACF,OAAO,EAAE,MAAM,CAAC;CACjB;AAED,MAAM,WAAW,aAAa;IAC5B,cAAc,CAAC,EAAE,MAAM,CAAC;IACxB,QAAQ,CAAC,EAAE,OAAO,GAAG,MAAM,GAAG,MAAM,GAAG,OAAO,CAAC;CAChD;AAED,qBAAa,YAAY;IACvB,OAAO,CAAC,MAAM,CAA0B;IACxC,OAAO,CAAC,SAAS,CAAO;gBAEZ,OAAO,GAAE,aAAkB;IA8BjC,cAAc,CAClB,GAAG,EAAE,OAAO,EACZ,GAAG,EAAE,QAAQ,EACb,eAAe,CAAC,EAAE,eAAe,GAChC,OAAO,CAAC,IAAI,CAAC;IAkBV,WAAW,IAAI,OAAO,CAAC,YAAY,CAAC;IAgC1C,cAAc,IAAI;QAAE,MAAM,EAAE,OAAO,CAAC;QAAC,SAAS,CAAC,EAAE,MAAM,CAAC;QAAC,GAAG,CAAC,EAAE,MAAM,CAAA;KAAE;IAoBvE,kBAAkB,IAAI,YAAY,EAAE;IAwBpC,mBAAmB,CAAC,QAAQ,EAAE,YAAY,EAAE,GAAG,MAAM;IAiB/C,QAAQ,IAAI,OAAO,CAAC,IAAI,CAAC;IASzB,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC;CAG7B;AA2CD,eAAe,YAAY,CAAC"}
+{"version":3,"file":"mcp-engine.d.ts","sourceRoot":"","sources":["../src/mcp-engine.ts"],"names":[],"mappings":"AAOA,OAAO,EAAE,OAAO,EAAE,QAAQ,EAAE,MAAM,SAAS,CAAC;AAG5C,OAAO,EAAE,eAAe,EAAE,MAAM,0BAA0B,CAAC;AAC3D,OAAO,EAAE,YAAY,EAAE,MAAM,uBAAuB,CAAC;AACrD,OAAO,EAAE,uBAAuB,EAAE,MAAM,2BAA2B,CAAC;AAEpE,MAAM,WAAW,YAAY;IAC3B,MAAM,EAAE,SAAS,GAAG,WAAW,CAAC;IAChC,MAAM,EAAE,MAAM,CAAC;IACf,aAAa,EAAE,OAAO,CAAC;IACvB,WAAW,EAAE;QACX,IAAI,EAAE,MAAM,CAAC;QACb,KAAK,EAAE,MAAM,CAAC;QACd,IAAI,EAAE,MAAM,CAAC;KACd,CAAC;IACF,OAAO,EAAE,MAAM,CAAC;CACjB;AAED,MAAM,WAAW,aAAa;IAC5B,cAAc,CAAC,EAAE,MAAM,CAAC;IACxB,QAAQ,CAAC,EAAE,OAAO,GAAG,MAAM,GAAG,MAAM,GAAG,OAAO,CAAC;IAC/C,uBAAuB,CAAC,EAAE,uBAAuB,CAAC;CACnD;AAED,qBAAa,YAAY;IACvB,OAAO,CAAC,MAAM,CAA0B;IACxC,OAAO,CAAC,SAAS,CAAO;gBAEZ,OAAO,GAAE,aAAkB;IAgCjC,cAAc,CAClB,GAAG,EAAE,OAAO,EACZ,GAAG,EAAE,QAAQ,EACb,eAAe,CAAC,EAAE,eAAe,GAChC,OAAO,CAAC,IAAI,CAAC;IAkBV,WAAW,IAAI,OAAO,CAAC,YAAY,CAAC;IAgC1C,cAAc,IAAI;QAAE,MAAM,EAAE,OAAO,CAAC;QAAC,SAAS,CAAC,EAAE,MAAM,CAAC;QAAC,GAAG,CAAC,EAAE,MAAM,CAAA;KAAE;IAoBvE,kBAAkB,IAAI,YAAY,EAAE;IAwBpC,mBAAmB,CAAC,QAAQ,EAAE,YAAY,EAAE,GAAG,MAAM;IAiB/C,QAAQ,IAAI,OAAO,CAAC,IAAI,CAAC;IASzB,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC;CAG7B;AA2CD,eAAe,YAAY,CAAC"}
--- a/dist/mcp-engine.js
+++ b/dist/mcp-engine.js
@@ -5,7 +5,9 @@ const http_server_single_session_1 = require("./http-server-single-session");
 const logger_1 = require("./utils/logger");
 class N8NMCPEngine {
    constructor(options = {}) {
-        this.server = new http_server_single_session_1.SingleSessionHTTPServer();
+        this.server = new http_server_single_session_1.SingleSessionHTTPServer({
+            generateWorkflowHandler: options.generateWorkflowHandler,
+        });
        this.startTime = new Date();
        if (options.logLevel) {
            process.env.LOG_LEVEL = options.logLevel;
--- a/dist/mcp-engine.js.map
+++ b/dist/mcp-engine.js.map
@@ -1 +1 @@
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--- a/dist/mcp/handlers-n8n-manager.d.ts
+++ b/dist/mcp/handlers-n8n-manager.d.ts
@@ -26,6 +26,7 @@ export declare function handleDiagnostic(request: any, context?: InstanceContext
 export declare function handleWorkflowVersions(args: unknown, repository: NodeRepository, context?: InstanceContext): Promise<McpToolResponse>;
 export declare function handleDeployTemplate(args: unknown, templateService: TemplateService, repository: NodeRepository, context?: InstanceContext): Promise<McpToolResponse>;
 export declare function handleTriggerWebhookWorkflow(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
+export declare function tryParseJson(val: unknown): unknown;
 export declare function handleCreateTable(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
 export declare function handleListTables(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
 export declare function handleGetTable(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
@@ -36,4 +37,11 @@ export declare function handleInsertRows(args: unknown, context?: InstanceContex
 export declare function handleUpdateRows(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
 export declare function handleUpsertRows(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
 export declare function handleDeleteRows(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
+export declare function handleListCredentials(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
+export declare function handleGetCredential(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
+export declare function handleCreateCredential(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
+export declare function handleUpdateCredential(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
+export declare function handleDeleteCredential(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
+export declare function handleGetCredentialSchema(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
+export declare function handleAuditInstance(args: unknown, context?: InstanceContext): Promise<McpToolResponse>;
 //# sourceMappingURL=handlers-n8n-manager.d.ts.map
--- a/dist/mcp/handlers-n8n-manager.d.ts.map
+++ b/dist/mcp/handlers-n8n-manager.d.ts.map
@@ -1 +1 @@
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--- a/dist/mcp/handlers-n8n-manager.js
+++ b/dist/mcp/handlers-n8n-manager.js
@@ -56,6 +56,7 @@ exports.handleDiagnostic = handleDiagnostic;
 exports.handleWorkflowVersions = handleWorkflowVersions;
 exports.handleDeployTemplate = handleDeployTemplate;
 exports.handleTriggerWebhookWorkflow = handleTriggerWebhookWorkflow;
+exports.tryParseJson = tryParseJson;
 exports.handleCreateTable = handleCreateTable;
 exports.handleListTables = handleListTables;
 exports.handleGetTable = handleGetTable;
@@ -66,7 +67,16 @@ exports.handleInsertRows = handleInsertRows;
 exports.handleUpdateRows = handleUpdateRows;
 exports.handleUpsertRows = handleUpsertRows;
 exports.handleDeleteRows = handleDeleteRows;
+exports.handleListCredentials = handleListCredentials;
+exports.handleGetCredential = handleGetCredential;
+exports.handleCreateCredential = handleCreateCredential;
+exports.handleUpdateCredential = handleUpdateCredential;
+exports.handleDeleteCredential = handleDeleteCredential;
+exports.handleGetCredentialSchema = handleGetCredentialSchema;
+exports.handleAuditInstance = handleAuditInstance;
 const n8n_api_client_1 = require("../services/n8n-api-client");
+const workflow_security_scanner_1 = require("../services/workflow-security-scanner");
+const audit_report_builder_1 = require("../services/audit-report-builder");
 const n8n_api_1 = require("../config/n8n-api");
 const n8n_api_2 = require("../types/n8n-api");
 const n8n_validation_1 = require("../services/n8n-validation");
@@ -518,6 +528,24 @@ async function handleUpdateWorkflow(args, repository, context) {
        if (updateData.nodes || updateData.connections) {
            const current = await client.getWorkflow(id);
            workflowBefore = JSON.parse(JSON.stringify(current));
+            if (updateData.nodes && current.nodes) {
+                const currentById = new Map();
+                const currentByName = new Map();
+                for (const node of current.nodes) {
+                    if (node.id)
+                        currentById.set(node.id, node);
+                    currentByName.set(node.name, node);
+                }
+                for (const node of updateData.nodes) {
+                    const hasCredentials = node.credentials && typeof node.credentials === 'object' && Object.keys(node.credentials).length > 0;
+                    if (!hasCredentials) {
+                        const match = (node.id && currentById.get(node.id)) || currentByName.get(node.name);
+                        if (match?.credentials) {
+                            node.credentials = match.credentials;
+                        }
+                    }
+                }
+            }
            if (createBackup !== false) {
                try {
                    const versioningService = new workflow_versioning_service_1.WorkflowVersioningService(repository, client);
@@ -2110,7 +2138,7 @@ const deleteRowsSchema = tableIdSchema.extend({
    returnData: zod_1.z.boolean().optional(),
    dryRun: zod_1.z.boolean().optional(),
 });
-function handleDataTableError(error) {
+function handleCrudError(error) {
    if (error instanceof zod_1.z.ZodError) {
        return { success: false, error: 'Invalid input', details: { errors: error.errors } };
    }
@@ -2139,7 +2167,7 @@ async function handleCreateTable(args, context) {
        };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleListTables(args, context) {
@@ -2157,7 +2185,7 @@ async function handleListTables(args, context) {
        };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleGetTable(args, context) {
@@ -2168,7 +2196,7 @@ async function handleGetTable(args, context) {
        return { success: true, data: dataTable };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleUpdateTable(args, context) {
@@ -2186,7 +2214,7 @@ async function handleUpdateTable(args, context) {
        };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleDeleteTable(args, context) {
@@ -2197,7 +2225,7 @@ async function handleDeleteTable(args, context) {
        return { success: true, message: `Data table ${tableId} deleted successfully` };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleGetRows(args, context) {
@@ -2222,7 +2250,7 @@ async function handleGetRows(args, context) {
        };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleInsertRows(args, context) {
@@ -2237,7 +2265,7 @@ async function handleInsertRows(args, context) {
        };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleUpdateRows(args, context) {
@@ -2252,7 +2280,7 @@ async function handleUpdateRows(args, context) {
        };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleUpsertRows(args, context) {
@@ -2267,7 +2295,7 @@ async function handleUpsertRows(args, context) {
        };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
    }
 }
 async function handleDeleteRows(args, context) {
@@ -2286,7 +2314,220 @@ async function handleDeleteRows(args, context) {
        };
    }
    catch (error) {
-        return handleDataTableError(error);
+        return handleCrudError(error);
+    }
+}
+const listCredentialsSchema = zod_1.z.object({}).passthrough();
+const getCredentialSchema = zod_1.z.object({
+    id: zod_1.z.string({ required_error: 'Credential ID is required' }),
+});
+const createCredentialSchema = zod_1.z.object({
+    name: zod_1.z.string({ required_error: 'Credential name is required' }),
+    type: zod_1.z.string({ required_error: 'Credential type is required' }),
+    data: zod_1.z.record(zod_1.z.any(), { required_error: 'Credential data is required' }),
+});
+const updateCredentialSchema = zod_1.z.object({
+    id: zod_1.z.string({ required_error: 'Credential ID is required' }),
+    name: zod_1.z.string().optional(),
+    data: zod_1.z.record(zod_1.z.any()).optional(),
+});
+const deleteCredentialSchema = zod_1.z.object({
+    id: zod_1.z.string({ required_error: 'Credential ID is required' }),
+});
+const getCredentialSchemaTypeSchema = zod_1.z.object({
+    type: zod_1.z.string({ required_error: 'Credential type is required' }),
+});
+async function handleListCredentials(args, context) {
+    try {
+        const client = ensureApiConfigured(context);
+        listCredentialsSchema.parse(args);
+        const result = await client.listCredentials();
+        return {
+            success: true,
+            data: {
+                credentials: result.data,
+                count: result.data.length,
+                nextCursor: result.nextCursor || undefined,
+            },
+        };
+    }
+    catch (error) {
+        return handleCrudError(error);
+    }
+}
+async function handleGetCredential(args, context) {
+    try {
+        const client = ensureApiConfigured(context);
+        const { id } = getCredentialSchema.parse(args);
+        const credential = await client.getCredential(id);
+        const { data: _sensitiveData, ...safeCred } = credential;
+        return {
+            success: true,
+            data: safeCred,
+        };
+    }
+    catch (error) {
+        return handleCrudError(error);
+    }
+}
+async function handleCreateCredential(args, context) {
+    try {
+        const client = ensureApiConfigured(context);
+        const { name, type, data } = createCredentialSchema.parse(args);
+        logger_1.logger.info(`Creating credential: name="${name}", type="${type}"`);
+        const credential = await client.createCredential({ name, type, data });
+        const { data: _sensitiveData, ...safeCred } = credential;
+        return {
+            success: true,
+            data: safeCred,
+            message: `Credential "${name}" (type: ${type}) created with ID ${credential.id}`,
+        };
+    }
+    catch (error) {
+        return handleCrudError(error);
+    }
+}
+async function handleUpdateCredential(args, context) {
+    try {
+        const client = ensureApiConfigured(context);
+        const { id, name, data } = updateCredentialSchema.parse(args);
+        logger_1.logger.info(`Updating credential: id="${id}"${name ? `, name="${name}"` : ''}`);
+        const updatePayload = {};
+        if (name !== undefined)
+            updatePayload.name = name;
+        if (data !== undefined)
+            updatePayload.data = data;
+        const credential = await client.updateCredential(id, updatePayload);
+        const { data: _sensitiveData, ...safeCred } = credential;
+        return {
+            success: true,
+            data: safeCred,
+            message: `Credential ${id} updated successfully`,
+        };
+    }
+    catch (error) {
+        return handleCrudError(error);
+    }
+}
+async function handleDeleteCredential(args, context) {
+    try {
+        const client = ensureApiConfigured(context);
+        const { id } = deleteCredentialSchema.parse(args);
+        logger_1.logger.info(`Deleting credential: id="${id}"`);
+        await client.deleteCredential(id);
+        return {
+            success: true,
+            message: `Credential ${id} deleted successfully`,
+        };
+    }
+    catch (error) {
+        return handleCrudError(error);
+    }
+}
+async function handleGetCredentialSchema(args, context) {
+    try {
+        const client = ensureApiConfigured(context);
+        const { type } = getCredentialSchemaTypeSchema.parse(args);
+        const schema = await client.getCredentialSchema(type);
+        return {
+            success: true,
+            data: schema,
+            message: `Schema for credential type "${type}"`,
+        };
+    }
+    catch (error) {
+        return handleCrudError(error);
+    }
+}
+const auditInstanceSchema = zod_1.z.object({
+    categories: zod_1.z.array(zod_1.z.enum([
+        'credentials', 'database', 'nodes', 'instance', 'filesystem',
+    ])).optional(),
+    includeCustomScan: zod_1.z.boolean().optional().default(true),
+    daysAbandonedWorkflow: zod_1.z.number().optional(),
+    customChecks: zod_1.z.array(zod_1.z.enum([
+        'hardcoded_secrets', 'unauthenticated_webhooks', 'error_handling', 'data_retention',
+    ])).optional(),
+});
+async function handleAuditInstance(args, context) {
+    try {
+        const client = ensureApiConfigured(context);
+        const input = auditInstanceSchema.parse(args);
+        const totalStart = Date.now();
+        const warnings = [];
+        let builtinAudit = null;
+        let builtinAuditMs = 0;
+        try {
+            const auditStart = Date.now();
+            builtinAudit = await client.generateAudit({
+                categories: input.categories,
+                daysAbandonedWorkflow: input.daysAbandonedWorkflow,
+            });
+            builtinAuditMs = Date.now() - auditStart;
+        }
+        catch (auditError) {
+            builtinAuditMs = Date.now() - totalStart;
+            const msg = auditError?.statusCode === 404
+                ? 'Built-in audit endpoint not available on this n8n version.'
+                : `Built-in audit failed: ${auditError?.message || 'unknown error'}`;
+            warnings.push(msg);
+            logger_1.logger.warn(`Audit: ${msg}`);
+        }
+        let customReport = null;
+        let workflowFetchMs = 0;
+        let customScanMs = 0;
+        if (input.includeCustomScan) {
+            try {
+                const fetchStart = Date.now();
+                const allWorkflows = await client.listAllWorkflows();
+                workflowFetchMs = Date.now() - fetchStart;
+                logger_1.logger.info(`Audit: fetched ${allWorkflows.length} workflows for scanning`);
+                const scanStart = Date.now();
+                customReport = (0, workflow_security_scanner_1.scanWorkflows)(allWorkflows, input.customChecks);
+                customScanMs = Date.now() - scanStart;
+                logger_1.logger.info(`Audit: custom scan found ${customReport.summary.total} findings across ${customReport.workflowsScanned} workflows`);
+            }
+            catch (scanError) {
+                warnings.push(`Custom scan failed: ${scanError?.message || 'unknown error'}`);
+                logger_1.logger.warn(`Audit: custom scan failed: ${scanError?.message}`);
+            }
+        }
+        const totalMs = Date.now() - totalStart;
+        const apiConfig = context?.n8nApiUrl
+            ? { baseUrl: context.n8nApiUrl }
+            : (0, n8n_api_1.getN8nApiConfig)();
+        const instanceUrl = apiConfig?.baseUrl || 'unknown';
+        const report = (0, audit_report_builder_1.buildAuditReport)({
+            builtinAudit,
+            customReport,
+            performance: { builtinAuditMs, workflowFetchMs, customScanMs, totalMs },
+            instanceUrl,
+            warnings: warnings.length > 0 ? warnings : undefined,
+        });
+        return {
+            success: true,
+            data: {
+                report: report.markdown,
+                summary: report.summary,
+            },
+        };
+    }
+    catch (error) {
+        if (error instanceof zod_1.z.ZodError) {
+            return {
+                success: false,
+                error: 'Invalid audit parameters',
+                details: { issues: error.errors },
+            };
+        }
+        if (error instanceof n8n_errors_1.N8nApiError) {
+            return {
+                success: false,
+                error: (0, n8n_errors_1.getUserFriendlyErrorMessage)(error),
+            };
+        }
+        const message = error instanceof Error ? error.message : String(error);
+        return { success: false, error: message };
    }
 }
 //# sourceMappingURL=handlers-n8n-manager.js.map
--- a/dist/mcp/handlers-n8n-manager.js.map
+++ b/dist/mcp/handlers-n8n-manager.js.map
--- a/dist/mcp/handlers-workflow-diff.d.ts.map
+++ b/dist/mcp/handlers-workflow-diff.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"handlers-workflow-diff.d.ts","sourceRoot":"","sources":["../../src/mcp/handlers-workflow-diff.ts"],"names":[],"mappings":"AAMA,OAAO,EAAE,eAAe,EAAE,MAAM,kBAAkB,CAAC;AAMnD,OAAO,EAAE,eAAe,EAAE,MAAM,2BAA2B,CAAC;AAE5D,OAAO,EAAE,cAAc,EAAE,MAAM,6BAA6B,CAAC;AAkF7D,wBAAsB,2BAA2B,CAC/C,IAAI,EAAE,OAAO,EACb,UAAU,EAAE,cAAc,EAC1B,OAAO,CAAC,EAAE,eAAe,GACxB,OAAO,CAAC,eAAe,CAAC,CAib1B"}
+{"version":3,"file":"handlers-workflow-diff.d.ts","sourceRoot":"","sources":["../../src/mcp/handlers-workflow-diff.ts"],"names":[],"mappings":"AAMA,OAAO,EAAE,eAAe,EAAE,MAAM,kBAAkB,CAAC;AAMnD,OAAO,EAAE,eAAe,EAAE,MAAM,2BAA2B,CAAC;AAE5D,OAAO,EAAE,cAAc,EAAE,MAAM,6BAA6B,CAAC;AAoF7D,wBAAsB,2BAA2B,CAC/C,IAAI,EAAE,OAAO,EACb,UAAU,EAAE,cAAc,EAC1B,OAAO,CAAC,EAAE,eAAe,GACxB,OAAO,CAAC,eAAe,CAAC,CAib1B"}
--- a/dist/mcp/handlers-workflow-diff.js
+++ b/dist/mcp/handlers-workflow-diff.js
@@ -51,17 +51,19 @@ function getValidator(repository) {
    return cachedValidator;
 }
 const NODE_TARGETING_OPERATIONS = new Set([
-    'updateNode', 'removeNode', 'moveNode', 'enableNode', 'disableNode'
+    'updateNode', 'removeNode', 'moveNode', 'enableNode', 'disableNode', 'patchNodeField'
 ]);
 const workflowDiffSchema = zod_1.z.object({
    id: zod_1.z.string(),
-    operations: zod_1.z.array(zod_1.z.object({
+    operations: zod_1.z.preprocess(handlers_n8n_manager_1.tryParseJson, zod_1.z.array(zod_1.z.object({
        type: zod_1.z.string(),
        description: zod_1.z.string().optional(),
        node: zod_1.z.any().optional(),
        nodeId: zod_1.z.string().optional(),
        nodeName: zod_1.z.string().optional(),
        updates: zod_1.z.any().optional(),
+        fieldPath: zod_1.z.string().optional(),
+        patches: zod_1.z.any().optional(),
        position: zod_1.z.tuple([zod_1.z.number(), zod_1.z.number()]).optional(),
        source: zod_1.z.string().optional(),
        target: zod_1.z.string().optional(),
@@ -93,7 +95,7 @@ const workflowDiffSchema = zod_1.z.object({
            }
        }
        return op;
-    })),
+    }))),
    validateOnly: zod_1.z.boolean().optional(),
    continueOnError: zod_1.z.boolean().optional(),
    createBackup: zod_1.z.boolean().optional(),
@@ -506,6 +508,8 @@ function inferIntentFromOperations(operations) {
                return `Remove node ${op.nodeName || op.nodeId || ''}`.trim();
            case 'updateNode':
                return `Update node ${op.nodeName || op.nodeId || ''}`.trim();
+            case 'patchNodeField':
+                return `Patch field on node ${op.nodeName || op.nodeId || ''}`.trim();
            case 'addConnection':
                return `Connect ${op.source || 'node'} to ${op.target || 'node'}`;
            case 'removeConnection':
@@ -538,6 +542,10 @@ function inferIntentFromOperations(operations) {
        const count = opTypes.filter((t) => t === 'updateNode').length;
        summary.push(`update ${count} node${count > 1 ? 's' : ''}`);
    }
+    if (typeSet.has('patchNodeField')) {
+        const count = opTypes.filter((t) => t === 'patchNodeField').length;
+        summary.push(`patch ${count} field${count > 1 ? 's' : ''}`);
+    }
    if (typeSet.has('addConnection') || typeSet.has('rewireConnection')) {
        summary.push('modify connections');
    }
--- a/dist/mcp/handlers-workflow-diff.js.map
+++ b/dist/mcp/handlers-workflow-diff.js.map
--- a/dist/mcp/server.d.ts
+++ b/dist/mcp/server.d.ts
@@ -1,5 +1,9 @@
 import { InstanceContext } from '../types/instance-context';
+import { GenerateWorkflowHandler } from '../types/generate-workflow';
 import { EarlyErrorLogger } from '../telemetry/early-error-logger';
+interface MCPServerOptions {
+    generateWorkflowHandler?: GenerateWorkflowHandler;
+}
 export declare class N8NDocumentationMCPServer {
    private server;
    private db;
@@ -16,7 +20,8 @@ export declare class N8NDocumentationMCPServer {
    private useSharedDatabase;
    private sharedDbState;
    private isShutdown;
-    constructor(instanceContext?: InstanceContext, earlyLogger?: EarlyErrorLogger);
+    private generateWorkflowHandler?;
+    constructor(instanceContext?: InstanceContext, earlyLogger?: EarlyErrorLogger, options?: MCPServerOptions);
    close(): Promise<void>;
    private initializeDatabase;
    private initializeInMemorySchema;
@@ -46,6 +51,7 @@ export declare class N8NDocumentationMCPServer {
    private getNodeDocumentation;
    private safeJsonParse;
    private getDatabaseStatistics;
+    private buildOperationsTree;
    private getNodeEssentials;
    private getNode;
    private handleInfoMode;
@@ -74,6 +80,8 @@ export declare class N8NDocumentationMCPServer {
    private listNodeTemplates;
    private getTemplate;
    private searchTemplates;
+    private workflowPatternsCache;
+    private getWorkflowPatterns;
    private getTemplatesForTask;
    private searchTemplatesByMetadata;
    private getTaskDescription;
@@ -83,4 +91,5 @@ export declare class N8NDocumentationMCPServer {
    run(): Promise<void>;
    shutdown(): Promise<void>;
 }
+export {};
 //# sourceMappingURL=server.d.ts.map
--- a/dist/mcp/server.d.ts.map
+++ b/dist/mcp/server.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"server.d.ts","sourceRoot":"","sources":["../../src/mcp/server.ts"],"names":[],"mappings":"AA0CA,OAAO,EAAE,eAAe,EAAE,MAAM,2BAA2B,CAAC;AAE5D,OAAO,EAAE,gBAAgB,EAAE,MAAM,iCAAiC,CAAC;AAmGnE,qBAAa,yBAAyB;IACpC,OAAO,CAAC,MAAM,CAAS;IACvB,OAAO,CAAC,EAAE,CAAgC;IAC1C,OAAO,CAAC,UAAU,CAA+B;IACjD,OAAO,CAAC,eAAe,CAAgC;IACvD,OAAO,CAAC,WAAW,CAAgB;IACnC,OAAO,CAAC,KAAK,CAAqB;IAClC,OAAO,CAAC,UAAU,CAAa;IAC/B,OAAO,CAAC,eAAe,CAAC,CAAkB;IAC1C,OAAO,CAAC,YAAY,CAAuB;IAC3C,OAAO,CAAC,qBAAqB,CAAsB;IACnD,OAAO,CAAC,WAAW,CAAiC;IACpD,OAAO,CAAC,kBAAkB,CAA4B;IACtD,OAAO,CAAC,iBAAiB,CAAkB;IAC3C,OAAO,CAAC,aAAa,CAAoC;IACzD,OAAO,CAAC,UAAU,CAAkB;gBAExB,eAAe,CAAC,EAAE,eAAe,EAAE,WAAW,CAAC,EAAE,gBAAgB;IA8GvE,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC;YA+Cd,kBAAkB;YAiDlB,wBAAwB;IA0BtC,OAAO,CAAC,kBAAkB;YA6CZ,iBAAiB;IAa/B,OAAO,CAAC,eAAe,CAAkB;YAE3B,sBAAsB;IAgDpC,OAAO,CAAC,gBAAgB;IAqCxB,OAAO,CAAC,aAAa;IA0XrB,OAAO,CAAC,wBAAwB;IAoFhC,OAAO,CAAC,kBAAkB;IA0E1B,OAAO,CAAC,uBAAuB;IAwB/B,OAAO,CAAC,qBAAqB;IAiF7B,OAAO,CAAC,2BAA2B;YA8VrB,SAAS;YA2DT,WAAW;YAkFX,WAAW;YA0CX,cAAc;YA8Md,gBAAgB;IAqD9B,OAAO,CAAC,mBAAmB;IAwE3B,OAAO,CAAC,eAAe;YAsBT,eAAe;IA2L7B,OAAO,CAAC,kBAAkB;IAQ1B,OAAO,CAAC,uBAAuB;IA0D/B,OAAO,CAAC,iBAAiB;YAqFX,WAAW;YAgCX,oBAAoB;IAuFlC,OAAO,CAAC,aAAa;YAQP,qBAAqB;YAwDrB,iBAAiB;YAiKjB,OAAO;YAgDP,cAAc;YAwFd,iBAAiB;IAqC/B,OAAO,CAAC,iBAAiB;IA0BzB,OAAO,CAAC,iBAAiB;IA0BzB,OAAO,CAAC,eAAe;IAwCvB,OAAO,CAAC,kBAAkB;IAiC1B,OAAO,CAAC,aAAa;IAoCrB,OAAO,CAAC,0BAA0B;IAgClC,OAAO,CAAC,4BAA4B;YAKtB,oBAAoB;IAsDlC,OAAO,CAAC,gBAAgB;YAiBV,SAAS;YA6CT,kBAAkB;YAqElB,uBAAuB;YAsDvB,iBAAiB;IAqE/B,OAAO,CAAC,qBAAqB;IA8C7B,OAAO,CAAC,uBAAuB;IA4D/B,OAAO,CAAC,wBAAwB;IAkChC,OAAO,CAAC,iBAAiB;YAoDX,mBAAmB;YAoEnB,qBAAqB;IAS7B,OAAO,CAAC,SAAS,EAAE,GAAG,GAAG,OAAO,CAAC,IAAI,CAAC;YAS9B,aAAa;YAcb,iBAAiB;YAoBjB,WAAW;YAwBX,eAAe;YAqBf,mBAAmB;YAwBnB,yBAAyB;IA4CvC,OAAO,CAAC,kBAAkB;YAiBZ,gBAAgB;YA6HhB,2BAA2B;YAiE3B,2BAA2B;IAyEnC,GAAG,IAAI,OAAO,CAAC,IAAI,CAAC;IA0BpB,QAAQ,IAAI,OAAO,CAAC,IAAI,CAAC;CAgEhC"}
+{"version":3,"file":"server.d.ts","sourceRoot":"","sources":["../../src/mcp/server.ts"],"names":[],"mappings":"AA0CA,OAAO,EAAE,eAAe,EAAE,MAAM,2BAA2B,CAAC;AAC5D,OAAO,EAAE,uBAAuB,EAA2B,MAAM,4BAA4B,CAAC;AAE9F,OAAO,EAAE,gBAAgB,EAAE,MAAM,iCAAiC,CAAC;AAmGnE,UAAU,gBAAgB;IACxB,uBAAuB,CAAC,EAAE,uBAAuB,CAAC;CACnD;AAED,qBAAa,yBAAyB;IACpC,OAAO,CAAC,MAAM,CAAS;IACvB,OAAO,CAAC,EAAE,CAAgC;IAC1C,OAAO,CAAC,UAAU,CAA+B;IACjD,OAAO,CAAC,eAAe,CAAgC;IACvD,OAAO,CAAC,WAAW,CAAgB;IACnC,OAAO,CAAC,KAAK,CAAqB;IAClC,OAAO,CAAC,UAAU,CAAa;IAC/B,OAAO,CAAC,eAAe,CAAC,CAAkB;IAC1C,OAAO,CAAC,YAAY,CAAuB;IAC3C,OAAO,CAAC,qBAAqB,CAAsB;IACnD,OAAO,CAAC,WAAW,CAAiC;IACpD,OAAO,CAAC,kBAAkB,CAA4B;IACtD,OAAO,CAAC,iBAAiB,CAAkB;IAC3C,OAAO,CAAC,aAAa,CAAoC;IACzD,OAAO,CAAC,UAAU,CAAkB;IACpC,OAAO,CAAC,uBAAuB,CAAC,CAA0B;gBAE9C,eAAe,CAAC,EAAE,eAAe,EAAE,WAAW,CAAC,EAAE,gBAAgB,EAAE,OAAO,CAAC,EAAE,gBAAgB;IA+GnG,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC;YA+Cd,kBAAkB;YAiDlB,wBAAwB;IA0BtC,OAAO,CAAC,kBAAkB;YA6CZ,iBAAiB;IAa/B,OAAO,CAAC,eAAe,CAAkB;YAE3B,sBAAsB;IAgDpC,OAAO,CAAC,gBAAgB;IAqCxB,OAAO,CAAC,aAAa;IAiYrB,OAAO,CAAC,wBAAwB;IAoFhC,OAAO,CAAC,kBAAkB;IAmF1B,OAAO,CAAC,uBAAuB;IAwB/B,OAAO,CAAC,qBAAqB;IAiF7B,OAAO,CAAC,2BAA2B;YAmarB,SAAS;YA2DT,WAAW;YAkFX,WAAW;YA2CX,cAAc;YAuNd,gBAAgB;IAuE9B,OAAO,CAAC,mBAAmB;IAwE3B,OAAO,CAAC,eAAe;YAsBT,eAAe;IA4M7B,OAAO,CAAC,kBAAkB;IAQ1B,OAAO,CAAC,uBAAuB;IA0D/B,OAAO,CAAC,iBAAiB;YAqFX,WAAW;YAgCX,oBAAoB;IAuFlC,OAAO,CAAC,aAAa;YAQP,qBAAqB;IA4DnC,OAAO,CAAC,mBAAmB;YAyCb,iBAAiB;YAiKjB,OAAO;YAgDP,cAAc;YAwFd,iBAAiB;IAqC/B,OAAO,CAAC,iBAAiB;IA0BzB,OAAO,CAAC,iBAAiB;IA0BzB,OAAO,CAAC,eAAe;IAwCvB,OAAO,CAAC,kBAAkB;IAiC1B,OAAO,CAAC,aAAa;IAoCrB,OAAO,CAAC,0BAA0B;IAgClC,OAAO,CAAC,4BAA4B;YAKtB,oBAAoB;IAsDlC,OAAO,CAAC,gBAAgB;YAiBV,SAAS;YA6CT,kBAAkB;YAqElB,uBAAuB;YAsDvB,iBAAiB;IAqE/B,OAAO,CAAC,qBAAqB;IA8C7B,OAAO,CAAC,uBAAuB;IA4D/B,OAAO,CAAC,wBAAwB;IAkChC,OAAO,CAAC,iBAAiB;YAoDX,mBAAmB;YAoEnB,qBAAqB;IAS7B,OAAO,CAAC,SAAS,EAAE,GAAG,GAAG,OAAO,CAAC,IAAI,CAAC;YAS9B,aAAa;YAcb,iBAAiB;YAoBjB,WAAW;YAwBX,eAAe;IAqB7B,OAAO,CAAC,qBAAqB,CASb;IAEhB,OAAO,CAAC,mBAAmB;YAsDb,mBAAmB;YAwBnB,yBAAyB;IA4CvC,OAAO,CAAC,kBAAkB;YAiBZ,gBAAgB;YA6HhB,2BAA2B;YAiE3B,2BAA2B;IAyEnC,GAAG,IAAI,OAAO,CAAC,IAAI,CAAC;IA0BpB,QAAQ,IAAI,OAAO,CAAC,IAAI,CAAC;CAgEhC"}
--- a/dist/mcp/server.js
+++ b/dist/mcp/server.js
@@ -72,7 +72,7 @@ const protocol_version_1 = require("../utils/protocol-version");
 const telemetry_1 = require("../telemetry");
 const startup_checkpoints_1 = require("../telemetry/startup-checkpoints");
 class N8NDocumentationMCPServer {
-    constructor(instanceContext, earlyLogger) {
+    constructor(instanceContext, earlyLogger, options) {
        this.db = null;
        this.repository = null;
        this.templateService = null;
@@ -86,8 +86,10 @@ class N8NDocumentationMCPServer {
        this.sharedDbState = null;
        this.isShutdown = false;
        this.dbHealthChecked = false;
+        this.workflowPatternsCache = null;
        this.instanceContext = instanceContext;
        this.earlyLogger = earlyLogger || null;
+        this.generateWorkflowHandler = options?.generateWorkflowHandler;
        const envDbPath = process.env.NODE_DB_PATH;
        let dbPath = null;
        let possiblePaths = [];
@@ -499,6 +501,9 @@ class N8NDocumentationMCPServer {
                }
            }
            processedArgs = this.coerceStringifiedJsonParams(name, processedArgs);
+            if (processedArgs) {
+                processedArgs = JSON.parse(JSON.stringify(processedArgs));
+            }
            try {
                logger_1.logger.debug(`Executing tool: ${name}`, { args: processedArgs });
                const startTime = Date.now();
@@ -725,6 +730,14 @@ class N8NDocumentationMCPServer {
                        ? { valid: true, errors: [] }
                        : { valid: false, errors: [{ field: 'action', message: 'action is required' }] };
                    break;
+                case 'n8n_manage_credentials':
+                    validationResult = args.action
+                        ? { valid: true, errors: [] }
+                        : { valid: false, errors: [{ field: 'action', message: 'action is required' }] };
+                    break;
+                case 'n8n_audit_instance':
+                    validationResult = { valid: true, errors: [] };
+                    break;
                case 'n8n_deploy_template':
                    validationResult = args.templateId !== undefined
                        ? { valid: true, errors: [] }
@@ -931,6 +944,7 @@ class N8NDocumentationMCPServer {
                return this.searchNodes(args.query, limit, {
                    mode: args.mode,
                    includeExamples: args.includeExamples,
+                    includeOperations: args.includeOperations,
                    source: args.source
                });
            case 'get_node':
@@ -1022,6 +1036,8 @@ class N8NDocumentationMCPServer {
                            requiredService: args.requiredService,
                            targetAudience: args.targetAudience
                        }, searchLimit, searchOffset);
+                    case 'patterns':
+                        return this.getWorkflowPatterns(args.task, searchLimit);
                    case 'keyword':
                    default:
                        if (!args.query) {
@@ -1132,6 +1148,60 @@ class N8NDocumentationMCPServer {
                        throw new Error(`Unknown action: ${dtAction}. Valid actions: createTable, listTables, getTable, updateTable, deleteTable, getRows, insertRows, updateRows, upsertRows, deleteRows`);
                }
            }
+            case 'n8n_manage_credentials': {
+                this.validateToolParams(name, args, ['action']);
+                const credAction = args.action;
+                switch (credAction) {
+                    case 'list': return n8nHandlers.handleListCredentials(args, this.instanceContext);
+                    case 'get': return n8nHandlers.handleGetCredential(args, this.instanceContext);
+                    case 'create': return n8nHandlers.handleCreateCredential(args, this.instanceContext);
+                    case 'update': return n8nHandlers.handleUpdateCredential(args, this.instanceContext);
+                    case 'delete': return n8nHandlers.handleDeleteCredential(args, this.instanceContext);
+                    case 'getSchema': return n8nHandlers.handleGetCredentialSchema(args, this.instanceContext);
+                    default:
+                        throw new Error(`Unknown action: ${credAction}. Valid actions: list, get, create, update, delete, getSchema`);
+                }
+            }
+            case 'n8n_audit_instance':
+                return n8nHandlers.handleAuditInstance(args, this.instanceContext);
+            case 'n8n_generate_workflow': {
+                this.validateToolParams(name, args, ['description']);
+                if (this.generateWorkflowHandler && this.instanceContext) {
+                    await this.ensureInitialized();
+                    if (!this.repository) {
+                        throw new Error('Repository not initialized');
+                    }
+                    const repo = this.repository;
+                    const ctx = this.instanceContext;
+                    const helpers = {
+                        createWorkflow: (wfArgs) => n8nHandlers.handleCreateWorkflow(wfArgs, ctx),
+                        validateWorkflow: (id) => n8nHandlers.handleValidateWorkflow({ id }, repo, ctx),
+                        autofixWorkflow: (id) => n8nHandlers.handleAutofixWorkflow({ id }, repo, ctx),
+                        getWorkflow: (id) => n8nHandlers.handleGetWorkflow({ id }, ctx),
+                    };
+                    try {
+                        const result = await this.generateWorkflowHandler(args, ctx, helpers);
+                        return result ?? { success: false, error: 'Handler returned no result' };
+                    }
+                    catch (err) {
+                        const message = err instanceof Error ? err.message : String(err);
+                        return { success: false, error: message };
+                    }
+                }
+                return {
+                    hosted_only: true,
+                    message: 'The n8n_generate_workflow tool is available exclusively on the hosted version of n8n-mcp. ' +
+                        'It uses AI to generate complete, validated n8n workflows from natural language descriptions.\n\n' +
+                        'To access this feature:\n' +
+                        '1. Register for free at https://dashboard.n8n-mcp.com\n' +
+                        '2. Connect your n8n instance\n' +
+                        '3. Use your hosted API key in your MCP client\n\n' +
+                        'The hosted service includes:\n' +
+                        '- 73,000+ pre-built workflow templates with instant deployment\n' +
+                        '- AI-powered fresh generation for custom workflows\n' +
+                        '- Automatic validation and error correction'
+                };
+            }
            default:
                throw new Error(`Unknown tool: ${name}`);
        }
@@ -1270,7 +1340,7 @@ class N8NDocumentationMCPServer {
            return { query, results: [], totalCount: 0 };
        }
        if (mode === 'FUZZY') {
-            return this.searchNodesFuzzy(cleanedQuery, limit);
+            return this.searchNodesFuzzy(cleanedQuery, limit, { includeOperations: options?.includeOperations });
        }
        let ftsQuery;
        if (cleanedQuery.startsWith('"') && cleanedQuery.endsWith('"')) {
@@ -1338,7 +1408,7 @@ class N8NDocumentationMCPServer {
            const hasHttpRequest = scoredNodes.some(n => n.node_type === 'nodes-base.httpRequest');
            if (cleanedQuery.toLowerCase().includes('http') && !hasHttpRequest) {
                logger_1.logger.debug('FTS missed HTTP Request node, augmenting with LIKE search');
-                return this.searchNodesLIKE(query, limit);
+                return this.searchNodesLIKE(query, limit, options);
            }
            const result = {
                query,
@@ -1362,6 +1432,12 @@ class N8NDocumentationMCPServer {
                            nodeResult.npmDownloads = node.npm_downloads;
                        }
                    }
+                    if (options?.includeOperations) {
+                        const opsTree = this.buildOperationsTree(node.operations);
+                        if (opsTree) {
+                            nodeResult.operationsTree = opsTree;
+                        }
+                    }
                    return nodeResult;
                }),
                totalCount: scoredNodes.length
@@ -1412,7 +1488,7 @@ class N8NDocumentationMCPServer {
            return this.searchNodesLIKE(query, limit);
        }
    }
-    async searchNodesFuzzy(query, limit) {
+    async searchNodesFuzzy(query, limit, options) {
        if (!this.db)
            throw new Error('Database not initialized');
        const words = query.toLowerCase().split(/\s+/).filter(w => w.length > 0);
@@ -1440,14 +1516,23 @@ class N8NDocumentationMCPServer {
        return {
            query,
            mode: 'FUZZY',
-            results: matchingNodes.map(node => ({
-                nodeType: node.node_type,
-                workflowNodeType: (0, node_utils_1.getWorkflowNodeType)(node.package_name, node.node_type),
-                displayName: node.display_name,
-                description: node.description,
-                category: node.category,
-                package: node.package_name
-            })),
+            results: matchingNodes.map(node => {
+                const nodeResult = {
+                    nodeType: node.node_type,
+                    workflowNodeType: (0, node_utils_1.getWorkflowNodeType)(node.package_name, node.node_type),
+                    displayName: node.display_name,
+                    description: node.description,
+                    category: node.category,
+                    package: node.package_name
+                };
+                if (options?.includeOperations) {
+                    const opsTree = this.buildOperationsTree(node.operations);
+                    if (opsTree) {
+                        nodeResult.operationsTree = opsTree;
+                    }
+                }
+                return nodeResult;
+            }),
            totalCount: matchingNodes.length
        };
    }
@@ -1568,6 +1653,12 @@ class N8NDocumentationMCPServer {
                            nodeResult.npmDownloads = node.npm_downloads;
                        }
                    }
+                    if (options?.includeOperations) {
+                        const opsTree = this.buildOperationsTree(node.operations);
+                        if (opsTree) {
+                            nodeResult.operationsTree = opsTree;
+                        }
+                    }
                    return nodeResult;
                }),
                totalCount: rankedNodes.length
@@ -1635,6 +1726,12 @@ class N8NDocumentationMCPServer {
                        nodeResult.npmDownloads = node.npm_downloads;
                    }
                }
+                if (options?.includeOperations) {
+                    const opsTree = this.buildOperationsTree(node.operations);
+                    if (opsTree) {
+                        nodeResult.operationsTree = opsTree;
+                    }
+                }
                return nodeResult;
            }),
            totalCount: rankedNodes.length
@@ -1938,6 +2035,47 @@ Full documentation is being prepared. For now, use get_node_essentials for confi
            })),
        };
    }
+    buildOperationsTree(operationsRaw) {
+        if (!operationsRaw)
+            return undefined;
+        let ops;
+        if (typeof operationsRaw === 'string') {
+            try {
+                ops = JSON.parse(operationsRaw);
+            }
+            catch {
+                return undefined;
+            }
+        }
+        else if (Array.isArray(operationsRaw)) {
+            ops = operationsRaw;
+        }
+        else {
+            return undefined;
+        }
+        if (!Array.isArray(ops) || ops.length === 0)
+            return undefined;
+        const byResource = new Map();
+        for (const op of ops) {
+            const resource = op.resource || 'default';
+            const opName = op.name || op.operation;
+            if (!opName)
+                continue;
+            if (!byResource.has(resource)) {
+                byResource.set(resource, []);
+            }
+            const list = byResource.get(resource);
+            if (!list.includes(opName)) {
+                list.push(opName);
+            }
+        }
+        if (byResource.size === 0)
+            return undefined;
+        return Array.from(byResource.entries()).map(([resource, operations]) => ({
+            resource,
+            operations
+        }));
+    }
    async getNodeEssentials(nodeType, includeExamples) {
        await this.ensureInitialized();
        if (!this.repository)
@@ -2795,6 +2933,54 @@ Full documentation is being prepared. For now, use get_node_essentials for confi
            tip: `Found ${result.total} templates matching "${query}". Showing ${result.items.length}.`
        };
    }
+    getWorkflowPatterns(category, limit = 10) {
+        if (!this.workflowPatternsCache) {
+            try {
+                const patternsPath = path_1.default.join(__dirname, '..', '..', 'data', 'workflow-patterns.json');
+                if ((0, fs_1.existsSync)(patternsPath)) {
+                    this.workflowPatternsCache = JSON.parse((0, fs_1.readFileSync)(patternsPath, 'utf-8'));
+                }
+                else {
+                    return { error: 'Workflow patterns not generated yet. Run: npm run mine:patterns' };
+                }
+            }
+            catch (e) {
+                return { error: `Failed to load workflow patterns: ${e instanceof Error ? e.message : String(e)}` };
+            }
+        }
+        const patterns = this.workflowPatternsCache;
+        if (category) {
+            const categoryData = patterns.categories[category];
+            if (!categoryData) {
+                const available = Object.keys(patterns.categories);
+                return { error: `Unknown category "${category}". Available: ${available.join(', ')}` };
+            }
+            const MAX_CHAINS = 5;
+            return {
+                category,
+                templateCount: categoryData.templateCount,
+                pattern: categoryData.pattern,
+                nodes: categoryData.nodes?.slice(0, limit).map(n => ({
+                    type: n.type, freq: n.frequency, role: n.role
+                })),
+                chains: categoryData.commonChains?.slice(0, MAX_CHAINS).map(c => ({
+                    path: c.chain.map(t => t.split('.').pop() ?? t), count: c.count, freq: c.frequency
+                })),
+            };
+        }
+        const overview = Object.entries(patterns.categories).map(([name, data]) => ({
+            category: name,
+            templateCount: data.templateCount,
+            pattern: data.pattern,
+            topNodes: data.nodes?.slice(0, 5).map(n => n.displayName || n.type),
+        }));
+        return {
+            templateCount: patterns.templateCount,
+            generatedAt: patterns.generatedAt,
+            categories: overview,
+            tip: 'Use search_templates({searchMode: "patterns", task: "category_name"}) for full pattern data with nodes, chains, and tips.',
+        };
+    }
    async getTemplatesForTask(task, limit = 10, offset = 0) {
        await this.ensureInitialized();
        if (!this.templateService)
--- a/dist/mcp/server.js.map
+++ b/dist/mcp/server.js.map
--- a/dist/mcp/stdio-wrapper.js
+++ b/dist/mcp/stdio-wrapper.js
@@ -29,6 +29,16 @@ console.table = () => { };
 console.clear = () => { };
 console.count = () => { };
 console.countReset = () => { };
+const originalStdoutWrite = process.stdout.write.bind(process.stdout);
+const stderrWrite = process.stderr.write.bind(process.stderr);
+process.stdout.write = function (chunk, encodingOrCallback, callback) {
+    const str = typeof chunk === 'string' ? chunk : chunk.toString();
+    const trimmed = str.trimStart();
+    if (trimmed.startsWith('{') && trimmed.includes('"jsonrpc"')) {
+        return originalStdoutWrite(chunk, encodingOrCallback, callback);
+    }
+    return stderrWrite(chunk, encodingOrCallback, callback);
+};
 const server_1 = require("./server");
 let server = null;
 async function main() {
--- a/dist/mcp/stdio-wrapper.js.map
+++ b/dist/mcp/stdio-wrapper.js.map
@@ -1 +1 @@
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--- a/dist/mcp/tool-docs/discovery/search-nodes.d.ts.map
+++ b/dist/mcp/tool-docs/discovery/search-nodes.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"search-nodes.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/discovery/search-nodes.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,iBAAiB,EAAE,MAAM,UAAU,CAAC;AAE7C,eAAO,MAAM,cAAc,EAAE,iBAiE5B,CAAC"}
+{"version":3,"file":"search-nodes.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/discovery/search-nodes.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,iBAAiB,EAAE,MAAM,UAAU,CAAC;AAE7C,eAAO,MAAM,cAAc,EAAE,iBA+D5B,CAAC"}
--- a/dist/mcp/tool-docs/discovery/search-nodes.js
+++ b/dist/mcp/tool-docs/discovery/search-nodes.js
@@ -6,7 +6,7 @@ exports.searchNodesDoc = {
    category: 'discovery',
    essentials: {
        description: 'Text search across node names and descriptions. Returns most relevant nodes first, with frequently-used nodes (HTTP Request, Webhook, Set, Code, Slack) prioritized in results. Searches all 800+ nodes including 300+ verified community nodes.',
-        keyParameters: ['query', 'mode', 'limit', 'source', 'includeExamples'],
+        keyParameters: ['query', 'mode', 'limit', 'source', 'includeExamples', 'includeOperations'],
        example: 'search_nodes({query: "webhook"})',
        performance: '<20ms even for complex queries',
        tips: [
@@ -15,7 +15,8 @@ exports.searchNodesDoc = {
            'FUZZY mode: Handles typos and spelling errors',
            'Use quotes for exact phrases: "google sheets"',
            'Use source="community" to search only community nodes',
-            'Use source="verified" for verified community nodes only'
+            'Use source="verified" for verified community nodes only',
+            'Use includeOperations=true to get resource/operation trees without a separate get_node call'
        ]
    },
    full: {
@@ -25,20 +26,17 @@ exports.searchNodesDoc = {
            limit: { type: 'number', description: 'Maximum results to return. Default: 20, Max: 100', required: false },
            mode: { type: 'string', description: 'Search mode: "OR" (any word matches, default), "AND" (all words required), "FUZZY" (typo-tolerant)', required: false },
            source: { type: 'string', description: 'Filter by node source: "all" (default, everything), "core" (n8n base nodes only), "community" (community nodes only), "verified" (verified community nodes only)', required: false },
-            includeExamples: { type: 'boolean', description: 'Include top 2 real-world configuration examples from popular templates for each node. Default: false. Adds ~200-400 tokens per node.', required: false }
+            includeExamples: { type: 'boolean', description: 'Include top 2 real-world configuration examples from popular templates for each node. Default: false. Adds ~200-400 tokens per node.', required: false },
+            includeOperations: { type: 'boolean', description: 'Include resource/operation tree per node. Default: false. Adds ~100-300 tokens per result but saves a get_node round-trip. Only returned for nodes with resource/operation patterns — trigger nodes and freeform nodes (Code, HTTP Request) omit this field.', required: false }
        },
        returns: 'Array of node objects sorted by relevance score. Each object contains: nodeType, displayName, description, category, relevance score. For community nodes, also includes: isCommunity (boolean), isVerified (boolean), authorName (string), npmDownloads (number). Common nodes appear first when relevance is similar.',
        examples: [
            'search_nodes({query: "webhook"}) - Returns Webhook node as top result',
-            'search_nodes({query: "database"}) - Returns MySQL, Postgres, MongoDB, Redis, etc.',
            'search_nodes({query: "google sheets", mode: "AND"}) - Requires both words',
            'search_nodes({query: "slak", mode: "FUZZY"}) - Finds Slack despite typo',
-            'search_nodes({query: "http api"}) - Finds HTTP Request, GraphQL, REST nodes',
-            'search_nodes({query: "transform data"}) - Finds Set, Code, Function, Item Lists nodes',
            'search_nodes({query: "scraping", source: "community"}) - Find community scraping nodes',
-            'search_nodes({query: "pdf", source: "verified"}) - Find verified community PDF nodes',
-            'search_nodes({query: "brightdata"}) - Find BrightData community node',
-            'search_nodes({query: "slack", includeExamples: true}) - Get Slack with template examples'
+            'search_nodes({query: "slack", includeExamples: true}) - Get Slack with template examples',
+            'search_nodes({query: "slack", includeOperations: true}) - Get Slack with resource/operation tree (7 resources, 44 ops)'
        ],
        useCases: [
            'Finding nodes when you know partial names',
--- a/dist/mcp/tool-docs/discovery/search-nodes.js.map
+++ b/dist/mcp/tool-docs/discovery/search-nodes.js.map
@@ -1 +1 @@
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+{"version":3,"file":"search-nodes.js","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/discovery/search-nodes.ts"],"names":[],"mappings":";;;AAEa,QAAA,cAAc,GAAsB;IAC/C,IAAI,EAAE,cAAc;IACpB,QAAQ,EAAE,WAAW;IACrB,UAAU,EAAE;QACV,WAAW,EAAE,kPAAkP;QAC/P,aAAa,EAAE,CAAC,OAAO,EAAE,MAAM,EAAE,OAAO,EAAE,QAAQ,EAAE,iBAAiB,EAAE,mBAAmB,CAAC;QAC3F,OAAO,EAAE,kCAAkC;QAC3C,WAAW,EAAE,gCAAgC;QAC7C,IAAI,EAAE;YACJ,4CAA4C;YAC5C,sCAAsC;YACtC,+CAA+C;YAC/C,+CAA+C;YAC/C,uDAAuD;YACvD,yDAAyD;YACzD,6FAA6F;SAC9F;KACF;IACD,IAAI,EAAE;QACJ,WAAW,EAAE,qcAAqc;QACld,UAAU,EAAE;YACV,KAAK,EAAE,EAAE,IAAI,EAAE,QAAQ,EAAE,WAAW,EAAE,oEAAoE,EAAE,QAAQ,EAAE,IAAI,EAAE;YAC5H,KAAK,EAAE,EAAE,IAAI,EAAE,QAAQ,EAAE,WAAW,EAAE,kDAAkD,EAAE,QAAQ,EAAE,KAAK,EAAE;YAC3G,IAAI,EAAE,EAAE,IAAI,EAAE,QAAQ,EAAE,WAAW,EAAE,oGAAoG,EAAE,QAAQ,EAAE,KAAK,EAAE;YAC5J,MAAM,EAAE,EAAE,IAAI,EAAE,QAAQ,EAAE,WAAW,EAAE,kKAAkK,EAAE,QAAQ,EAAE,KAAK,EAAE;YAC5N,eAAe,EAAE,EAAE,IAAI,EAAE,SAAS,EAAE,WAAW,EAAE,sIAAsI,EAAE,QAAQ,EAAE,KAAK,EAAE;YAC1M,iBAAiB,EAAE,EAAE,IAAI,EAAE,SAAS,EAAE,WAAW,EAAE,8PAA8P,EAAE,QAAQ,EAAE,KAAK,EAAE;SACrU;QACD,OAAO,EAAE,yTAAyT;QAClU,QAAQ,EAAE;YACR,uEAAuE;YACvE,2EAA2E;YAC3E,yEAAyE;YACzE,wFAAwF;YACxF,0FAA0F;YAC1F,wHAAwH;SACzH;QACD,QAAQ,EAAE;YACR,2CAA2C;YAC3C,6EAA6E;YAC7E,mCAAmC;YACnC,6EAA6E;YAC7E,0DAA0D;YAC1D,qDAAqD;SACtD;QACD,WAAW,EAAE,uFAAuF;QACpG,aAAa,EAAE;YACb,iDAAiD;YACjD,qDAAqD;YACrD,2CAA2C;YAC3C,oDAAoD;YACpD,wEAAwE;YACxE,wDAAwD;SACzD;QACD,QAAQ,EAAE;YACR,sEAAsE;YACtE,8EAA8E;YAC9E,4CAA4C;YAC5C,2EAA2E;YAC3E,yEAAyE;SAC1E;QACD,YAAY,EAAE,CAAC,mCAAmC,EAAE,4CAA4C,EAAE,uCAAuC,CAAC;KAC3I;CACF,CAAC"}
--- a/dist/mcp/tool-docs/index.d.ts.map
+++ b/dist/mcp/tool-docs/index.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../src/mcp/tool-docs/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,iBAAiB,EAAE,MAAM,SAAS,CAAC;AA6B5C,eAAO,MAAM,kBAAkB,EAAE,MAAM,CAAC,MAAM,EAAE,iBAAiB,CAoChE,CAAC;AAGF,YAAY,EAAE,iBAAiB,EAAE,MAAM,SAAS,CAAC"}
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../src/mcp/tool-docs/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,iBAAiB,EAAE,MAAM,SAAS,CAAC;AAgC5C,eAAO,MAAM,kBAAkB,EAAE,MAAM,CAAC,MAAM,EAAE,iBAAiB,CAuChE,CAAC;AAGF,YAAY,EAAE,iBAAiB,EAAE,MAAM,SAAS,CAAC"}
--- a/dist/mcp/tool-docs/index.js
+++ b/dist/mcp/tool-docs/index.js
@@ -11,6 +11,7 @@ const workflow_management_1 = require("./workflow_management");
 exports.toolsDocumentation = {
    tools_documentation: system_1.toolsDocumentationDoc,
    n8n_health_check: system_1.n8nHealthCheckDoc,
+    n8n_audit_instance: system_1.n8nAuditInstanceDoc,
    ai_agents_guide: guides_1.aiAgentsGuide,
    search_nodes: discovery_1.searchNodesDoc,
    get_node: configuration_1.getNodeDoc,
@@ -30,6 +31,8 @@ exports.toolsDocumentation = {
    n8n_executions: workflow_management_1.n8nExecutionsDoc,
    n8n_workflow_versions: workflow_management_1.n8nWorkflowVersionsDoc,
    n8n_deploy_template: workflow_management_1.n8nDeployTemplateDoc,
-    n8n_manage_datatable: workflow_management_1.n8nManageDatatableDoc
+    n8n_manage_datatable: workflow_management_1.n8nManageDatatableDoc,
+    n8n_generate_workflow: workflow_management_1.n8nGenerateWorkflowDoc,
+    n8n_manage_credentials: workflow_management_1.n8nManageCredentialsDoc
 };
 //# sourceMappingURL=index.js.map
--- a/dist/mcp/tool-docs/index.js.map
+++ b/dist/mcp/tool-docs/index.js.map
@@ -1 +1 @@
-{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../src/mcp/tool-docs/index.ts"],"names":[],"mappings":";;;AAGA,2CAA6C;AAC7C,mDAA6C;AAC7C,6CAAoE;AACpE,2CAAiE;AACjE,qCAGkB;AAClB,qCAAyC;AACzC,+DAc+B;AAGlB,QAAA,kBAAkB,GAAsC;IAEnE,mBAAmB,EAAE,8BAAqB;IAC1C,gBAAgB,EAAE,0BAAiB;IAGnC,eAAe,EAAE,sBAAa;IAG9B,YAAY,EAAE,0BAAc;IAG5B,QAAQ,EAAE,0BAAU;IAGpB,aAAa,EAAE,4BAAe;IAC9B,iBAAiB,EAAE,gCAAmB;IAGtC,YAAY,EAAE,0BAAc;IAC5B,gBAAgB,EAAE,8BAAkB;IAGpC,mBAAmB,EAAE,0CAAoB;IACzC,gBAAgB,EAAE,uCAAiB;IACnC,wBAAwB,EAAE,8CAAwB;IAClD,2BAA2B,EAAE,iDAA2B;IACxD,mBAAmB,EAAE,0CAAoB;IACzC,kBAAkB,EAAE,yCAAmB;IACvC,qBAAqB,EAAE,4CAAsB;IAC7C,oBAAoB,EAAE,2CAAqB;IAC3C,iBAAiB,EAAE,wCAAkB;IACrC,cAAc,EAAE,sCAAgB;IAChC,qBAAqB,EAAE,4CAAsB;IAC7C,mBAAmB,EAAE,0CAAoB;IACzC,oBAAoB,EAAE,2CAAqB;CAC5C,CAAC"}
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../src/mcp/tool-docs/index.ts"],"names":[],"mappings":";;;AAGA,2CAA6C;AAC7C,mDAA6C;AAC7C,6CAAoE;AACpE,2CAAiE;AACjE,qCAIkB;AAClB,qCAAyC;AACzC,+DAgB+B;AAGlB,QAAA,kBAAkB,GAAsC;IAEnE,mBAAmB,EAAE,8BAAqB;IAC1C,gBAAgB,EAAE,0BAAiB;IACnC,kBAAkB,EAAE,4BAAmB;IAGvC,eAAe,EAAE,sBAAa;IAG9B,YAAY,EAAE,0BAAc;IAG5B,QAAQ,EAAE,0BAAU;IAGpB,aAAa,EAAE,4BAAe;IAC9B,iBAAiB,EAAE,gCAAmB;IAGtC,YAAY,EAAE,0BAAc;IAC5B,gBAAgB,EAAE,8BAAkB;IAGpC,mBAAmB,EAAE,0CAAoB;IACzC,gBAAgB,EAAE,uCAAiB;IACnC,wBAAwB,EAAE,8CAAwB;IAClD,2BAA2B,EAAE,iDAA2B;IACxD,mBAAmB,EAAE,0CAAoB;IACzC,kBAAkB,EAAE,yCAAmB;IACvC,qBAAqB,EAAE,4CAAsB;IAC7C,oBAAoB,EAAE,2CAAqB;IAC3C,iBAAiB,EAAE,wCAAkB;IACrC,cAAc,EAAE,sCAAgB;IAChC,qBAAqB,EAAE,4CAAsB;IAC7C,mBAAmB,EAAE,0CAAoB;IACzC,oBAAoB,EAAE,2CAAqB;IAC3C,qBAAqB,EAAE,4CAAsB;IAC7C,sBAAsB,EAAE,6CAAuB;CAChD,CAAC"}
--- a/dist/mcp/tool-docs/system/index.d.ts
+++ b/dist/mcp/tool-docs/system/index.d.ts
@@ -1,3 +1,4 @@
 export { toolsDocumentationDoc } from './tools-documentation';
 export { n8nHealthCheckDoc } from './n8n-health-check';
+export { n8nAuditInstanceDoc } from './n8n-audit-instance';
 //# sourceMappingURL=index.d.ts.map
--- a/dist/mcp/tool-docs/system/index.d.ts.map
+++ b/dist/mcp/tool-docs/system/index.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/system/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,qBAAqB,EAAE,MAAM,uBAAuB,CAAC;AAC9D,OAAO,EAAE,iBAAiB,EAAE,MAAM,oBAAoB,CAAC"}
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/system/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,qBAAqB,EAAE,MAAM,uBAAuB,CAAC;AAC9D,OAAO,EAAE,iBAAiB,EAAE,MAAM,oBAAoB,CAAC;AACvD,OAAO,EAAE,mBAAmB,EAAE,MAAM,sBAAsB,CAAC"}
--- a/dist/mcp/tool-docs/system/index.js
+++ b/dist/mcp/tool-docs/system/index.js
@@ -1,8 +1,10 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.n8nHealthCheckDoc = exports.toolsDocumentationDoc = void 0;
+exports.n8nAuditInstanceDoc = exports.n8nHealthCheckDoc = exports.toolsDocumentationDoc = void 0;
 var tools_documentation_1 = require("./tools-documentation");
 Object.defineProperty(exports, "toolsDocumentationDoc", { enumerable: true, get: function () { return tools_documentation_1.toolsDocumentationDoc; } });
 var n8n_health_check_1 = require("./n8n-health-check");
 Object.defineProperty(exports, "n8nHealthCheckDoc", { enumerable: true, get: function () { return n8n_health_check_1.n8nHealthCheckDoc; } });
+var n8n_audit_instance_1 = require("./n8n-audit-instance");
+Object.defineProperty(exports, "n8nAuditInstanceDoc", { enumerable: true, get: function () { return n8n_audit_instance_1.n8nAuditInstanceDoc; } });
 //# sourceMappingURL=index.js.map
--- a/dist/mcp/tool-docs/system/index.js.map
+++ b/dist/mcp/tool-docs/system/index.js.map
@@ -1 +1 @@
-{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/system/index.ts"],"names":[],"mappings":";;;AAAA,6DAA8D;AAArD,4HAAA,qBAAqB,OAAA;AAC9B,uDAAuD;AAA9C,qHAAA,iBAAiB,OAAA"}
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/system/index.ts"],"names":[],"mappings":";;;AAAA,6DAA8D;AAArD,4HAAA,qBAAqB,OAAA;AAC9B,uDAAuD;AAA9C,qHAAA,iBAAiB,OAAA;AAC1B,2DAA2D;AAAlD,yHAAA,mBAAmB,OAAA"}
--- a/dist/mcp/tool-docs/templates/search-templates.d.ts.map
+++ b/dist/mcp/tool-docs/templates/search-templates.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"search-templates.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/templates/search-templates.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,iBAAiB,EAAE,MAAM,UAAU,CAAC;AAE7C,eAAO,MAAM,kBAAkB,EAAE,iBA0IhC,CAAC"}
+{"version":3,"file":"search-templates.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/templates/search-templates.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,iBAAiB,EAAE,MAAM,UAAU,CAAC;AAE7C,eAAO,MAAM,kBAAkB,EAAE,iBAoJhC,CAAC"}
--- a/dist/mcp/tool-docs/templates/search-templates.js
+++ b/dist/mcp/tool-docs/templates/search-templates.js
@@ -5,7 +5,7 @@ exports.searchTemplatesDoc = {
    name: 'search_templates',
    category: 'templates',
    essentials: {
-        description: 'Unified template search with multiple modes: keyword search, by node types, by task type, or by metadata. 2,700+ templates available.',
+        description: 'Unified template search with multiple modes: keyword search, by node types, by task type, by metadata, or patterns. 2,700+ templates available.',
        keyParameters: ['searchMode', 'query', 'nodeTypes', 'task', 'limit'],
        example: 'search_templates({searchMode: "by_task", task: "webhook_processing"})',
        performance: 'Fast (<100ms) - FTS5 full-text search',
@@ -13,7 +13,9 @@ exports.searchTemplatesDoc = {
            'searchMode="keyword" (default): Search by name/description',
            'searchMode="by_nodes": Find templates using specific nodes',
            'searchMode="by_task": Get curated templates for common tasks',
-            'searchMode="by_metadata": Filter by complexity, services, audience'
+            'searchMode="by_metadata": Filter by complexity, services, audience',
+            'searchMode="patterns": Workflow pattern summaries across 10 task categories',
+            'patterns without task: overview of all categories. patterns with task: node frequencies + connection chains'
        ]
    },
    full: {
@@ -22,14 +24,15 @@ exports.searchTemplatesDoc = {
 - by_nodes: Find templates that use specific node types
 - by_task: Get curated templates for predefined task categories
 - by_metadata: Filter by complexity, setup time, required services, or target audience
+- patterns: Lightweight workflow pattern summaries mined from 2,700+ templates

-**Available Task Types (for searchMode="by_task"):**
+**Available Task Types (for searchMode="by_task" and "patterns"):**
 ai_automation, data_sync, webhook_processing, email_automation, slack_integration, data_transformation, file_processing, scheduling, api_integration, database_operations`,
        parameters: {
            searchMode: {
                type: 'string',
                required: false,
-                description: 'Search mode: "keyword" (default), "by_nodes", "by_task", "by_metadata"'
+                description: 'Search mode: "keyword" (default), "by_nodes", "by_task", "by_metadata", "patterns"'
            },
            query: {
                type: 'string',
@@ -44,7 +47,7 @@ ai_automation, data_sync, webhook_processing, email_automation, slack_integratio
            task: {
                type: 'string',
                required: false,
-                description: 'For searchMode=by_task: Task type (ai_automation, data_sync, webhook_processing, email_automation, slack_integration, data_transformation, file_processing, scheduling, api_integration, database_operations)'
+                description: 'For searchMode=by_task: Task type. For searchMode=patterns: optional category filter (omit for overview of all categories). Values: ai_automation, data_sync, webhook_processing, email_automation, slack_integration, data_transformation, file_processing, scheduling, api_integration, database_operations'
            },
            complexity: {
                type: 'string',
@@ -92,38 +95,45 @@ ai_automation, data_sync, webhook_processing, email_automation, slack_integratio
                description: 'Pagination offset (default 0)'
            }
        },
-        returns: `Returns an object containing:
+        returns: `For keyword/by_nodes/by_task/by_metadata modes:
 - templates: Array of matching templates
  - id: Template ID for get_template()
-  - name: Template name
-  - description: What the workflow does
-  - author: Creator information
-  - nodes: Array of node types used
-  - views: Popularity metric
-  - created: Creation date
-  - url: Link to template
-  - metadata: AI-generated metadata (complexity, services, etc.)
+  - name, description, author, nodes, views, created, url, metadata
 - totalFound: Total matching templates
- searchMode: The mode used`,
+- searchMode: The mode used
+
+For patterns mode (no task):
+- templateCount, generatedAt
+- categories: Array of {category, templateCount, pattern, topNodes}
+- tip: How to drill into a specific category
+
+For patterns mode (with task):
+- category, templateCount, pattern
+- nodes: Array of {type, freq, role} (top nodes by frequency, limited by 'limit')
+- chains: Array of {path, count, freq} (top 5 connection chains, short node names)`,
        examples: [
            '// Keyword search (default)\nsearch_templates({query: "chatbot"})',
            '// Find templates using specific nodes\nsearch_templates({searchMode: "by_nodes", nodeTypes: ["n8n-nodes-base.httpRequest", "n8n-nodes-base.slack"]})',
            '// Get templates for a task type\nsearch_templates({searchMode: "by_task", task: "webhook_processing"})',
            '// Filter by metadata\nsearch_templates({searchMode: "by_metadata", complexity: "simple", requiredService: "openai"})',
-            '// Combine metadata filters\nsearch_templates({searchMode: "by_metadata", maxSetupMinutes: 30, targetAudience: "developers"})'
+            '// Combine metadata filters\nsearch_templates({searchMode: "by_metadata", maxSetupMinutes: 30, targetAudience: "developers"})',
+            '// Pattern overview — all categories with top nodes (~550 tokens)\nsearch_templates({searchMode: "patterns"})',
+            '// Detailed patterns for a category — node frequencies + connection chains\nsearch_templates({searchMode: "patterns", task: "ai_automation"})'
        ],
        useCases: [
            'Find workflows by business purpose (keyword search)',
            'Find templates using specific integrations (by_nodes)',
            'Get pre-built solutions for common tasks (by_task)',
            'Filter by complexity for team skill level (by_metadata)',
-            'Find templates requiring specific services (by_metadata)'
+            'Understand common workflow shapes before building (patterns)',
+            'Architecture planning — which nodes go together (patterns)'
        ],
        performance: `Fast performance across all modes:
 - keyword: <50ms with FTS5 indexing
 - by_nodes: <100ms with indexed lookups
 - by_task: <50ms from curated cache
- by_metadata: <100ms with filtered queries`,
+- by_metadata: <100ms with filtered queries
+- patterns: <10ms (pre-mined, cached in memory)`,
        bestPractices: [
            'Use searchMode="by_task" for common automation patterns',
            'Use searchMode="by_nodes" when you know which integrations you need',
--- a/dist/mcp/tool-docs/templates/search-templates.js.map
+++ b/dist/mcp/tool-docs/templates/search-templates.js.map
@@ -1 +1 @@
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+{"version":3,"file":"search-templates.js","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/templates/search-templates.ts"],"names":[],"mappings":";;;AAEa,QAAA,kBAAkB,GAAsB;IACnD,IAAI,EAAE,kBAAkB;IACxB,QAAQ,EAAE,WAAW;IACrB,UAAU,EAAE;QACV,WAAW,EAAE,iJAAiJ;QAC9J,aAAa,EAAE,CAAC,YAAY,EAAE,OAAO,EAAE,WAAW,EAAE,MAAM,EAAE,OAAO,CAAC;QACpE,OAAO,EAAE,uEAAuE;QAChF,WAAW,EAAE,uCAAuC;QACpD,IAAI,EAAE;YACJ,4DAA4D;YAC5D,4DAA4D;YAC5D,8DAA8D;YAC9D,oEAAoE;YACpE,6EAA6E;YAC7E,6GAA6G;SAC9G;KACF;IACD,IAAI,EAAE;QACJ,WAAW,EAAE;;;;;;;;0KAQyJ;QACtK,UAAU,EAAE;YACV,UAAU,EAAE;gBACV,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,oFAAoF;aAClG;YACD,KAAK,EAAE;gBACL,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,yEAAyE;aACvF;YACD,SAAS,EAAE;gBACT,IAAI,EAAE,OAAO;gBACb,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,6GAA6G;aAC3H;YACD,IAAI,EAAE;gBACJ,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,+SAA+S;aAC7T;YACD,UAAU,EAAE;gBACV,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,kFAAkF;aAChG;YACD,eAAe,EAAE;gBACf,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,mEAAmE;aACjF;YACD,eAAe,EAAE;gBACf,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,mEAAmE;aACjF;YACD,eAAe,EAAE;gBACf,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,4FAA4F;aAC1G;YACD,cAAc,EAAE;gBACd,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,yFAAyF;aACvG;YACD,QAAQ,EAAE;gBACR,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,oFAAoF;aAClG;YACD,MAAM,EAAE;gBACN,IAAI,EAAE,OAAO;gBACb,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,iHAAiH;aAC/H;YACD,KAAK,EAAE;gBACL,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,uCAAuC;aACrD;YACD,MAAM,EAAE;gBACN,IAAI,EAAE,QAAQ;gBACd,QAAQ,EAAE,KAAK;gBACf,WAAW,EAAE,+BAA+B;aAC7C;SACF;QACD,OAAO,EAAE;;;;;;;;;;;;;;;mFAesE;QAC/E,QAAQ,EAAE;YACR,mEAAmE;YACnE,uJAAuJ;YACvJ,yGAAyG;YACzG,uHAAuH;YACvH,+HAA+H;YAC/H,+GAA+G;YAC/G,+IAA+I;SAChJ;QACD,QAAQ,EAAE;YACR,qDAAqD;YACrD,uDAAuD;YACvD,oDAAoD;YACpD,yDAAyD;YACzD,8DAA8D;YAC9D,4DAA4D;SAC7D;QACD,WAAW,EAAE;;;;;gDAK+B;QAC5C,aAAa,EAAE;YACb,yDAAyD;YACzD,qEAAqE;YACrE,gDAAgD;YAChD,kDAAkD;YAClD,oDAAoD;SACrD;QACD,QAAQ,EAAE;YACR,kEAAkE;YAClE,mEAAmE;YACnE,8CAA8C;YAC9C,0CAA0C;SAC3C;QACD,YAAY,EAAE,CAAC,cAAc,EAAE,cAAc,EAAE,mBAAmB,CAAC;KACpE;CACF,CAAC"}
--- a/dist/mcp/tool-docs/workflow_management/index.d.ts
+++ b/dist/mcp/tool-docs/workflow_management/index.d.ts
@@ -11,4 +11,6 @@ export { n8nExecutionsDoc } from './n8n-executions';
 export { n8nWorkflowVersionsDoc } from './n8n-workflow-versions';
 export { n8nDeployTemplateDoc } from './n8n-deploy-template';
 export { n8nManageDatatableDoc } from './n8n-manage-datatable';
+export { n8nGenerateWorkflowDoc } from './n8n-generate-workflow';
+export { n8nManageCredentialsDoc } from './n8n-manage-credentials';
 //# sourceMappingURL=index.d.ts.map
--- a/dist/mcp/tool-docs/workflow_management/index.d.ts.map
+++ b/dist/mcp/tool-docs/workflow_management/index.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/workflow_management/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,oBAAoB,EAAE,MAAM,uBAAuB,CAAC;AAC7D,OAAO,EAAE,iBAAiB,EAAE,MAAM,oBAAoB,CAAC;AACvD,OAAO,EAAE,wBAAwB,EAAE,MAAM,4BAA4B,CAAC;AACtE,OAAO,EAAE,2BAA2B,EAAE,MAAM,+BAA+B,CAAC;AAC5E,OAAO,EAAE,oBAAoB,EAAE,MAAM,uBAAuB,CAAC;AAC7D,OAAO,EAAE,mBAAmB,EAAE,MAAM,sBAAsB,CAAC;AAC3D,OAAO,EAAE,sBAAsB,EAAE,MAAM,yBAAyB,CAAC;AACjE,OAAO,EAAE,qBAAqB,EAAE,MAAM,wBAAwB,CAAC;AAC/D,OAAO,EAAE,kBAAkB,EAAE,MAAM,qBAAqB,CAAC;AACzD,OAAO,EAAE,gBAAgB,EAAE,MAAM,kBAAkB,CAAC;AACpD,OAAO,EAAE,sBAAsB,EAAE,MAAM,yBAAyB,CAAC;AACjE,OAAO,EAAE,oBAAoB,EAAE,MAAM,uBAAuB,CAAC;AAC7D,OAAO,EAAE,qBAAqB,EAAE,MAAM,wBAAwB,CAAC"}
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/workflow_management/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,oBAAoB,EAAE,MAAM,uBAAuB,CAAC;AAC7D,OAAO,EAAE,iBAAiB,EAAE,MAAM,oBAAoB,CAAC;AACvD,OAAO,EAAE,wBAAwB,EAAE,MAAM,4BAA4B,CAAC;AACtE,OAAO,EAAE,2BAA2B,EAAE,MAAM,+BAA+B,CAAC;AAC5E,OAAO,EAAE,oBAAoB,EAAE,MAAM,uBAAuB,CAAC;AAC7D,OAAO,EAAE,mBAAmB,EAAE,MAAM,sBAAsB,CAAC;AAC3D,OAAO,EAAE,sBAAsB,EAAE,MAAM,yBAAyB,CAAC;AACjE,OAAO,EAAE,qBAAqB,EAAE,MAAM,wBAAwB,CAAC;AAC/D,OAAO,EAAE,kBAAkB,EAAE,MAAM,qBAAqB,CAAC;AACzD,OAAO,EAAE,gBAAgB,EAAE,MAAM,kBAAkB,CAAC;AACpD,OAAO,EAAE,sBAAsB,EAAE,MAAM,yBAAyB,CAAC;AACjE,OAAO,EAAE,oBAAoB,EAAE,MAAM,uBAAuB,CAAC;AAC7D,OAAO,EAAE,qBAAqB,EAAE,MAAM,wBAAwB,CAAC;AAC/D,OAAO,EAAE,sBAAsB,EAAE,MAAM,yBAAyB,CAAC;AACjE,OAAO,EAAE,uBAAuB,EAAE,MAAM,0BAA0B,CAAC"}
--- a/dist/mcp/tool-docs/workflow_management/index.js
+++ b/dist/mcp/tool-docs/workflow_management/index.js
@@ -1,6 +1,6 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.n8nManageDatatableDoc = exports.n8nDeployTemplateDoc = exports.n8nWorkflowVersionsDoc = exports.n8nExecutionsDoc = exports.n8nTestWorkflowDoc = exports.n8nAutofixWorkflowDoc = exports.n8nValidateWorkflowDoc = exports.n8nListWorkflowsDoc = exports.n8nDeleteWorkflowDoc = exports.n8nUpdatePartialWorkflowDoc = exports.n8nUpdateFullWorkflowDoc = exports.n8nGetWorkflowDoc = exports.n8nCreateWorkflowDoc = void 0;
+exports.n8nManageCredentialsDoc = exports.n8nGenerateWorkflowDoc = exports.n8nManageDatatableDoc = exports.n8nDeployTemplateDoc = exports.n8nWorkflowVersionsDoc = exports.n8nExecutionsDoc = exports.n8nTestWorkflowDoc = exports.n8nAutofixWorkflowDoc = exports.n8nValidateWorkflowDoc = exports.n8nListWorkflowsDoc = exports.n8nDeleteWorkflowDoc = exports.n8nUpdatePartialWorkflowDoc = exports.n8nUpdateFullWorkflowDoc = exports.n8nGetWorkflowDoc = exports.n8nCreateWorkflowDoc = void 0;
 var n8n_create_workflow_1 = require("./n8n-create-workflow");
 Object.defineProperty(exports, "n8nCreateWorkflowDoc", { enumerable: true, get: function () { return n8n_create_workflow_1.n8nCreateWorkflowDoc; } });
 var n8n_get_workflow_1 = require("./n8n-get-workflow");
@@ -27,4 +27,8 @@ var n8n_deploy_template_1 = require("./n8n-deploy-template");
 Object.defineProperty(exports, "n8nDeployTemplateDoc", { enumerable: true, get: function () { return n8n_deploy_template_1.n8nDeployTemplateDoc; } });
 var n8n_manage_datatable_1 = require("./n8n-manage-datatable");
 Object.defineProperty(exports, "n8nManageDatatableDoc", { enumerable: true, get: function () { return n8n_manage_datatable_1.n8nManageDatatableDoc; } });
+var n8n_generate_workflow_1 = require("./n8n-generate-workflow");
+Object.defineProperty(exports, "n8nGenerateWorkflowDoc", { enumerable: true, get: function () { return n8n_generate_workflow_1.n8nGenerateWorkflowDoc; } });
+var n8n_manage_credentials_1 = require("./n8n-manage-credentials");
+Object.defineProperty(exports, "n8nManageCredentialsDoc", { enumerable: true, get: function () { return n8n_manage_credentials_1.n8nManageCredentialsDoc; } });
 //# sourceMappingURL=index.js.map
--- a/dist/mcp/tool-docs/workflow_management/index.js.map
+++ b/dist/mcp/tool-docs/workflow_management/index.js.map
@@ -1 +1 @@
-{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/workflow_management/index.ts"],"names":[],"mappings":";;;AAAA,6DAA6D;AAApD,2HAAA,oBAAoB,OAAA;AAC7B,uDAAuD;AAA9C,qHAAA,iBAAiB,OAAA;AAC1B,uEAAsE;AAA7D,oIAAA,wBAAwB,OAAA;AACjC,6EAA4E;AAAnE,0IAAA,2BAA2B,OAAA;AACpC,6DAA6D;AAApD,2HAAA,oBAAoB,OAAA;AAC7B,2DAA2D;AAAlD,yHAAA,mBAAmB,OAAA;AAC5B,iEAAiE;AAAxD,+HAAA,sBAAsB,OAAA;AAC/B,+DAA+D;AAAtD,6HAAA,qBAAqB,OAAA;AAC9B,yDAAyD;AAAhD,uHAAA,kBAAkB,OAAA;AAC3B,mDAAoD;AAA3C,kHAAA,gBAAgB,OAAA;AACzB,iEAAiE;AAAxD,+HAAA,sBAAsB,OAAA;AAC/B,6DAA6D;AAApD,2HAAA,oBAAoB,OAAA;AAC7B,+DAA+D;AAAtD,6HAAA,qBAAqB,OAAA"}
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/workflow_management/index.ts"],"names":[],"mappings":";;;AAAA,6DAA6D;AAApD,2HAAA,oBAAoB,OAAA;AAC7B,uDAAuD;AAA9C,qHAAA,iBAAiB,OAAA;AAC1B,uEAAsE;AAA7D,oIAAA,wBAAwB,OAAA;AACjC,6EAA4E;AAAnE,0IAAA,2BAA2B,OAAA;AACpC,6DAA6D;AAApD,2HAAA,oBAAoB,OAAA;AAC7B,2DAA2D;AAAlD,yHAAA,mBAAmB,OAAA;AAC5B,iEAAiE;AAAxD,+HAAA,sBAAsB,OAAA;AAC/B,+DAA+D;AAAtD,6HAAA,qBAAqB,OAAA;AAC9B,yDAAyD;AAAhD,uHAAA,kBAAkB,OAAA;AAC3B,mDAAoD;AAA3C,kHAAA,gBAAgB,OAAA;AACzB,iEAAiE;AAAxD,+HAAA,sBAAsB,OAAA;AAC/B,6DAA6D;AAApD,2HAAA,oBAAoB,OAAA;AAC7B,+DAA+D;AAAtD,6HAAA,qBAAqB,OAAA;AAC9B,iEAAiE;AAAxD,+HAAA,sBAAsB,OAAA;AAC/B,mEAAmE;AAA1D,iIAAA,uBAAuB,OAAA"}
--- a/dist/mcp/tool-docs/workflow_management/n8n-update-partial-workflow.d.ts.map
+++ b/dist/mcp/tool-docs/workflow_management/n8n-update-partial-workflow.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"n8n-update-partial-workflow.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/workflow_management/n8n-update-partial-workflow.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,iBAAiB,EAAE,MAAM,UAAU,CAAC;AAE7C,eAAO,MAAM,2BAA2B,EAAE,iBA2azC,CAAC"}
+{"version":3,"file":"n8n-update-partial-workflow.d.ts","sourceRoot":"","sources":["../../../../src/mcp/tool-docs/workflow_management/n8n-update-partial-workflow.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,iBAAiB,EAAE,MAAM,UAAU,CAAC;AAE7C,eAAO,MAAM,2BAA2B,EAAE,iBA0bzC,CAAC"}
--- a/dist/mcp/tool-docs/workflow_management/n8n-update-partial-workflow.js
+++ b/dist/mcp/tool-docs/workflow_management/n8n-update-partial-workflow.js
@@ -5,7 +5,7 @@ exports.n8nUpdatePartialWorkflowDoc = {
    name: 'n8n_update_partial_workflow',
    category: 'workflow_management',
    essentials: {
-        description: 'Update workflow incrementally with diff operations. Types: addNode, removeNode, updateNode, moveNode, enable/disableNode, addConnection, removeConnection, rewireConnection, cleanStaleConnections, replaceConnections, updateSettings, updateName, add/removeTag, activateWorkflow, deactivateWorkflow, transferWorkflow. Supports smart parameters (branch, case) for multi-output nodes. Full support for AI connections (ai_languageModel, ai_tool, ai_memory, ai_embedding, ai_vectorStore, ai_document, ai_textSplitter, ai_outputParser).',
+        description: 'Update workflow incrementally with diff operations. Types: addNode, removeNode, updateNode, patchNodeField, moveNode, enable/disableNode, addConnection, removeConnection, rewireConnection, cleanStaleConnections, replaceConnections, updateSettings, updateName, add/removeTag, activateWorkflow, deactivateWorkflow, transferWorkflow. Supports smart parameters (branch, case) for multi-output nodes. Full support for AI connections (ai_languageModel, ai_tool, ai_memory, ai_embedding, ai_vectorStore, ai_document, ai_textSplitter, ai_outputParser).',
        keyParameters: ['id', 'operations', 'continueOnError'],
        example: 'n8n_update_partial_workflow({id: "wf_123", operations: [{type: "rewireConnection", source: "IF", from: "Old", to: "New", branch: "true"}]})',
        performance: 'Fast (50-200ms)',
@@ -28,14 +28,15 @@ exports.n8nUpdatePartialWorkflowDoc = {
        ]
    },
    full: {
-        description: `Updates workflows using surgical diff operations instead of full replacement. Supports 17 operation types for precise modifications. Operations are validated and applied atomically by default - all succeed or none are applied.
+        description: `Updates workflows using surgical diff operations instead of full replacement. Supports 18 operation types for precise modifications. Operations are validated and applied atomically by default - all succeed or none are applied.

 ## Available Operations:

-### Node Operations (6 types):
+### Node Operations (7 types):
 - **addNode**: Add a new node with name, type, and position (required)
 - **removeNode**: Remove a node by ID or name
 - **updateNode**: Update node properties using dot notation (e.g., 'parameters.url')
+- **patchNodeField**: Surgically edit string fields using find/replace patches. Strict mode: errors if find string not found, errors if multiple matches (ambiguity) unless replaceAll is set. Supports replaceAll and regex flags.
 - **moveNode**: Change node position [x, y]
 - **enableNode**: Enable a disabled node
 - **disableNode**: Disable an active node
@@ -336,6 +337,11 @@ n8n_update_partial_workflow({
            '// Validate before applying\nn8n_update_partial_workflow({id: "bcd", operations: [{type: "removeNode", nodeName: "Old Process"}], validateOnly: true})',
            '// Surgically edit code using __patch_find_replace (avoids replacing entire code block)\nn8n_update_partial_workflow({id: "pfr1", operations: [{type: "updateNode", nodeName: "Code", updates: {"parameters.jsCode": {"__patch_find_replace": [{"find": "const limit = 10;", "replace": "const limit = 50;"}]}}}]})',
            '// Multiple sequential patches on the same property\nn8n_update_partial_workflow({id: "pfr2", operations: [{type: "updateNode", nodeName: "Code", updates: {"parameters.jsCode": {"__patch_find_replace": [{"find": "api.old-domain.com", "replace": "api.new-domain.com"}, {"find": "Authorization: Bearer old_token", "replace": "Authorization: Bearer new_token"}]}}}]})',
+            '\n// ============ PATCHNODEFIELD EXAMPLES (strict find/replace) ============',
+            '// Surgical code edit with patchNodeField (errors if not found)\nn8n_update_partial_workflow({id: "pnf1", operations: [{type: "patchNodeField", nodeName: "Code", fieldPath: "parameters.jsCode", patches: [{find: "const limit = 10;", replace: "const limit = 50;"}]}]})',
+            '// Replace all occurrences of a string\nn8n_update_partial_workflow({id: "pnf2", operations: [{type: "patchNodeField", nodeName: "Code", fieldPath: "parameters.jsCode", patches: [{find: "api.old.com", replace: "api.new.com", replaceAll: true}]}]})',
+            '// Multiple sequential patches\nn8n_update_partial_workflow({id: "pnf3", operations: [{type: "patchNodeField", nodeName: "Set Email", fieldPath: "parameters.assignments.assignments.6.value", patches: [{find: "© 2025 n8n-mcp", replace: "© 2026 n8n-mcp"}, {find: "<p>Unsubscribe</p>", replace: ""}]}]})',
+            '// Regex-based replacement\nn8n_update_partial_workflow({id: "pnf4", operations: [{type: "patchNodeField", nodeName: "Code", fieldPath: "parameters.jsCode", patches: [{find: "const\\\\s+limit\\\\s*=\\\\s*\\\\d+", replace: "const limit = 100", regex: true}]}]})',
            '\n// ============ AI CONNECTION EXAMPLES ============',
            '// Connect language model to AI Agent\nn8n_update_partial_workflow({id: "ai1", operations: [{type: "addConnection", source: "OpenAI Chat Model", target: "AI Agent", sourceOutput: "ai_languageModel"}]})',
            '// Connect tool to AI Agent\nn8n_update_partial_workflow({id: "ai2", operations: [{type: "addConnection", source: "HTTP Request Tool", target: "AI Agent", sourceOutput: "ai_tool"}]})',
@@ -374,7 +380,10 @@ n8n_update_partial_workflow({
            'Configure Vector Store retrieval systems',
            'Swap language models in existing AI workflows',
            'Batch-update AI tool connections',
-            'Transfer workflows between team projects (enterprise)'
+            'Transfer workflows between team projects (enterprise)',
+            'Surgical string edits in email templates, code, or JSON bodies (patchNodeField)',
+            'Fix typos or update URLs in large HTML content without re-transmitting the full string',
+            'Bulk find/replace across node field content (replaceAll flag)'
        ],
        performance: 'Very fast - typically 50-200ms. Much faster than full updates as only changes are processed.',
        bestPractices: [
@@ -397,7 +406,10 @@ n8n_update_partial_workflow({
            'To remove properties, set them to null in the updates object',
            'When migrating from deprecated properties, remove the old property and add the new one in the same operation',
            'Use null to resolve mutual exclusivity validation errors between properties',
-            'Batch multiple property removals in a single updateNode operation for efficiency'
+            'Batch multiple property removals in a single updateNode operation for efficiency',
+            'Prefer patchNodeField over __patch_find_replace for strict error handling — patchNodeField errors on not-found and detects ambiguous matches',
+            'Use replaceAll: true in patchNodeField when you want to replace all occurrences of a string',
+            'Use regex: true in patchNodeField for pattern-based replacements (e.g., whitespace-insensitive matching)'
        ],
        pitfalls: [
            '**REQUIRES N8N_API_URL and N8N_API_KEY environment variables** - will not work without n8n API access',
@@ -420,6 +432,9 @@ n8n_update_partial_workflow({
            '**Corrupted workflows beyond repair**: Workflows in paradoxical states (API returns corrupt, API rejects updates) cannot be fixed via API - must be recreated',
            '**__patch_find_replace for code edits**: Instead of replacing entire code blocks, use `{"parameters.jsCode": {"__patch_find_replace": [{"find": "old text", "replace": "new text"}]}}` to surgically edit string properties',
            '__patch_find_replace replaces the FIRST occurrence of each find string. Patches are applied sequentially — order matters',
+            '**patchNodeField is strict**: it ERRORS if the find string is not found (unlike __patch_find_replace which only warns)',
+            '**patchNodeField detects ambiguity**: if find matches multiple times, it ERRORS unless replaceAll: true is set',
+            'When using regex: true in patchNodeField, escape special regex characters (., *, +, etc.) if you want literal matching',
            'To remove a property, set it to null in the updates object',
            'When properties are mutually exclusive (e.g., continueOnFail and onError), setting only the new property will fail - you must remove the old one with null',
            'Removing a required property may cause validation errors - check node documentation first',
--- a/dist/mcp/tool-docs/workflow_management/n8n-update-partial-workflow.js.map
+++ b/dist/mcp/tool-docs/workflow_management/n8n-update-partial-workflow.js.map
@@ -1 +1 @@
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--- a/dist/mcp/tools-documentation.d.ts.map
+++ b/dist/mcp/tools-documentation.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"tools-documentation.d.ts","sourceRoot":"","sources":["../../src/mcp/tools-documentation.ts"],"names":[],"mappings":"AAEA,wBAAgB,oBAAoB,CAAC,QAAQ,EAAE,MAAM,EAAE,KAAK,GAAE,YAAY,GAAG,MAAqB,GAAG,MAAM,CA+D1G;AAED,wBAAgB,gBAAgB,CAAC,KAAK,GAAE,YAAY,GAAG,MAAqB,GAAG,MAAM,CAsHpF;AAED,wBAAgB,uBAAuB,CAAC,OAAO,EAAE,MAAM,GAAG,MAAM,EAAE,CAWjE;AAED,wBAAgB,kBAAkB,CAAC,QAAQ,EAAE,MAAM,GAAG,MAAM,EAAE,CAI7D;AAED,wBAAgB,gBAAgB,IAAI,MAAM,EAAE,CAM3C"}
+{"version":3,"file":"tools-documentation.d.ts","sourceRoot":"","sources":["../../src/mcp/tools-documentation.ts"],"names":[],"mappings":"AAEA,wBAAgB,oBAAoB,CAAC,QAAQ,EAAE,MAAM,EAAE,KAAK,GAAE,YAAY,GAAG,MAAqB,GAAG,MAAM,CA+D1G;AAED,wBAAgB,gBAAgB,CAAC,KAAK,GAAE,YAAY,GAAG,MAAqB,GAAG,MAAM,CAyHpF;AAED,wBAAgB,uBAAuB,CAAC,OAAO,EAAE,MAAM,GAAG,MAAM,EAAE,CAWjE;AAED,wBAAgB,kBAAkB,CAAC,QAAQ,EAAE,MAAM,GAAG,MAAM,EAAE,CAI7D;AAED,wBAAgB,gBAAgB,IAAI,MAAM,EAAE,CAM3C"}
--- a/dist/mcp/tools-documentation.js
+++ b/dist/mcp/tools-documentation.js
@@ -98,7 +98,7 @@ When working with Code nodes, always start by calling the relevant guide:
   - validate_node({nodeType: "nodes-base.slack", config: {...}}) - Full validation with errors/warnings/suggestions
   - validate_workflow({workflow: {...}}) - Validate entire workflow

-## Tool Categories (19 Tools Total)
+## Tool Categories (21 Tools Total)

 **Discovery Tools** (1 tool)
 - search_nodes - Full-text search across all nodes (supports OR, AND, FUZZY modes)
@@ -121,8 +121,9 @@ When working with Code nodes, always start by calling the relevant guide:
  - searchMode='by_nodes': Find templates using specific nodes
  - searchMode='by_task': Curated task-based templates
  - searchMode='by_metadata': Filter by complexity/services
+  - searchMode='patterns': Workflow pattern summaries from 2,700+ templates

-**n8n API Tools** (13 tools, requires N8N_API_URL configuration)
+**n8n API Tools** (15 tools, requires N8N_API_URL configuration)
 - n8n_create_workflow - Create new workflows
 - n8n_get_workflow - Get workflow with mode='full'/'details'/'structure'/'minimal'
 - n8n_update_full_workflow - Full workflow replacement
@@ -136,6 +137,8 @@ When working with Code nodes, always start by calling the relevant guide:
 - n8n_health_check - Check n8n API connectivity
 - n8n_workflow_versions - Version history and rollback
 - n8n_deploy_template - Deploy templates directly to n8n instance
+- n8n_manage_datatable - Manage data tables and rows
+- n8n_generate_workflow - Generate workflow from natural language description

 ## Performance Characteristics
 - Instant (<10ms): search_nodes, get_node (minimal/standard)
--- a/dist/mcp/tools-documentation.js.map
+++ b/dist/mcp/tools-documentation.js.map
@@ -1 +1 @@
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--- a/dist/mcp/tools-n8n-manager.d.ts.map
+++ b/dist/mcp/tools-n8n-manager.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"tools-n8n-manager.d.ts","sourceRoot":"","sources":["../../src/mcp/tools-n8n-manager.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,cAAc,EAAE,MAAM,UAAU,CAAC;AAQ1C,eAAO,MAAM,kBAAkB,EAAE,cAAc,EAwoB9C,CAAC"}
+{"version":3,"file":"tools-n8n-manager.d.ts","sourceRoot":"","sources":["../../src/mcp/tools-n8n-manager.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,cAAc,EAAE,MAAM,UAAU,CAAC;AAQ1C,eAAO,MAAM,kBAAkB,EAAE,cAAc,EA6uB9C,CAAC"}
--- a/dist/mcp/tools-n8n-manager.js
+++ b/dist/mcp/tools-n8n-manager.js
@@ -141,7 +141,7 @@ exports.n8nManagementTools = [
    },
    {
        name: 'n8n_update_partial_workflow',
-        description: `Update workflow incrementally with diff operations. Types: addNode, removeNode, updateNode, moveNode, enable/disableNode, addConnection, removeConnection, updateSettings, updateName, add/removeTag, activate/deactivateWorkflow, transferWorkflow. See tools_documentation("n8n_update_partial_workflow", "full") for details.`,
+        description: `Update workflow incrementally with diff operations. Types: addNode, removeNode, updateNode, patchNodeField, moveNode, enable/disableNode, addConnection, removeConnection, updateSettings, updateName, add/removeTag, activate/deactivateWorkflow, transferWorkflow. See tools_documentation("n8n_update_partial_workflow", "full") for details.`,
        inputSchema: {
            type: 'object',
            additionalProperties: true,
@@ -635,5 +635,106 @@ exports.n8nManagementTools = [
            openWorldHint: true,
        },
    },
+    {
+        name: 'n8n_manage_credentials',
+        description: 'Manage n8n credentials. Actions: list, get, create, update, delete, getSchema. Use getSchema to discover required fields before creating. SECURITY: credential data values are never logged.',
+        inputSchema: {
+            type: 'object',
+            properties: {
+                action: { type: 'string', enum: ['list', 'get', 'create', 'update', 'delete', 'getSchema'], description: 'Action to perform' },
+                id: { type: 'string', description: 'Credential ID (required for get, update, delete)' },
+                name: { type: 'string', description: 'Credential name (required for create)' },
+                type: { type: 'string', description: 'Credential type e.g. httpHeaderAuth, httpBasicAuth, oAuth2Api (required for create, getSchema)' },
+                data: { type: 'object', description: 'Credential data fields - use getSchema to discover required fields (required for create, optional for update)' },
+            },
+            required: ['action'],
+        },
+        annotations: {
+            title: 'Manage Credentials',
+            readOnlyHint: false,
+            destructiveHint: false,
+            openWorldHint: true,
+        },
+    },
+    {
+        name: 'n8n_generate_workflow',
+        description: 'Generate an n8n workflow from a natural language description using AI. ' +
+            'Call with just a description to get workflow proposals. ' +
+            'Then call again with deploy_id to deploy a chosen proposal, ' +
+            'or set skip_cache=true to generate a fresh workflow. ' +
+            'Use confirm_deploy=true to deploy a previously generated workflow.',
+        inputSchema: {
+            type: 'object',
+            properties: {
+                description: {
+                    type: 'string',
+                    description: 'Clear description of what the workflow should do. Include: trigger type ' +
+                        '(webhook, schedule, manual), services to integrate (Slack, Gmail, etc.), and the logic/flow.'
+                },
+                skip_cache: {
+                    type: 'boolean',
+                    description: 'Set to true to skip proposals and generate a fresh workflow from scratch. ' +
+                        'Returns a preview — call again with confirm_deploy=true to deploy it.'
+                },
+                deploy_id: {
+                    type: 'string',
+                    description: 'ID of a proposal to deploy. Get proposal IDs from a previous call ' +
+                        'that returned status "proposals".'
+                },
+                confirm_deploy: {
+                    type: 'boolean',
+                    description: 'Set to true to deploy the workflow from the last generation preview.'
+                }
+            },
+            required: ['description'],
+        },
+        annotations: {
+            title: 'Generate Workflow',
+            readOnlyHint: false,
+            destructiveHint: false,
+            idempotentHint: false,
+            openWorldHint: true,
+        },
+    },
+    {
+        name: 'n8n_audit_instance',
+        description: `Security audit of n8n instance. Combines n8n's built-in audit API (credentials, database, nodes, instance, filesystem risks) with deep workflow scanning (hardcoded secrets via 50+ regex patterns, unauthenticated webhooks, error handling gaps, data retention risks). Returns actionable markdown report with remediation steps using n8n_manage_credentials and n8n_update_partial_workflow.`,
+        inputSchema: {
+            type: 'object',
+            properties: {
+                categories: {
+                    type: 'array',
+                    items: {
+                        type: 'string',
+                        enum: ['credentials', 'database', 'nodes', 'instance', 'filesystem'],
+                    },
+                    description: 'Built-in audit categories to check (default: all 5)',
+                },
+                includeCustomScan: {
+                    type: 'boolean',
+                    description: 'Run deep workflow scanning for secrets, webhooks, error handling (default: true)',
+                },
+                daysAbandonedWorkflow: {
+                    type: 'number',
+                    description: 'Days threshold for abandoned workflow detection (default: 90)',
+                },
+                customChecks: {
+                    type: 'array',
+                    items: {
+                        type: 'string',
+                        enum: ['hardcoded_secrets', 'unauthenticated_webhooks', 'error_handling', 'data_retention'],
+                    },
+                    description: 'Specific custom checks to run (default: all 4)',
+                },
+            },
+        },
+        annotations: {
+            title: 'Audit Instance Security',
+            readOnlyHint: true,
+            destructiveHint: false,
+            idempotentHint: true,
+            openWorldHint: true,
+        },
+    },
 ];
 //# sourceMappingURL=tools-n8n-manager.js.map
--- a/dist/mcp/tools-n8n-manager.js.map
+++ b/dist/mcp/tools-n8n-manager.js.map
--- a/dist/mcp/tools.d.ts.map
+++ b/dist/mcp/tools.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"tools.d.ts","sourceRoot":"","sources":["../../src/mcp/tools.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,cAAc,EAAE,MAAM,UAAU,CAAC;AAQ1C,eAAO,MAAM,0BAA0B,EAAE,cAAc,EAwatD,CAAC"}
+{"version":3,"file":"tools.d.ts","sourceRoot":"","sources":["../../src/mcp/tools.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,cAAc,EAAE,MAAM,UAAU,CAAC;AAQ1C,eAAO,MAAM,0BAA0B,EAAE,cAAc,EA6atD,CAAC"}
--- a/dist/mcp/tools.js
+++ b/dist/mcp/tools.js
@@ -52,6 +52,11 @@ exports.n8nDocumentationToolsFinal = [
                    description: 'Include top 2 real-world configuration examples from popular templates (default: false)',
                    default: false,
                },
+                includeOperations: {
+                    type: 'boolean',
+                    default: false,
+                    description: 'Include resource/operation tree per node. Adds ~100-300 tokens per result but saves a get_node round-trip.',
+                },
                source: {
                    type: 'string',
                    enum: ['all', 'core', 'community', 'verified'],
@@ -237,14 +242,14 @@ exports.n8nDocumentationToolsFinal = [
    },
    {
        name: 'search_templates',
-        description: `Search templates with multiple modes. Use searchMode='keyword' for text search, 'by_nodes' to find templates using specific nodes, 'by_task' for curated task-based templates, 'by_metadata' for filtering by complexity/setup time/services.`,
+        description: `Search templates with multiple modes. Use searchMode='keyword' for text search, 'by_nodes' to find templates using specific nodes, 'by_task' for curated task-based templates, 'by_metadata' for filtering by complexity/setup time/services, 'patterns' for lightweight workflow pattern summaries mined from 2700+ templates.`,
        inputSchema: {
            type: 'object',
            properties: {
                searchMode: {
                    type: 'string',
-                    enum: ['keyword', 'by_nodes', 'by_task', 'by_metadata'],
-                    description: 'Search mode. keyword=text search (default), by_nodes=find by node types, by_task=curated task templates, by_metadata=filter by complexity/services',
+                    enum: ['keyword', 'by_nodes', 'by_task', 'by_metadata', 'patterns'],
+                    description: 'Search mode. keyword=text search (default), by_nodes=find by node types, by_task=curated task templates, by_metadata=filter by complexity/services, patterns=lightweight workflow pattern summaries',
                    default: 'keyword',
                },
                query: {
@@ -278,7 +283,7 @@ exports.n8nDocumentationToolsFinal = [
                        'api_integration',
                        'database_operations'
                    ],
-                    description: 'For searchMode=by_task: the type of task',
+                    description: 'For searchMode=by_task: the type of task. For searchMode=patterns: optional category filter (omit for overview of all categories).',
                },
                category: {
                    type: 'string',
--- a/dist/mcp/tools.js.map
+++ b/dist/mcp/tools.js.map
--- a/dist/parsers/property-extractor.d.ts.map
+++ b/dist/parsers/property-extractor.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"property-extractor.d.ts","sourceRoot":"","sources":["../../src/parsers/property-extractor.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,SAAS,EAAE,MAAM,qBAAqB,CAAC;AAErD,qBAAa,iBAAiB;IAI5B,iBAAiB,CAAC,SAAS,EAAE,SAAS,GAAG,GAAG,EAAE;IAqC9C,OAAO,CAAC,kBAAkB;IA6B1B,iBAAiB,CAAC,SAAS,EAAE,SAAS,GAAG,GAAG,EAAE;IAiC9C,OAAO,CAAC,gCAAgC;IAmDxC,sBAAsB,CAAC,SAAS,EAAE,SAAS,GAAG,OAAO;IA4BrD,kBAAkB,CAAC,SAAS,EAAE,SAAS,GAAG,GAAG,EAAE;IAqC/C,OAAO,CAAC,mBAAmB;CAgB5B"}
+{"version":3,"file":"property-extractor.d.ts","sourceRoot":"","sources":["../../src/parsers/property-extractor.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,SAAS,EAAE,MAAM,qBAAqB,CAAC;AAErD,qBAAa,iBAAiB;IAI5B,iBAAiB,CAAC,SAAS,EAAE,SAAS,GAAG,GAAG,EAAE;IAqC9C,OAAO,CAAC,kBAAkB;IA6B1B,iBAAiB,CAAC,SAAS,EAAE,SAAS,GAAG,GAAG,EAAE;IAiC9C,OAAO,CAAC,gCAAgC;IAwDxC,sBAAsB,CAAC,SAAS,EAAE,SAAS,GAAG,OAAO;IA4BrD,kBAAkB,CAAC,SAAS,EAAE,SAAS,GAAG,GAAG,EAAE;IAqC/C,OAAO,CAAC,mBAAmB;CAgB5B"}
--- a/dist/parsers/property-extractor.js
+++ b/dist/parsers/property-extractor.js
@@ -95,13 +95,17 @@ class PropertyExtractor {
            }
        }
        if (description.properties && Array.isArray(description.properties)) {
-            const operationProp = description.properties.find((p) => p.name === 'operation' || p.name === 'action');
-            if (operationProp?.options) {
+            const operationProps = description.properties.filter((p) => p.name === 'operation' || p.name === 'action');
+            for (const operationProp of operationProps) {
+                if (!operationProp?.options)
+                    continue;
+                const resource = operationProp.displayOptions?.show?.resource?.[0];
                operationProp.options.forEach((op) => {
                    operations.push({
                        operation: op.value,
                        name: op.name,
-                        description: op.description
+                        description: op.description,
+                        ...(resource ? { resource } : {})
                    });
                });
            }
--- a/dist/parsers/property-extractor.js.map
+++ b/dist/parsers/property-extractor.js.map
--- a/dist/services/expression-validator.d.ts
+++ b/dist/services/expression-validator.d.ts
@@ -12,6 +12,7 @@ interface ExpressionContext {
    hasInputData?: boolean;
 }
 export declare class ExpressionValidator {
+    private static readonly BARE_EXPRESSION_PATTERNS;
    private static readonly EXPRESSION_PATTERN;
    private static readonly VARIABLE_PATTERNS;
    static validateExpression(expression: string, context: ExpressionContext): ExpressionValidationResult;
@@ -21,6 +22,7 @@ export declare class ExpressionValidator {
    private static checkCommonMistakes;
    private static checkNodeReferences;
    static validateNodeExpressions(parameters: any, context: ExpressionContext): ExpressionValidationResult;
+    private static checkBareExpression;
    private static validateParametersRecursive;
 }
 export {};
--- a/dist/services/expression-validator.d.ts.map
+++ b/dist/services/expression-validator.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"expression-validator.d.ts","sourceRoot":"","sources":["../../src/services/expression-validator.ts"],"names":[],"mappings":"AAKA,UAAU,0BAA0B;IAClC,KAAK,EAAE,OAAO,CAAC;IACf,MAAM,EAAE,MAAM,EAAE,CAAC;IACjB,QAAQ,EAAE,MAAM,EAAE,CAAC;IACnB,aAAa,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;IAC3B,SAAS,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;CACxB;AAED,UAAU,iBAAiB;IACzB,cAAc,EAAE,MAAM,EAAE,CAAC;IACzB,eAAe,CAAC,EAAE,MAAM,CAAC;IACzB,QAAQ,CAAC,EAAE,OAAO,CAAC;IACnB,YAAY,CAAC,EAAE,OAAO,CAAC;CACxB;AAED,qBAAa,mBAAmB;IAE9B,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,kBAAkB,CAAyB;IACnE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,iBAAiB,CAcvC;IAKF,MAAM,CAAC,kBAAkB,CACvB,UAAU,EAAE,MAAM,EAClB,OAAO,EAAE,iBAAiB,GACzB,0BAA0B;IA2C7B,OAAO,CAAC,MAAM,CAAC,iBAAiB;IA+BhC,OAAO,CAAC,MAAM,CAAC,kBAAkB;IAcjC,OAAO,CAAC,MAAM,CAAC,wBAAwB;IAwEvC,OAAO,CAAC,MAAM,CAAC,mBAAmB;IAkDlC,OAAO,CAAC,MAAM,CAAC,mBAAmB;IAgBlC,MAAM,CAAC,uBAAuB,CAC5B,UAAU,EAAE,GAAG,EACf,OAAO,EAAE,iBAAiB,GACzB,0BAA0B;IAmB7B,OAAO,CAAC,MAAM,CAAC,2BAA2B;CAiD3C"}
+{"version":3,"file":"expression-validator.d.ts","sourceRoot":"","sources":["../../src/services/expression-validator.ts"],"names":[],"mappings":"AAKA,UAAU,0BAA0B;IAClC,KAAK,EAAE,OAAO,CAAC;IACf,MAAM,EAAE,MAAM,EAAE,CAAC;IACjB,QAAQ,EAAE,MAAM,EAAE,CAAC;IACnB,aAAa,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;IAC3B,SAAS,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;CACxB;AAED,UAAU,iBAAiB;IACzB,cAAc,EAAE,MAAM,EAAE,CAAC;IACzB,eAAe,CAAC,EAAE,MAAM,CAAC;IACzB,QAAQ,CAAC,EAAE,OAAO,CAAC;IACnB,YAAY,CAAC,EAAE,OAAO,CAAC;CACxB;AAED,qBAAa,mBAAmB;IAE9B,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,wBAAwB,CAS9C;IAGF,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,kBAAkB,CAAyB;IACnE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,iBAAiB,CAcvC;IAKF,MAAM,CAAC,kBAAkB,CACvB,UAAU,EAAE,MAAM,EAClB,OAAO,EAAE,iBAAiB,GACzB,0BAA0B;IA2C7B,OAAO,CAAC,MAAM,CAAC,iBAAiB;IA+BhC,OAAO,CAAC,MAAM,CAAC,kBAAkB;IAcjC,OAAO,CAAC,MAAM,CAAC,wBAAwB;IAwEvC,OAAO,CAAC,MAAM,CAAC,mBAAmB;IAkDlC,OAAO,CAAC,MAAM,CAAC,mBAAmB;IAgBlC,MAAM,CAAC,uBAAuB,CAC5B,UAAU,EAAE,GAAG,EACf,OAAO,EAAE,iBAAiB,GACzB,0BAA0B;IAoB7B,OAAO,CAAC,MAAM,CAAC,mBAAmB;IAyBlC,OAAO,CAAC,MAAM,CAAC,2BAA2B;CAoD3C"}
--- a/dist/services/expression-validator.js
+++ b/dist/services/expression-validator.js
@@ -134,6 +134,20 @@ class ExpressionValidator {
        combinedResult.valid = combinedResult.errors.length === 0;
        return combinedResult;
    }
+    static checkBareExpression(value, path, result) {
+        if (value.includes('{{') || value.startsWith('=')) {
+            return;
+        }
+        const trimmed = value.trim();
+        for (const { pattern, name } of this.BARE_EXPRESSION_PATTERNS) {
+            if (pattern.test(trimmed)) {
+                result.warnings.push((path ? `${path}: ` : '') +
+                    `Possible unwrapped expression: "${trimmed}" looks like an n8n ${name} reference. ` +
+                    `Use "={{ ${trimmed} }}" to evaluate it as an expression.`);
+                return;
+            }
+        }
+    }
    static validateParametersRecursive(obj, context, result, path = '', visited = new WeakSet()) {
        if (obj && typeof obj === 'object') {
            if (visited.has(obj)) {
@@ -142,6 +156,7 @@ class ExpressionValidator {
            visited.add(obj);
        }
        if (typeof obj === 'string') {
+            this.checkBareExpression(obj, path, result);
            if (obj.includes('{{')) {
                const validation = this.validateExpression(obj, context);
                validation.errors.forEach(error => {
@@ -168,6 +183,16 @@ class ExpressionValidator {
    }
 }
 exports.ExpressionValidator = ExpressionValidator;
+ExpressionValidator.BARE_EXPRESSION_PATTERNS = [
+    { pattern: /^\$json[.\[]/, name: '$json' },
+    { pattern: /^\$node\[/, name: '$node' },
+    { pattern: /^\$input\./, name: '$input' },
+    { pattern: /^\$execution\./, name: '$execution' },
+    { pattern: /^\$workflow\./, name: '$workflow' },
+    { pattern: /^\$prevNode\./, name: '$prevNode' },
+    { pattern: /^\$env\./, name: '$env' },
+    { pattern: /^\$(now|today|itemIndex|runIndex)$/, name: 'built-in variable' },
+];
 ExpressionValidator.EXPRESSION_PATTERN = /\{\{([\s\S]+?)\}\}/g;
 ExpressionValidator.VARIABLE_PATTERNS = {
    json: /\$json(\.[a-zA-Z_][\w]*|\["[^"]+"\]|\['[^']+'\]|\[\d+\])*/g,
--- a/dist/services/expression-validator.js.map
+++ b/dist/services/expression-validator.js.map
--- a/dist/services/n8n-api-client.d.ts
+++ b/dist/services/n8n-api-client.d.ts
@@ -24,6 +24,11 @@ export declare class N8nApiClient {
    activateWorkflow(id: string): Promise<Workflow>;
    deactivateWorkflow(id: string): Promise<Workflow>;
    listWorkflows(params?: WorkflowListParams): Promise<WorkflowListResponse>;
+    generateAudit(options?: {
+        categories?: string[];
+        daysAbandonedWorkflow?: number;
+    }): Promise<any>;
+    listAllWorkflows(): Promise<Workflow[]>;
    getExecution(id: string, includeData?: boolean): Promise<Execution>;
    listExecutions(params?: ExecutionListParams): Promise<ExecutionListResponse>;
    deleteExecution(id: string): Promise<void>;
@@ -33,6 +38,7 @@ export declare class N8nApiClient {
    createCredential(credential: Partial<Credential>): Promise<Credential>;
    updateCredential(id: string, credential: Partial<Credential>): Promise<Credential>;
    deleteCredential(id: string): Promise<void>;
+    getCredentialSchema(typeName: string): Promise<any>;
    listTags(params?: TagListParams): Promise<TagListResponse>;
    createTag(tag: Partial<Tag>): Promise<Tag>;
    updateTag(id: string, tag: Partial<Tag>): Promise<Tag>;
--- a/dist/services/n8n-api-client.d.ts.map
+++ b/dist/services/n8n-api-client.d.ts.map
@@ -1 +1 @@
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+{"version":3,"file":"n8n-api-client.d.ts","sourceRoot":"","sources":["../../src/services/n8n-api-client.ts"],"names":[],"mappings":"AAEA,OAAO,EACL,QAAQ,EACR,kBAAkB,EAClB,oBAAoB,EACpB,SAAS,EACT,mBAAmB,EACnB,qBAAqB,EACrB,UAAU,EACV,oBAAoB,EACpB,sBAAsB,EACtB,GAAG,EACH,aAAa,EACb,eAAe,EACf,mBAAmB,EACnB,cAAc,EACd,QAAQ,EACR,cAAc,EAGd,mBAAmB,EACnB,uBAAuB,EACvB,uBAAuB,EACvB,SAAS,EACT,eAAe,EACf,mBAAmB,EACnB,YAAY,EACZ,sBAAsB,EACtB,yBAAyB,EACzB,yBAAyB,EACzB,wBAAwB,EACxB,yBAAyB,EAC1B,MAAM,kBAAkB,CAAC;AAS1B,MAAM,WAAW,kBAAkB;IACjC,OAAO,EAAE,MAAM,CAAC;IAChB,MAAM,EAAE,MAAM,CAAC;IACf,OAAO,CAAC,EAAE,MAAM,CAAC;IACjB,UAAU,CAAC,EAAE,MAAM,CAAC;CACrB;AAED,qBAAa,YAAY;IACvB,OAAO,CAAC,MAAM,CAAgB;IAC9B,OAAO,CAAC,UAAU,CAAS;IAC3B,OAAO,CAAC,OAAO,CAAS;IACxB,OAAO,CAAC,WAAW,CAA+B;IAClD,OAAO,CAAC,cAAc,CAA+C;gBAEzD,MAAM,EAAE,kBAAkB;IAuDhC,UAAU,IAAI,OAAO,CAAC,cAAc,GAAG,IAAI,CAAC;YAyBpC,gBAAgB;IAa9B,oBAAoB,IAAI,cAAc,GAAG,IAAI;IAKvC,WAAW,IAAI,OAAO,CAAC,mBAAmB,CAAC;IA6C3C,cAAc,CAAC,QAAQ,EAAE,OAAO,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC,QAAQ,CAAC;IAU9D,WAAW,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,QAAQ,CAAC;IAS1C,cAAc,CAAC,EAAE,EAAE,MAAM,EAAE,QAAQ,EAAE,OAAO,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC,QAAQ,CAAC;IAsC1E,cAAc,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,QAAQ,CAAC;IAS7C,gBAAgB,CAAC,EAAE,EAAE,MAAM,EAAE,oBAAoB,EAAE,MAAM,GAAG,OAAO,CAAC,IAAI,CAAC;IAQzE,gBAAgB,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,QAAQ,CAAC;IAS/C,kBAAkB,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,QAAQ,CAAC;IAsBjD,aAAa,CAAC,MAAM,GAAE,kBAAuB,GAAG,OAAO,CAAC,oBAAoB,CAAC;IAU7E,aAAa,CAAC,OAAO,CAAC,EAAE;QAAE,UAAU,CAAC,EAAE,MAAM,EAAE,CAAC;QAAC,qBAAqB,CAAC,EAAE,MAAM,CAAA;KAAE,GAAG,OAAO,CAAC,GAAG,CAAC;IAehG,gBAAgB,IAAI,OAAO,CAAC,QAAQ,EAAE,CAAC;IAmBvC,YAAY,CAAC,EAAE,EAAE,MAAM,EAAE,WAAW,UAAQ,GAAG,OAAO,CAAC,SAAS,CAAC;IAwBjE,cAAc,CAAC,MAAM,GAAE,mBAAwB,GAAG,OAAO,CAAC,qBAAqB,CAAC;IAShF,eAAe,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,IAAI,CAAC;IAS1C,cAAc,CAAC,OAAO,EAAE,cAAc,GAAG,OAAO,CAAC,GAAG,CAAC;IAiErD,eAAe,CAAC,MAAM,GAAE,oBAAyB,GAAG,OAAO,CAAC,sBAAsB,CAAC;IASnF,aAAa,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,UAAU,CAAC;IAS9C,gBAAgB,CAAC,UAAU,EAAE,OAAO,CAAC,UAAU,CAAC,GAAG,OAAO,CAAC,UAAU,CAAC;IAStE,gBAAgB,CAAC,EAAE,EAAE,MAAM,EAAE,UAAU,EAAE,OAAO,CAAC,UAAU,CAAC,GAAG,OAAO,CAAC,UAAU,CAAC;IASlF,gBAAgB,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,IAAI,CAAC;IAQ3C,mBAAmB,CAAC,QAAQ,EAAE,MAAM,GAAG,OAAO,CAAC,GAAG,CAAC;IAuBnD,QAAQ,CAAC,MAAM,GAAE,aAAkB,GAAG,OAAO,CAAC,eAAe,CAAC;IAS9D,SAAS,CAAC,GAAG,EAAE,OAAO,CAAC,GAAG,CAAC,GAAG,OAAO,CAAC,GAAG,CAAC;IAS1C,SAAS,CAAC,EAAE,EAAE,MAAM,EAAE,GAAG,EAAE,OAAO,CAAC,GAAG,CAAC,GAAG,OAAO,CAAC,GAAG,CAAC;IAStD,SAAS,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,IAAI,CAAC;IAQpC,kBAAkB,CAAC,UAAU,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,GAAG,OAAO,CAAC,GAAG,EAAE,CAAC;IAUxE,sBAAsB,IAAI,OAAO,CAAC,mBAAmB,CAAC;IAStD,iBAAiB,CAAC,KAAK,UAAQ,GAAG,OAAO,CAAC,uBAAuB,CAAC;IASlE,iBAAiB,CACrB,OAAO,EAAE,MAAM,EACf,SAAS,CAAC,EAAE,MAAM,EAAE,GACnB,OAAO,CAAC,uBAAuB,CAAC;IAa7B,YAAY,IAAI,OAAO,CAAC,QAAQ,EAAE,CAAC;IAWnC,cAAc,CAAC,QAAQ,EAAE,OAAO,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC,QAAQ,CAAC;IAS9D,cAAc,CAAC,EAAE,EAAE,MAAM,EAAE,QAAQ,EAAE,OAAO,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC,QAAQ,CAAC;IAS1E,cAAc,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,IAAI,CAAC;IAQzC,eAAe,CAAC,MAAM,EAAE;QAAE,IAAI,EAAE,MAAM,CAAC;QAAC,OAAO,CAAC,EAAE,eAAe,EAAE,CAAA;KAAE,GAAG,OAAO,CAAC,SAAS,CAAC;IAS1F,cAAc,CAAC,MAAM,GAAE,mBAAwB,GAAG,OAAO,CAAC;QAAE,IAAI,EAAE,SAAS,EAAE,CAAC;QAAC,UAAU,CAAC,EAAE,MAAM,GAAG,IAAI,CAAA;KAAE,CAAC;IAS5G,YAAY,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,SAAS,CAAC;IAS5C,eAAe,CAAC,EAAE,EAAE,MAAM,EAAE,MAAM,EAAE;QAAE,IAAI,EAAE,MAAM,CAAA;KAAE,GAAG,OAAO,CAAC,SAAS,CAAC;IASzE,eAAe,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,IAAI,CAAC;IAQ1C,gBAAgB,CAAC,EAAE,EAAE,MAAM,EAAE,MAAM,GAAE,sBAA2B,GAAG,OAAO,CAAC;QAAE,IAAI,EAAE,YAAY,EAAE,CAAC;QAAC,UAAU,CAAC,EAAE,MAAM,GAAG,IAAI,CAAA;KAAE,CAAC;IAYhI,mBAAmB,CAAC,EAAE,EAAE,MAAM,EAAE,MAAM,EAAE,yBAAyB,GAAG,OAAO,CAAC,GAAG,CAAC;IAShF,mBAAmB,CAAC,EAAE,EAAE,MAAM,EAAE,MAAM,EAAE,yBAAyB,GAAG,OAAO,CAAC,GAAG,CAAC;IAShF,kBAAkB,CAAC,EAAE,EAAE,MAAM,EAAE,MAAM,EAAE,wBAAwB,GAAG,OAAO,CAAC,GAAG,CAAC;IAS9E,mBAAmB,CAAC,EAAE,EAAE,MAAM,EAAE,MAAM,EAAE,yBAAyB,GAAG,OAAO,CAAC,GAAG,CAAC;IAgBtF,OAAO,CAAC,wBAAwB;IAkBhC,OAAO,CAAC,oBAAoB;CAmC7B"}
--- a/dist/services/n8n-api-client.js
+++ b/dist/services/n8n-api-client.js
@@ -61,9 +61,10 @@ class N8nApiClient {
            },
        });
        this.client.interceptors.request.use((config) => {
+            const isSensitive = config.url?.includes('/credentials') && config.method !== 'get';
            logger_1.logger.debug(`n8n API Request: ${config.method?.toUpperCase()} ${config.url}`, {
                params: config.params,
-                data: config.data,
+                data: isSensitive ? '[REDACTED]' : config.data,
            });
            return config;
        }, (error) => {
@@ -229,6 +230,38 @@ class N8nApiClient {
            throw (0, n8n_errors_1.handleN8nApiError)(error);
        }
    }
+    async generateAudit(options) {
+        try {
+            const additionalOptions = {};
+            if (options?.categories)
+                additionalOptions.categories = options.categories;
+            if (options?.daysAbandonedWorkflow !== undefined)
+                additionalOptions.daysAbandonedWorkflow = options.daysAbandonedWorkflow;
+            const body = Object.keys(additionalOptions).length > 0 ? { additionalOptions } : {};
+            const response = await this.client.post('/audit', body);
+            return response.data;
+        }
+        catch (error) {
+            throw (0, n8n_errors_1.handleN8nApiError)(error);
+        }
+    }
+    async listAllWorkflows() {
+        const allWorkflows = [];
+        let cursor;
+        const seenCursors = new Set();
+        const PAGE_SIZE = 100;
+        const MAX_PAGES = 50;
+        for (let page = 0; page < MAX_PAGES; page++) {
+            const params = { limit: PAGE_SIZE, cursor };
+            const response = await this.listWorkflows(params);
+            allWorkflows.push(...response.data);
+            if (!response.nextCursor || seenCursors.has(response.nextCursor))
+                break;
+            seenCursors.add(response.nextCursor);
+            cursor = response.nextCursor;
+        }
+        return allWorkflows;
+    }
    async getExecution(id, includeData = false) {
        try {
            const response = await this.client.get(`/executions/${id}`, {
@@ -338,6 +371,15 @@ class N8nApiClient {
            throw (0, n8n_errors_1.handleN8nApiError)(error);
        }
    }
+    async getCredentialSchema(typeName) {
+        try {
+            const response = await this.client.get(`/credentials/schema/${typeName}`);
+            return response.data;
+        }
+        catch (error) {
+            throw (0, n8n_errors_1.handleN8nApiError)(error);
+        }
+    }
    async listTags(params = {}) {
        try {
            const response = await this.client.get('/tags', { params });
--- a/dist/services/n8n-api-client.js.map
+++ b/dist/services/n8n-api-client.js.map
--- a/dist/services/n8n-validation.d.ts
+++ b/dist/services/n8n-validation.d.ts
@@ -30,10 +30,10 @@ export declare const workflowNodeSchema: z.ZodObject<{
    maxTries?: number | undefined;
    waitBetweenTries?: number | undefined;
    alwaysOutputData?: boolean | undefined;
-    executeOnce?: boolean | undefined;
    disabled?: boolean | undefined;
    notes?: string | undefined;
    notesInFlow?: boolean | undefined;
+    executeOnce?: boolean | undefined;
 }, {
    type: string;
    id: string;
@@ -47,10 +47,10 @@ export declare const workflowNodeSchema: z.ZodObject<{
    maxTries?: number | undefined;
    waitBetweenTries?: number | undefined;
    alwaysOutputData?: boolean | undefined;
-    executeOnce?: boolean | undefined;
    disabled?: boolean | undefined;
    notes?: string | undefined;
    notesInFlow?: boolean | undefined;
+    executeOnce?: boolean | undefined;
 }>;
 export declare const workflowConnectionSchema: z.ZodRecord<z.ZodString, z.ZodObject<{
    main: z.ZodOptional<z.ZodArray<z.ZodArray<z.ZodObject<{
@@ -413,6 +413,7 @@ export declare function cleanWorkflowForCreate(workflow: Partial<Workflow>): Par
 export declare function cleanWorkflowForUpdate(workflow: Workflow): Partial<Workflow>;
 export declare function validateWorkflowStructure(workflow: Partial<Workflow>): string[];
 export declare function hasWebhookTrigger(workflow: Workflow): boolean;
+export declare function validateConditionNodeStructure(node: WorkflowNode): string[];
 export declare function validateFilterBasedNodeMetadata(node: WorkflowNode): string[];
 export declare function validateOperatorStructure(operator: any, path: string): string[];
 export declare function getWebhookUrl(workflow: Workflow): string | null;
--- a/dist/services/n8n-validation.d.ts.map
+++ b/dist/services/n8n-validation.d.ts.map
@@ -1 +1 @@
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+{"version":3,"file":"n8n-validation.d.ts","sourceRoot":"","sources":["../../src/services/n8n-validation.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,CAAC,EAAE,MAAM,KAAK,CAAC;AACxB,OAAO,EAAE,YAAY,EAAE,kBAAkB,EAAE,QAAQ,EAAE,MAAM,kBAAkB,CAAC;AAM9E,eAAO,MAAM,kBAAkB;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;EAiB7B,CAAC;AAkBH,eAAO,MAAM,wBAAwB;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;gCAUpC,CAAC;AAEF,eAAO,MAAM,sBAAsB;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;EAWjC,CAAC;AAGH,eAAO,MAAM,uBAAuB;;;;;;CAMnC,CAAC;AAGF,wBAAgB,oBAAoB,CAAC,IAAI,EAAE,OAAO,GAAG,YAAY,CAEhE;AAED,wBAAgB,2BAA2B,CAAC,WAAW,EAAE,OAAO,GAAG,kBAAkB,CAEpF;AAED,wBAAgB,wBAAwB,CAAC,QAAQ,EAAE,OAAO,GAAG,CAAC,CAAC,KAAK,CAAC,OAAO,sBAAsB,CAAC,CAElG;AAmBD,wBAAgB,sBAAsB,CAAC,QAAQ,EAAE,OAAO,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC,QAAQ,CAAC,CAwBrF;AAiBD,wBAAgB,sBAAsB,CAAC,QAAQ,EAAE,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC,CAsE5E;AAGD,wBAAgB,yBAAyB,CAAC,QAAQ,EAAE,OAAO,CAAC,QAAQ,CAAC,GAAG,MAAM,EAAE,CAkQ/E;AAGD,wBAAgB,iBAAiB,CAAC,QAAQ,EAAE,QAAQ,GAAG,OAAO,CAK7D;AAMD,wBAAgB,8BAA8B,CAAC,IAAI,EAAE,YAAY,GAAG,MAAM,EAAE,CAyB3E;AA2CD,wBAAgB,+BAA+B,CAAC,IAAI,EAAE,YAAY,GAAG,MAAM,EAAE,CAE5E;AAMD,wBAAgB,yBAAyB,CAAC,QAAQ,EAAE,GAAG,EAAE,IAAI,EAAE,MAAM,GAAG,MAAM,EAAE,CA0D/E;AAGD,wBAAgB,aAAa,CAAC,QAAQ,EAAE,QAAQ,GAAG,MAAM,GAAG,IAAI,CAmB/D;AAGD,wBAAgB,2BAA2B,IAAI,MAAM,CA6CpD;AAGD,wBAAgB,yBAAyB,CAAC,MAAM,EAAE,MAAM,EAAE,GAAG,MAAM,EAAE,CAmBpE"}
--- a/dist/services/n8n-validation.js
+++ b/dist/services/n8n-validation.js
@@ -11,6 +11,7 @@ exports.cleanWorkflowForCreate = cleanWorkflowForCreate;
 exports.cleanWorkflowForUpdate = cleanWorkflowForUpdate;
 exports.validateWorkflowStructure = validateWorkflowStructure;
 exports.hasWebhookTrigger = hasWebhookTrigger;
+exports.validateConditionNodeStructure = validateConditionNodeStructure;
 exports.validateFilterBasedNodeMetadata = validateFilterBasedNodeMetadata;
 exports.validateOperatorStructure = validateOperatorStructure;
 exports.getWebhookUrl = getWebhookUrl;
@@ -229,7 +230,7 @@ function validateWorkflowStructure(workflow) {
    }
    if (workflow.nodes) {
        workflow.nodes.forEach((node, index) => {
-            const filterErrors = validateFilterBasedNodeMetadata(node);
+            const filterErrors = validateConditionNodeStructure(node);
            if (filterErrors.length > 0) {
                errors.push(...filterErrors.map(err => `Node "${node.name}" (index ${index}): ${err}`));
            }
@@ -332,73 +333,66 @@ function hasWebhookTrigger(workflow) {
    return workflow.nodes.some(node => node.type === 'n8n-nodes-base.webhook' ||
        node.type === 'n8n-nodes-base.webhookTrigger');
 }
-function validateFilterBasedNodeMetadata(node) {
+function validateConditionNodeStructure(node) {
    const errors = [];
-    const isIFNode = node.type === 'n8n-nodes-base.if' && node.typeVersion >= 2.2;
-    const isSwitchNode = node.type === 'n8n-nodes-base.switch' && node.typeVersion >= 3.2;
-    if (!isIFNode && !isSwitchNode) {
-        return errors;
-    }
-    if (isIFNode) {
-        const conditions = node.parameters.conditions;
-        if (!conditions?.options) {
-            errors.push('Missing required "conditions.options". ' +
-                'IF v2.2+ requires: {version: 2, leftValue: "", caseSensitive: true, typeValidation: "strict"}');
+    const typeVersion = node.typeVersion || 1;
+    if (node.type === 'n8n-nodes-base.if') {
+        if (typeVersion >= 2.2) {
+            errors.push(...validateFilterOptionsRequired(node.parameters?.conditions, 'conditions'));
+            errors.push(...validateFilterConditionOperators(node.parameters?.conditions, 'conditions'));
        }
-        else {
-            const requiredFields = {
-                version: 2,
-                leftValue: '',
-                caseSensitive: 'boolean',
-                typeValidation: 'strict'
-            };
-            for (const [field, expectedValue] of Object.entries(requiredFields)) {
-                if (!(field in conditions.options)) {
-                    errors.push(`Missing required field "conditions.options.${field}". ` +
-                        `Expected value: ${typeof expectedValue === 'string' ? `"${expectedValue}"` : expectedValue}`);
-                }
+        else if (typeVersion >= 2) {
+            errors.push(...validateFilterConditionOperators(node.parameters?.conditions, 'conditions'));
+        }
+    }
+    else if (node.type === 'n8n-nodes-base.switch') {
+        if (typeVersion >= 3.2) {
+            const rules = node.parameters?.rules;
+            if (rules?.rules && Array.isArray(rules.rules)) {
+                rules.rules.forEach((rule, i) => {
+                    errors.push(...validateFilterOptionsRequired(rule.conditions, `rules.rules[${i}].conditions`));
+                    errors.push(...validateFilterConditionOperators(rule.conditions, `rules.rules[${i}].conditions`));
+                });
            }
        }
-        if (conditions?.conditions && Array.isArray(conditions.conditions)) {
-            conditions.conditions.forEach((condition, i) => {
-                const operatorErrors = validateOperatorStructure(condition.operator, `conditions.conditions[${i}].operator`);
-                errors.push(...operatorErrors);
-            });
-        }
-    }
-    if (isSwitchNode) {
-        const rules = node.parameters.rules;
-        if (rules?.rules && Array.isArray(rules.rules)) {
-            rules.rules.forEach((rule, ruleIndex) => {
-                if (!rule.conditions?.options) {
-                    errors.push(`Missing required "rules.rules[${ruleIndex}].conditions.options". ` +
-                        'Switch v3.2+ requires: {version: 2, leftValue: "", caseSensitive: true, typeValidation: "strict"}');
-                }
-                else {
-                    const requiredFields = {
-                        version: 2,
-                        leftValue: '',
-                        caseSensitive: 'boolean',
-                        typeValidation: 'strict'
-                    };
-                    for (const [field, expectedValue] of Object.entries(requiredFields)) {
-                        if (!(field in rule.conditions.options)) {
-                            errors.push(`Missing required field "rules.rules[${ruleIndex}].conditions.options.${field}". ` +
-                                `Expected value: ${typeof expectedValue === 'string' ? `"${expectedValue}"` : expectedValue}`);
-                        }
-                    }
-                }
-                if (rule.conditions?.conditions && Array.isArray(rule.conditions.conditions)) {
-                    rule.conditions.conditions.forEach((condition, condIndex) => {
-                        const operatorErrors = validateOperatorStructure(condition.operator, `rules.rules[${ruleIndex}].conditions.conditions[${condIndex}].operator`);
-                        errors.push(...operatorErrors);
-                    });
-                }
-            });
-        }
    }
    return errors;
 }
+function validateFilterOptionsRequired(conditions, path) {
+    const errors = [];
+    if (!conditions || typeof conditions !== 'object')
+        return errors;
+    if (!conditions.options) {
+        errors.push(`Missing required "${path}.options". ` +
+            'Filter-based nodes require: {version: 2, leftValue: "", caseSensitive: true, typeValidation: "strict"}');
+    }
+    else {
+        const requiredFields = [
+            ['version', '2'],
+            ['leftValue', '""'],
+            ['caseSensitive', 'true'],
+            ['typeValidation', '"strict"'],
+        ];
+        for (const [field, display] of requiredFields) {
+            if (!(field in conditions.options)) {
+                errors.push(`Missing required field "${path}.options.${field}". Expected value: ${display}`);
+            }
+        }
+    }
+    return errors;
+}
+function validateFilterConditionOperators(conditions, path) {
+    const errors = [];
+    if (!conditions?.conditions || !Array.isArray(conditions.conditions))
+        return errors;
+    conditions.conditions.forEach((condition, i) => {
+        errors.push(...validateOperatorStructure(condition.operator, `${path}.conditions[${i}].operator`));
+    });
+    return errors;
+}
+function validateFilterBasedNodeMetadata(node) {
+    return validateConditionNodeStructure(node);
+}
 function validateOperatorStructure(operator, path) {
    const errors = [];
    if (!operator || typeof operator !== 'object') {
--- a/dist/services/n8n-validation.js.map
+++ b/dist/services/n8n-validation.js.map
--- a/dist/services/node-specific-validators.d.ts.map
+++ b/dist/services/node-specific-validators.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"node-specific-validators.d.ts","sourceRoot":"","sources":["../../src/services/node-specific-validators.ts"],"names":[],"mappings":"AAOA,OAAO,EAAE,eAAe,EAAE,iBAAiB,EAAE,MAAM,oBAAoB,CAAC;AAExE,MAAM,WAAW,qBAAqB;IACpC,MAAM,EAAE,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;IAC5B,MAAM,EAAE,eAAe,EAAE,CAAC;IAC1B,QAAQ,EAAE,iBAAiB,EAAE,CAAC;IAC9B,WAAW,EAAE,MAAM,EAAE,CAAC;IACtB,OAAO,EAAE,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;CAC9B;AAED,qBAAa,sBAAsB;IAIjC,MAAM,CAAC,aAAa,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAqE1D,OAAO,CAAC,MAAM,CAAC,wBAAwB;IAkDvC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IAsBzC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IA4BzC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IA2CzC,MAAM,CAAC,oBAAoB,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAiDjE,OAAO,CAAC,MAAM,CAAC,0BAA0B;IA0BzC,OAAO,CAAC,MAAM,CAAC,wBAAwB;IAkBvC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IAsBzC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IA4BzC,OAAO,CAAC,MAAM,CAAC,yBAAyB;IAwCxC,MAAM,CAAC,cAAc,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAwF3D,MAAM,CAAC,eAAe,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAyG5D,MAAM,CAAC,gBAAgB,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAkI7D,MAAM,CAAC,eAAe,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAmG5D,MAAM,CAAC,aAAa,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IA6F1D,OAAO,CAAC,MAAM,CAAC,gBAAgB;IAkF/B,MAAM,CAAC,mBAAmB,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAiGhE,MAAM,CAAC,eAAe,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IA6D5D,MAAM,CAAC,YAAY,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IA8DzD,OAAO,CAAC,MAAM,CAAC,sBAAsB;IAuDrC,OAAO,CAAC,MAAM,CAAC,kBAAkB;IAuDjC,OAAO,CAAC,MAAM,CAAC,uBAAuB;IAyFtC,OAAO,CAAC,MAAM,CAAC,oBAAoB;IAuKnC,OAAO,CAAC,MAAM,CAAC,oBAAoB;IA2EnC,MAAM,CAAC,WAAW,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;CAoDzD"}
+{"version":3,"file":"node-specific-validators.d.ts","sourceRoot":"","sources":["../../src/services/node-specific-validators.ts"],"names":[],"mappings":"AAOA,OAAO,EAAE,eAAe,EAAE,iBAAiB,EAAE,MAAM,oBAAoB,CAAC;AAExE,MAAM,WAAW,qBAAqB;IACpC,MAAM,EAAE,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;IAC5B,MAAM,EAAE,eAAe,EAAE,CAAC;IAC1B,QAAQ,EAAE,iBAAiB,EAAE,CAAC;IAC9B,WAAW,EAAE,MAAM,EAAE,CAAC;IACtB,OAAO,EAAE,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;CAC9B;AAED,qBAAa,sBAAsB;IAIjC,MAAM,CAAC,aAAa,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAqE1D,OAAO,CAAC,MAAM,CAAC,wBAAwB;IAkDvC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IAsBzC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IA4BzC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IA2CzC,MAAM,CAAC,oBAAoB,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAiDjE,OAAO,CAAC,MAAM,CAAC,0BAA0B;IA0BzC,OAAO,CAAC,MAAM,CAAC,wBAAwB;IAkBvC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IAsBzC,OAAO,CAAC,MAAM,CAAC,0BAA0B;IA4BzC,OAAO,CAAC,MAAM,CAAC,yBAAyB;IAwCxC,MAAM,CAAC,cAAc,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAwF3D,MAAM,CAAC,eAAe,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAyG5D,MAAM,CAAC,gBAAgB,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAkI7D,MAAM,CAAC,eAAe,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAmG5D,MAAM,CAAC,aAAa,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IA6F1D,OAAO,CAAC,MAAM,CAAC,gBAAgB;IAkF/B,MAAM,CAAC,mBAAmB,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IAiGhE,MAAM,CAAC,eAAe,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IA6D5D,MAAM,CAAC,YAAY,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;IA8DzD,OAAO,CAAC,MAAM,CAAC,sBAAsB;IAuDrC,OAAO,CAAC,MAAM,CAAC,kBAAkB;IAuDjC,OAAO,CAAC,MAAM,CAAC,uBAAuB;IAyFtC,OAAO,CAAC,MAAM,CAAC,oBAAoB;IAuKnC,OAAO,CAAC,MAAM,CAAC,oBAAoB;IA2EnC,MAAM,CAAC,WAAW,CAAC,OAAO,EAAE,qBAAqB,GAAG,IAAI;CAwDzD"}
--- a/dist/services/node-specific-validators.js
+++ b/dist/services/node-specific-validators.js
@@ -1317,12 +1317,16 @@ class NodeSpecificValidators {
            }
        }
        if (config.mode === 'manual') {
-            const hasFields = config.values && Object.keys(config.values).length > 0;
+            const hasFieldsViaValues = config.values && Object.keys(config.values).length > 0;
+            const hasFieldsViaAssignments = config.assignments?.assignments
+                && Array.isArray(config.assignments.assignments)
+                && config.assignments.assignments.length > 0;
+            const hasFields = hasFieldsViaValues || hasFieldsViaAssignments;
            if (!hasFields && !config.jsonOutput) {
                warnings.push({
                    type: 'missing_common',
                    message: 'Set node has no fields configured - will output empty items',
-                    suggestion: 'Add fields in the Values section or use JSON mode'
+                    suggestion: 'Add field assignments or use JSON mode'
                });
            }
        }
--- a/dist/services/node-specific-validators.js.map
+++ b/dist/services/node-specific-validators.js.map
--- a/dist/services/workflow-diff-engine.d.ts
+++ b/dist/services/workflow-diff-engine.d.ts
@@ -14,6 +14,7 @@ export declare class WorkflowDiffEngine {
    private validateAddNode;
    private validateRemoveNode;
    private validateUpdateNode;
+    private validatePatchNodeField;
    private validateMoveNode;
    private validateToggleNode;
    private validateAddConnection;
@@ -22,6 +23,7 @@ export declare class WorkflowDiffEngine {
    private applyAddNode;
    private applyRemoveNode;
    private applyUpdateNode;
+    private applyPatchNodeField;
    private applyMoveNode;
    private applyEnableNode;
    private applyDisableNode;
--- a/dist/services/workflow-diff-engine.d.ts.map
+++ b/dist/services/workflow-diff-engine.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"workflow-diff-engine.d.ts","sourceRoot":"","sources":["../../src/services/workflow-diff-engine.ts"],"names":[],"mappings":"AAMA,OAAO,EAEL,mBAAmB,EACnB,kBAAkB,EAuBnB,MAAM,wBAAwB,CAAC;AAChC,OAAO,EAAE,QAAQ,EAAoC,MAAM,kBAAkB,CAAC;AAY9E,qBAAa,kBAAkB;IAE7B,OAAO,CAAC,SAAS,CAAkC;IAEnD,OAAO,CAAC,QAAQ,CAAqC;IAErD,OAAO,CAAC,eAAe,CAAqB;IAE5C,OAAO,CAAC,gBAAgB,CAAqB;IAE7C,OAAO,CAAC,SAAS,CAAgB;IACjC,OAAO,CAAC,YAAY,CAAgB;IAEpC,OAAO,CAAC,mBAAmB,CAAqB;IAK1C,SAAS,CACb,QAAQ,EAAE,QAAQ,EAClB,OAAO,EAAE,mBAAmB,GAC3B,OAAO,CAAC,kBAAkB,CAAC;IAgO9B,OAAO,CAAC,iBAAiB;IA0CzB,OAAO,CAAC,cAAc;IA4DtB,OAAO,CAAC,eAAe;IAwBvB,OAAO,CAAC,kBAAkB;IAuB1B,OAAO,CAAC,kBAAkB;IA6D1B,OAAO,CAAC,gBAAgB;IAQxB,OAAO,CAAC,kBAAkB;IAU1B,OAAO,CAAC,qBAAqB;IAkD7B,OAAO,CAAC,wBAAwB;IA6ChC,OAAO,CAAC,wBAAwB;IAmDhC,OAAO,CAAC,YAAY;IA4BpB,OAAO,CAAC,eAAe;IAwCvB,OAAO,CAAC,eAAe;IA6CvB,OAAO,CAAC,aAAa;IAOrB,OAAO,CAAC,eAAe;IAOvB,OAAO,CAAC,gBAAgB;IAWxB,OAAO,CAAC,sBAAsB;IA0D9B,OAAO,CAAC,kBAAkB;IAiD1B,OAAO,CAAC,qBAAqB;IAuC7B,OAAO,CAAC,qBAAqB;IA0B7B,OAAO,CAAC,mBAAmB;IAW3B,OAAO,CAAC,eAAe;IAIvB,OAAO,CAAC,WAAW;IAYnB,OAAO,CAAC,cAAc;IAatB,OAAO,CAAC,wBAAwB;IAchC,OAAO,CAAC,0BAA0B;IAMlC,OAAO,CAAC,qBAAqB;IAM7B,OAAO,CAAC,uBAAuB;IAO/B,OAAO,CAAC,wBAAwB;IAOhC,OAAO,CAAC,qBAAqB;IAK7B,OAAO,CAAC,6BAA6B;IAKrC,OAAO,CAAC,0BAA0B;IA0BlC,OAAO,CAAC,0BAA0B;IA+ElC,OAAO,CAAC,uBAAuB;IAe/B,OAAO,CAAC,0BAA0B;IAmElC,OAAO,CAAC,iBAAiB;IAkBzB,OAAO,CAAC,QAAQ;IAsChB,OAAO,CAAC,uBAAuB;IAW/B,OAAO,CAAC,iBAAiB;IAUzB,OAAO,CAAC,iBAAiB;CAoB1B"}
+{"version":3,"file":"workflow-diff-engine.d.ts","sourceRoot":"","sources":["../../src/services/workflow-diff-engine.ts"],"names":[],"mappings":"AAMA,OAAO,EAEL,mBAAmB,EACnB,kBAAkB,EAwBnB,MAAM,wBAAwB,CAAC;AAChC,OAAO,EAAE,QAAQ,EAAoC,MAAM,kBAAkB,CAAC;AA6D9E,qBAAa,kBAAkB;IAE7B,OAAO,CAAC,SAAS,CAAkC;IAEnD,OAAO,CAAC,QAAQ,CAAqC;IAErD,OAAO,CAAC,eAAe,CAAqB;IAE5C,OAAO,CAAC,gBAAgB,CAAqB;IAE7C,OAAO,CAAC,SAAS,CAAgB;IACjC,OAAO,CAAC,YAAY,CAAgB;IAEpC,OAAO,CAAC,mBAAmB,CAAqB;IAK1C,SAAS,CACb,QAAQ,EAAE,QAAQ,EAClB,OAAO,EAAE,mBAAmB,GAC3B,OAAO,CAAC,kBAAkB,CAAC;IAgO9B,OAAO,CAAC,iBAAiB;IA4CzB,OAAO,CAAC,cAAc;IA+DtB,OAAO,CAAC,eAAe;IAwBvB,OAAO,CAAC,kBAAkB;IAuB1B,OAAO,CAAC,kBAAkB;IA6D1B,OAAO,CAAC,sBAAsB;IAuE9B,OAAO,CAAC,gBAAgB;IAQxB,OAAO,CAAC,kBAAkB;IAU1B,OAAO,CAAC,qBAAqB;IAkD7B,OAAO,CAAC,wBAAwB;IA6ChC,OAAO,CAAC,wBAAwB;IAmDhC,OAAO,CAAC,YAAY;IA4BpB,OAAO,CAAC,eAAe;IAwCvB,OAAO,CAAC,eAAe;IA6CvB,OAAO,CAAC,mBAAmB;IAgE3B,OAAO,CAAC,aAAa;IAOrB,OAAO,CAAC,eAAe;IAOvB,OAAO,CAAC,gBAAgB;IAWxB,OAAO,CAAC,sBAAsB;IA0D9B,OAAO,CAAC,kBAAkB;IAiD1B,OAAO,CAAC,qBAAqB;IAuC7B,OAAO,CAAC,qBAAqB;IA0B7B,OAAO,CAAC,mBAAmB;IAW3B,OAAO,CAAC,eAAe;IAIvB,OAAO,CAAC,WAAW;IAYnB,OAAO,CAAC,cAAc;IAatB,OAAO,CAAC,wBAAwB;IAchC,OAAO,CAAC,0BAA0B;IAMlC,OAAO,CAAC,qBAAqB;IAM7B,OAAO,CAAC,uBAAuB;IAO/B,OAAO,CAAC,wBAAwB;IAOhC,OAAO,CAAC,qBAAqB;IAK7B,OAAO,CAAC,6BAA6B;IAKrC,OAAO,CAAC,0BAA0B;IA0BlC,OAAO,CAAC,0BAA0B;IA+ElC,OAAO,CAAC,uBAAuB;IAe/B,OAAO,CAAC,0BAA0B;IAmElC,OAAO,CAAC,iBAAiB;IAkBzB,OAAO,CAAC,QAAQ;IAsChB,OAAO,CAAC,uBAAuB;IAW/B,OAAO,CAAC,iBAAiB;IAWzB,OAAO,CAAC,iBAAiB;CAyB1B"}
--- a/dist/services/workflow-diff-engine.js
+++ b/dist/services/workflow-diff-engine.js
@@ -6,6 +6,39 @@ const logger_1 = require("../utils/logger");
 const node_sanitizer_1 = require("./node-sanitizer");
 const node_type_utils_1 = require("../utils/node-type-utils");
 const logger = new logger_1.Logger({ prefix: '[WorkflowDiffEngine]' });
+const PATCH_LIMITS = {
+    MAX_PATCHES: 50,
+    MAX_REGEX_LENGTH: 500,
+    MAX_FIELD_SIZE_REGEX: 512 * 1024,
+};
+const DANGEROUS_PATH_KEYS = new Set(['__proto__', 'constructor', 'prototype']);
+function isUnsafeRegex(pattern) {
+    const nestedQuantifier = /\([^)]*[+*][^)]*\)[+*{]/;
+    if (nestedQuantifier.test(pattern))
+        return true;
+    const overlappingAlternation = /\([^)]*\|[^)]*\)[+*{]/;
+    if (overlappingAlternation.test(pattern)) {
+        const match = pattern.match(/\(([^)]*)\|([^)]*)\)[+*{]/);
+        if (match) {
+            const [, left, right] = match;
+            const broadClasses = ['.', '\\w', '\\d', '\\s', '\\S', '\\W', '\\D', '[^'];
+            const leftHasBroad = broadClasses.some(c => left.includes(c));
+            const rightHasBroad = broadClasses.some(c => right.includes(c));
+            if (leftHasBroad && rightHasBroad)
+                return true;
+        }
+    }
+    return false;
+}
+function countOccurrences(str, search) {
+    let count = 0;
+    let pos = 0;
+    while ((pos = str.indexOf(search, pos)) !== -1) {
+        count++;
+        pos += search.length;
+    }
+    return count;
+}
 class WorkflowDiffEngine {
    constructor() {
        this.renameMap = new Map();
@@ -25,7 +58,7 @@ class WorkflowDiffEngine {
            this.tagsToRemove = [];
            this.transferToProjectId = undefined;
            const workflowCopy = JSON.parse(JSON.stringify(workflow));
-            const nodeOperationTypes = ['addNode', 'removeNode', 'updateNode', 'moveNode', 'enableNode', 'disableNode'];
+            const nodeOperationTypes = ['addNode', 'removeNode', 'updateNode', 'patchNodeField', 'moveNode', 'enableNode', 'disableNode'];
            const nodeOperations = [];
            const otherOperations = [];
            request.operations.forEach((operation, index) => {
@@ -213,6 +246,8 @@ class WorkflowDiffEngine {
                return this.validateRemoveNode(workflow, operation);
            case 'updateNode':
                return this.validateUpdateNode(workflow, operation);
+            case 'patchNodeField':
+                return this.validatePatchNodeField(workflow, operation);
            case 'moveNode':
                return this.validateMoveNode(workflow, operation);
            case 'enableNode':
@@ -254,6 +289,9 @@ class WorkflowDiffEngine {
            case 'updateNode':
                this.applyUpdateNode(workflow, operation);
                break;
+            case 'patchNodeField':
+                this.applyPatchNodeField(workflow, operation);
+                break;
            case 'moveNode':
                this.applyMoveNode(workflow, operation);
                break;
@@ -375,6 +413,63 @@ class WorkflowDiffEngine {
        }
        return null;
    }
+    validatePatchNodeField(workflow, operation) {
+        if (!operation.nodeId && !operation.nodeName) {
+            return `patchNodeField requires either "nodeId" or "nodeName"`;
+        }
+        if (!operation.fieldPath || typeof operation.fieldPath !== 'string') {
+            return `patchNodeField requires a "fieldPath" string (e.g., "parameters.jsCode")`;
+        }
+        const pathSegments = operation.fieldPath.split('.');
+        if (pathSegments.some(k => DANGEROUS_PATH_KEYS.has(k))) {
+            return `patchNodeField: fieldPath "${operation.fieldPath}" contains a forbidden key (__proto__, constructor, or prototype)`;
+        }
+        if (!Array.isArray(operation.patches) || operation.patches.length === 0) {
+            return `patchNodeField requires a non-empty "patches" array of {find, replace} objects`;
+        }
+        if (operation.patches.length > PATCH_LIMITS.MAX_PATCHES) {
+            return `patchNodeField: too many patches (${operation.patches.length}). Maximum is ${PATCH_LIMITS.MAX_PATCHES} per operation. Split into multiple operations if needed.`;
+        }
+        for (let i = 0; i < operation.patches.length; i++) {
+            const patch = operation.patches[i];
+            if (!patch || typeof patch.find !== 'string' || typeof patch.replace !== 'string') {
+                return `Invalid patch entry at index ${i}: each entry must have "find" (string) and "replace" (string)`;
+            }
+            if (patch.find.length === 0) {
+                return `Invalid patch entry at index ${i}: "find" must not be empty`;
+            }
+            if (patch.regex) {
+                if (patch.find.length > PATCH_LIMITS.MAX_REGEX_LENGTH) {
+                    return `Regex pattern at patch index ${i} is too long (${patch.find.length} chars). Maximum is ${PATCH_LIMITS.MAX_REGEX_LENGTH} characters.`;
+                }
+                try {
+                    new RegExp(patch.find);
+                }
+                catch (e) {
+                    return `Invalid regex pattern at patch index ${i}: ${e instanceof Error ? e.message : 'invalid regex'}`;
+                }
+                if (isUnsafeRegex(patch.find)) {
+                    return `Potentially unsafe regex pattern at patch index ${i}: nested quantifiers or overlapping alternations can cause excessive backtracking. Simplify the pattern or use literal matching (regex: false).`;
+                }
+            }
+        }
+        const node = this.findNode(workflow, operation.nodeId, operation.nodeName);
+        if (!node) {
+            return this.formatNodeNotFoundError(workflow, operation.nodeId || operation.nodeName || '', 'patchNodeField');
+        }
+        const currentValue = this.getNestedProperty(node, operation.fieldPath);
+        if (currentValue === undefined) {
+            return `Cannot apply patchNodeField to "${operation.fieldPath}": property does not exist on node "${node.name}"`;
+        }
+        if (typeof currentValue !== 'string') {
+            return `Cannot apply patchNodeField to "${operation.fieldPath}": current value is ${typeof currentValue}, expected string`;
+        }
+        const hasRegex = operation.patches.some(p => p.regex);
+        if (hasRegex && typeof currentValue === 'string' && currentValue.length > PATCH_LIMITS.MAX_FIELD_SIZE_REGEX) {
+            return `Field "${operation.fieldPath}" is too large for regex operations (${Math.round(currentValue.length / 1024)}KB). Maximum is ${PATCH_LIMITS.MAX_FIELD_SIZE_REGEX / 1024}KB. Use literal matching (regex: false) for large fields.`;
+        }
+        return null;
+    }
    validateMoveNode(workflow, operation) {
        const node = this.findNode(workflow, operation.nodeId, operation.nodeName);
        if (!node) {
@@ -586,6 +681,51 @@ class WorkflowDiffEngine {
        const sanitized = (0, node_sanitizer_1.sanitizeNode)(node);
        Object.assign(node, sanitized);
    }
+    applyPatchNodeField(workflow, operation) {
+        const node = this.findNode(workflow, operation.nodeId, operation.nodeName);
+        if (!node)
+            return;
+        this.modifiedNodeIds.add(node.id);
+        let current = this.getNestedProperty(node, operation.fieldPath);
+        for (let i = 0; i < operation.patches.length; i++) {
+            const patch = operation.patches[i];
+            if (patch.regex) {
+                const globalRegex = new RegExp(patch.find, 'g');
+                const matches = current.match(globalRegex);
+                if (!matches || matches.length === 0) {
+                    throw new Error(`patchNodeField: regex pattern "${patch.find}" not found in "${operation.fieldPath}" (patch index ${i}). ` +
+                        `Use n8n_get_workflow to inspect the current value.`);
+                }
+                if (matches.length > 1 && !patch.replaceAll) {
+                    throw new Error(`patchNodeField: regex pattern "${patch.find}" matches ${matches.length} times in "${operation.fieldPath}" (patch index ${i}). ` +
+                        `Set "replaceAll": true to replace all occurrences, or refine the pattern to match exactly once.`);
+                }
+                const regex = patch.replaceAll ? globalRegex : new RegExp(patch.find);
+                current = current.replace(regex, patch.replace);
+            }
+            else {
+                const occurrences = countOccurrences(current, patch.find);
+                if (occurrences === 0) {
+                    throw new Error(`patchNodeField: "${patch.find.substring(0, 80)}" not found in "${operation.fieldPath}" (patch index ${i}). ` +
+                        `Ensure the find string exactly matches the current content (including whitespace and newlines). ` +
+                        `Use n8n_get_workflow to inspect the current value.`);
+                }
+                if (occurrences > 1 && !patch.replaceAll) {
+                    throw new Error(`patchNodeField: "${patch.find.substring(0, 80)}" found ${occurrences} times in "${operation.fieldPath}" (patch index ${i}). ` +
+                        `Set "replaceAll": true to replace all occurrences, or use a more specific find string that matches exactly once.`);
+                }
+                if (patch.replaceAll) {
+                    current = current.split(patch.find).join(patch.replace);
+                }
+                else {
+                    current = current.replace(patch.find, patch.replace);
+                }
+            }
+        }
+        this.setNestedProperty(node, operation.fieldPath, current);
+        const sanitized = (0, node_sanitizer_1.sanitizeNode)(node);
+        Object.assign(node, sanitized);
+    }
    applyMoveNode(workflow, operation) {
        const node = this.findNode(workflow, operation.nodeId, operation.nodeName);
        if (!node)
@@ -924,6 +1064,8 @@ class WorkflowDiffEngine {
        const keys = path.split('.');
        let current = obj;
        for (const key of keys) {
+            if (DANGEROUS_PATH_KEYS.has(key))
+                return undefined;
            if (current == null || typeof current !== 'object')
                return undefined;
            current = current[key];
@@ -933,6 +1075,9 @@ class WorkflowDiffEngine {
    setNestedProperty(obj, path, value) {
        const keys = path.split('.');
        let current = obj;
+        if (keys.some(k => DANGEROUS_PATH_KEYS.has(k))) {
+            throw new Error(`Invalid property path: "${path}" contains a forbidden key`);
+        }
        for (let i = 0; i < keys.length - 1; i++) {
            const key = keys[i];
            if (!(key in current) || typeof current[key] !== 'object' || current[key] === null) {
--- a/dist/services/workflow-diff-engine.js.map
+++ b/dist/services/workflow-diff-engine.js.map
--- a/dist/services/workflow-validator.d.ts.map
+++ b/dist/services/workflow-validator.d.ts.map
@@ -1 +1 @@
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+{"version":3,"file":"workflow-validator.d.ts","sourceRoot":"","sources":["../../src/services/workflow-validator.ts"],"names":[],"mappings":"AAMA,OAAO,EAAE,cAAc,EAAE,MAAM,6BAA6B,CAAC;AAC7D,OAAO,EAAE,uBAAuB,EAAE,MAAM,6BAA6B,CAAC;AAkBtE,eAAO,MAAM,sBAAsB,aASjC,CAAC;AAEH,UAAU,YAAY;IACpB,EAAE,EAAE,MAAM,CAAC;IACX,IAAI,EAAE,MAAM,CAAC;IACb,IAAI,EAAE,MAAM,CAAC;IACb,QAAQ,EAAE,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;IAC3B,UAAU,EAAE,GAAG,CAAC;IAChB,WAAW,CAAC,EAAE,GAAG,CAAC;IAClB,QAAQ,CAAC,EAAE,OAAO,CAAC;IACnB,KAAK,CAAC,EAAE,MAAM,CAAC;IACf,WAAW,CAAC,EAAE,OAAO,CAAC;IACtB,WAAW,CAAC,EAAE,MAAM,CAAC;IACrB,cAAc,CAAC,EAAE,OAAO,CAAC;IACzB,OAAO,CAAC,EAAE,uBAAuB,GAAG,qBAAqB,GAAG,cAAc,CAAC;IAC3E,WAAW,CAAC,EAAE,OAAO,CAAC;IACtB,QAAQ,CAAC,EAAE,MAAM,CAAC;IAClB,gBAAgB,CAAC,EAAE,MAAM,CAAC;IAC1B,gBAAgB,CAAC,EAAE,OAAO,CAAC;IAC3B,WAAW,CAAC,EAAE,OAAO,CAAC;CACvB;AAED,UAAU,kBAAkB;IAC1B,CAAC,UAAU,EAAE,MAAM,GAAG;QACpB,CAAC,UAAU,EAAE,MAAM,GAAG,KAAK,CAAC,KAAK,CAAC;YAAE,IAAI,EAAE,MAAM,CAAC;YAAC,IAAI,EAAE,MAAM,CAAC;YAAC,KAAK,EAAE,MAAM,CAAA;SAAE,CAAC,CAAC,CAAC;KACnF,CAAC;CACH;AAED,UAAU,YAAY;IACpB,IAAI,CAAC,EAAE,MAAM,CAAC;IACd,KAAK,EAAE,YAAY,EAAE,CAAC;IACtB,WAAW,EAAE,kBAAkB,CAAC;IAChC,QAAQ,CAAC,EAAE,GAAG,CAAC;IACf,UAAU,CAAC,EAAE,GAAG,CAAC;IACjB,OAAO,CAAC,EAAE,GAAG,CAAC;IACd,IAAI,CAAC,EAAE,GAAG,CAAC;CACZ;AAED,MAAM,WAAW,eAAe;IAC9B,IAAI,EAAE,OAAO,GAAG,SAAS,CAAC;IAC1B,MAAM,CAAC,EAAE,MAAM,CAAC;IAChB,QAAQ,CAAC,EAAE,MAAM,CAAC;IAClB,OAAO,EAAE,MAAM,CAAC;IAChB,OAAO,CAAC,EAAE,GAAG,CAAC;IACd,IAAI,CAAC,EAAE,MAAM,CAAC;IACd,GAAG,CAAC,EAAE;QACJ,IAAI,EAAE,MAAM,CAAC;QACb,WAAW,CAAC,EAAE,MAAM,CAAC;QACrB,aAAa,CAAC,EAAE,MAAM,CAAC;QACvB,WAAW,CAAC,EAAE,MAAM,CAAC;KACtB,CAAC;CACH;AAED,MAAM,WAAW,wBAAwB;IACvC,KAAK,EAAE,OAAO,CAAC;IACf,MAAM,EAAE,eAAe,EAAE,CAAC;IAC1B,QAAQ,EAAE,eAAe,EAAE,CAAC;IAC5B,UAAU,EAAE;QACV,UAAU,EAAE,MAAM,CAAC;QACnB,YAAY,EAAE,MAAM,CAAC;QACrB,YAAY,EAAE,MAAM,CAAC;QACrB,gBAAgB,EAAE,MAAM,CAAC;QACzB,kBAAkB,EAAE,MAAM,CAAC;QAC3B,oBAAoB,EAAE,MAAM,CAAC;KAC9B,CAAC;IACF,WAAW,EAAE,MAAM,EAAE,CAAC;CACvB;AAED,qBAAa,iBAAiB;IAK1B,OAAO,CAAC,cAAc;IACtB,OAAO,CAAC,aAAa;IALvB,OAAO,CAAC,eAAe,CAA6B;IACpD,OAAO,CAAC,iBAAiB,CAAwB;gBAGvC,cAAc,EAAE,cAAc,EAC9B,aAAa,EAAE,OAAO,uBAAuB;IAWjD,gBAAgB,CACpB,QAAQ,EAAE,YAAY,EACtB,OAAO,GAAE;QACP,aAAa,CAAC,EAAE,OAAO,CAAC;QACxB,mBAAmB,CAAC,EAAE,OAAO,CAAC;QAC9B,mBAAmB,CAAC,EAAE,OAAO,CAAC;QAC9B,OAAO,CAAC,EAAE,SAAS,GAAG,SAAS,GAAG,aAAa,GAAG,QAAQ,CAAC;KACvD,GACL,OAAO,CAAC,wBAAwB,CAAC;IAgHpC,OAAO,CAAC,yBAAyB;YAkInB,gBAAgB;IAgP9B,OAAO,CAAC,mBAAmB;IA4F3B,OAAO,CAAC,yBAAyB;IAuHjC,OAAO,CAAC,gCAAgC;IAoFxC,OAAO,CAAC,wBAAwB;IAsChC,OAAO,CAAC,oBAAoB;IAuE5B,OAAO,CAAC,kBAAkB;IAsB1B,OAAO,CAAC,oBAAoB;IA4B5B,OAAO,CAAC,gBAAgB;IASxB,OAAO,CAAC,wBAAwB;IAmBhC,OAAO,CAAC,yBAAyB;IA8DjC,OAAO,CAAC,8BAA8B;IAmDtC,OAAO,CAAC,wBAAwB;IAuChC,OAAO,CAAC,iBAAiB;IAoCzB,OAAO,CAAC,2BAA2B;IA4EnC,OAAO,CAAC,QAAQ;IA4EhB,OAAO,CAAC,mBAAmB;IA4F3B,OAAO,CAAC,wBAAwB;IA2BhC,OAAO,CAAC,YAAY;IAgBpB,OAAO,CAAC,qBAAqB;IAgG7B,OAAO,CAAC,qBAAqB;IA8C7B,OAAO,CAAC,mBAAmB;IA4E3B,OAAO,CAAC,sBAAsB;IAyT9B,OAAO,CAAC,yBAAyB;IAqCjC,OAAO,CAAC,gCAAgC;IA8BxC,OAAO,CAAC,gCAAgC;IAsFxC,OAAO,CAAC,gBAAgB;IA4CxB,OAAO,CAAC,2BAA2B;CAmEpC"}
--- a/dist/services/workflow-validator.js
+++ b/dist/services/workflow-validator.js
@@ -14,6 +14,7 @@ const ai_node_validator_1 = require("./ai-node-validator");
 const ai_tool_validators_1 = require("./ai-tool-validators");
 const node_type_utils_1 = require("../utils/node-type-utils");
 const node_classification_1 = require("../utils/node-classification");
+const n8n_validation_1 = require("./n8n-validation");
 const tool_variant_generator_1 = require("./tool-variant-generator");
 const logger = new logger_1.Logger({ prefix: '[WorkflowValidator]' });
 exports.VALID_CONNECTION_TYPES = new Set([
@@ -367,6 +368,17 @@ class WorkflowValidator {
                        message: typeof warning === 'string' ? warning : warning.message || String(warning)
                    });
                });
+                if (node.type === 'n8n-nodes-base.if' || node.type === 'n8n-nodes-base.switch') {
+                    const conditionErrors = (0, n8n_validation_1.validateConditionNodeStructure)(node);
+                    for (const err of conditionErrors) {
+                        result.errors.push({
+                            type: 'error',
+                            nodeId: node.id,
+                            nodeName: node.name,
+                            message: err
+                        });
+                    }
+                }
            }
            catch (error) {
                result.errors.push({
--- a/dist/services/workflow-validator.js.map
+++ b/dist/services/workflow-validator.js.map
--- a/dist/types/index.d.ts
+++ b/dist/types/index.d.ts
@@ -2,6 +2,7 @@ export * from './node-types';
 export * from './type-structures';
 export * from './instance-context';
 export * from './session-state';
+export * from './generate-workflow';
 export interface MCPServerConfig {
    port: number;
    host: string;
--- a/dist/types/index.d.ts.map
+++ b/dist/types/index.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/types/index.ts"],"names":[],"mappings":"AACA,cAAc,cAAc,CAAC;AAC7B,cAAc,mBAAmB,CAAC;AAClC,cAAc,oBAAoB,CAAC;AACnC,cAAc,iBAAiB,CAAC;AAEhC,MAAM,WAAW,eAAe;IAC9B,IAAI,EAAE,MAAM,CAAC;IACb,IAAI,EAAE,MAAM,CAAC;IACb,SAAS,CAAC,EAAE,MAAM,CAAC;CACpB;AAMD,MAAM,WAAW,eAAe;IAE9B,KAAK,CAAC,EAAE,MAAM,CAAC;IAEf,YAAY,CAAC,EAAE,OAAO,CAAC;IAEvB,eAAe,CAAC,EAAE,OAAO,CAAC;IAE1B,cAAc,CAAC,EAAE,OAAO,CAAC;IAEzB,aAAa,CAAC,EAAE,OAAO,CAAC;CACzB;AAED,MAAM,WAAW,cAAc;IAC7B,IAAI,EAAE,MAAM,CAAC;IACb,WAAW,EAAE,MAAM,CAAC;IACpB,WAAW,EAAE;QACX,IAAI,EAAE,MAAM,CAAC;QACb,UAAU,EAAE,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;QAChC,QAAQ,CAAC,EAAE,MAAM,EAAE,CAAC;QACpB,oBAAoB,CAAC,EAAE,OAAO,GAAG,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;KACtD,CAAC;IACF,YAAY,CAAC,EAAE;QACb,IAAI,EAAE,MAAM,CAAC;QACb,UAAU,EAAE,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;QAChC,QAAQ,CAAC,EAAE,MAAM,EAAE,CAAC;QACpB,oBAAoB,CAAC,EAAE,OAAO,GAAG,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;KACtD,CAAC;IAEF,WAAW,CAAC,EAAE,eAAe,CAAC;IAC9B,KAAK,CAAC,EAAE;QACN,EAAE,CAAC,EAAE;YACH,WAAW,CAAC,EAAE,MAAM,CAAC;SACtB,CAAC;KACH,CAAC;CACH;AAED,MAAM,WAAW,kBAAkB;IACjC,GAAG,EAAE,MAAM,CAAC;IACZ,IAAI,EAAE,MAAM,CAAC;IACb,WAAW,CAAC,EAAE,MAAM,CAAC;IACrB,QAAQ,CAAC,EAAE,MAAM,CAAC;CACnB;AAED,MAAM,WAAW,gBAAgB;IAC/B,IAAI,EAAE,MAAM,CAAC;IACb,WAAW,CAAC,EAAE,MAAM,CAAC;IACrB,SAAS,CAAC,EAAE,KAAK,CAAC;QAChB,IAAI,EAAE,MAAM,CAAC;QACb,WAAW,CAAC,EAAE,MAAM,CAAC;QACrB,QAAQ,CAAC,EAAE,OAAO,CAAC;KACpB,CAAC,CAAC;CACJ"}
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/types/index.ts"],"names":[],"mappings":"AACA,cAAc,cAAc,CAAC;AAC7B,cAAc,mBAAmB,CAAC;AAClC,cAAc,oBAAoB,CAAC;AACnC,cAAc,iBAAiB,CAAC;AAChC,cAAc,qBAAqB,CAAC;AAEpC,MAAM,WAAW,eAAe;IAC9B,IAAI,EAAE,MAAM,CAAC;IACb,IAAI,EAAE,MAAM,CAAC;IACb,SAAS,CAAC,EAAE,MAAM,CAAC;CACpB;AAMD,MAAM,WAAW,eAAe;IAE9B,KAAK,CAAC,EAAE,MAAM,CAAC;IAEf,YAAY,CAAC,EAAE,OAAO,CAAC;IAEvB,eAAe,CAAC,EAAE,OAAO,CAAC;IAE1B,cAAc,CAAC,EAAE,OAAO,CAAC;IAEzB,aAAa,CAAC,EAAE,OAAO,CAAC;CACzB;AAED,MAAM,WAAW,cAAc;IAC7B,IAAI,EAAE,MAAM,CAAC;IACb,WAAW,EAAE,MAAM,CAAC;IACpB,WAAW,EAAE;QACX,IAAI,EAAE,MAAM,CAAC;QACb,UAAU,EAAE,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;QAChC,QAAQ,CAAC,EAAE,MAAM,EAAE,CAAC;QACpB,oBAAoB,CAAC,EAAE,OAAO,GAAG,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;KACtD,CAAC;IACF,YAAY,CAAC,EAAE;QACb,IAAI,EAAE,MAAM,CAAC;QACb,UAAU,EAAE,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;QAChC,QAAQ,CAAC,EAAE,MAAM,EAAE,CAAC;QACpB,oBAAoB,CAAC,EAAE,OAAO,GAAG,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC;KACtD,CAAC;IAEF,WAAW,CAAC,EAAE,eAAe,CAAC;IAC9B,KAAK,CAAC,EAAE;QACN,EAAE,CAAC,EAAE;YACH,WAAW,CAAC,EAAE,MAAM,CAAC;SACtB,CAAC;KACH,CAAC;CACH;AAED,MAAM,WAAW,kBAAkB;IACjC,GAAG,EAAE,MAAM,CAAC;IACZ,IAAI,EAAE,MAAM,CAAC;IACb,WAAW,CAAC,EAAE,MAAM,CAAC;IACrB,QAAQ,CAAC,EAAE,MAAM,CAAC;CACnB;AAED,MAAM,WAAW,gBAAgB;IAC/B,IAAI,EAAE,MAAM,CAAC;IACb,WAAW,CAAC,EAAE,MAAM,CAAC;IACrB,SAAS,CAAC,EAAE,KAAK,CAAC;QAChB,IAAI,EAAE,MAAM,CAAC;QACb,WAAW,CAAC,EAAE,MAAM,CAAC;QACrB,QAAQ,CAAC,EAAE,OAAO,CAAC;KACpB,CAAC,CAAC;CACJ"}
--- a/dist/types/index.js
+++ b/dist/types/index.js
@@ -18,4 +18,5 @@ __exportStar(require("./node-types"), exports);
 __exportStar(require("./type-structures"), exports);
 __exportStar(require("./instance-context"), exports);
 __exportStar(require("./session-state"), exports);
+__exportStar(require("./generate-workflow"), exports);
 //# sourceMappingURL=index.js.map
--- a/dist/types/index.js.map
+++ b/dist/types/index.js.map
@@ -1 +1 @@
-{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/types/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;AACA,+CAA6B;AAC7B,oDAAkC;AAClC,qDAAmC;AACnC,kDAAgC"}
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/types/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;AACA,+CAA6B;AAC7B,oDAAkC;AAClC,qDAAmC;AACnC,kDAAgC;AAChC,sDAAoC"}
--- a/dist/types/workflow-diff.d.ts
+++ b/dist/types/workflow-diff.d.ts
@@ -40,6 +40,18 @@ export interface DisableNodeOperation extends DiffOperation {
    nodeId?: string;
    nodeName?: string;
 }
+export interface PatchNodeFieldOperation extends DiffOperation {
+    type: 'patchNodeField';
+    nodeId?: string;
+    nodeName?: string;
+    fieldPath: string;
+    patches: Array<{
+        find: string;
+        replace: string;
+        replaceAll?: boolean;
+        regex?: boolean;
+    }>;
+}
 export interface AddConnectionOperation extends DiffOperation {
    type: 'addConnection';
    source: string;
@@ -114,7 +126,7 @@ export interface ReplaceConnectionsOperation extends DiffOperation {
        };
    };
 }
-export type WorkflowDiffOperation = AddNodeOperation | RemoveNodeOperation | UpdateNodeOperation | MoveNodeOperation | EnableNodeOperation | DisableNodeOperation | AddConnectionOperation | RemoveConnectionOperation | RewireConnectionOperation | UpdateSettingsOperation | UpdateNameOperation | AddTagOperation | RemoveTagOperation | ActivateWorkflowOperation | DeactivateWorkflowOperation | CleanStaleConnectionsOperation | ReplaceConnectionsOperation | TransferWorkflowOperation;
+export type WorkflowDiffOperation = AddNodeOperation | RemoveNodeOperation | UpdateNodeOperation | PatchNodeFieldOperation | MoveNodeOperation | EnableNodeOperation | DisableNodeOperation | AddConnectionOperation | RemoveConnectionOperation | RewireConnectionOperation | UpdateSettingsOperation | UpdateNameOperation | AddTagOperation | RemoveTagOperation | ActivateWorkflowOperation | DeactivateWorkflowOperation | CleanStaleConnectionsOperation | ReplaceConnectionsOperation | TransferWorkflowOperation;
 export interface WorkflowDiffRequest {
    id: string;
    operations: WorkflowDiffOperation[];
@@ -149,7 +161,7 @@ export interface NodeReference {
    id?: string;
    name?: string;
 }
-export declare function isNodeOperation(op: WorkflowDiffOperation): op is AddNodeOperation | RemoveNodeOperation | UpdateNodeOperation | MoveNodeOperation | EnableNodeOperation | DisableNodeOperation;
+export declare function isNodeOperation(op: WorkflowDiffOperation): op is AddNodeOperation | RemoveNodeOperation | UpdateNodeOperation | PatchNodeFieldOperation | MoveNodeOperation | EnableNodeOperation | DisableNodeOperation;
 export declare function isConnectionOperation(op: WorkflowDiffOperation): op is AddConnectionOperation | RemoveConnectionOperation | RewireConnectionOperation | CleanStaleConnectionsOperation | ReplaceConnectionsOperation;
 export declare function isMetadataOperation(op: WorkflowDiffOperation): op is UpdateSettingsOperation | UpdateNameOperation | AddTagOperation | RemoveTagOperation;
 //# sourceMappingURL=workflow-diff.d.ts.map
--- a/dist/types/workflow-diff.d.ts.map
+++ b/dist/types/workflow-diff.d.ts.map
@@ -1 +1 @@
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--- a/dist/types/workflow-diff.js
+++ b/dist/types/workflow-diff.js
@@ -4,7 +4,7 @@ exports.isNodeOperation = isNodeOperation;
 exports.isConnectionOperation = isConnectionOperation;
 exports.isMetadataOperation = isMetadataOperation;
 function isNodeOperation(op) {
-    return ['addNode', 'removeNode', 'updateNode', 'moveNode', 'enableNode', 'disableNode'].includes(op.type);
+    return ['addNode', 'removeNode', 'updateNode', 'patchNodeField', 'moveNode', 'enableNode', 'disableNode'].includes(op.type);
 }
 function isConnectionOperation(op) {
    return ['addConnection', 'removeConnection', 'rewireConnection', 'cleanStaleConnections', 'replaceConnections'].includes(op.type);
--- a/dist/types/workflow-diff.js.map
+++ b/dist/types/workflow-diff.js.map
@@ -1 +1 @@
-{"version":3,"file":"workflow-diff.js","sourceRoot":"","sources":["../../src/types/workflow-diff.ts"],"names":[],"mappings":";;AAkNA,0CAIC;AAED,sDAGC;AAED,kDAGC;AAdD,SAAgB,eAAe,CAAC,EAAyB;IAGvD,OAAO,CAAC,SAAS,EAAE,YAAY,EAAE,YAAY,EAAE,UAAU,EAAE,YAAY,EAAE,aAAa,CAAC,CAAC,QAAQ,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC;AAC5G,CAAC;AAED,SAAgB,qBAAqB,CAAC,EAAyB;IAE7D,OAAO,CAAC,eAAe,EAAE,kBAAkB,EAAE,kBAAkB,EAAE,uBAAuB,EAAE,oBAAoB,CAAC,CAAC,QAAQ,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC;AACpI,CAAC;AAED,SAAgB,mBAAmB,CAAC,EAAyB;IAE3D,OAAO,CAAC,gBAAgB,EAAE,YAAY,EAAE,QAAQ,EAAE,WAAW,CAAC,CAAC,QAAQ,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC;AACnF,CAAC"}
+{"version":3,"file":"workflow-diff.js","sourceRoot":"","sources":["../../src/types/workflow-diff.ts"],"names":[],"mappings":";;AAgOA,0CAIC;AAED,sDAGC;AAED,kDAGC;AAdD,SAAgB,eAAe,CAAC,EAAyB;IAGvD,OAAO,CAAC,SAAS,EAAE,YAAY,EAAE,YAAY,EAAE,gBAAgB,EAAE,UAAU,EAAE,YAAY,EAAE,aAAa,CAAC,CAAC,QAAQ,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC;AAC9H,CAAC;AAED,SAAgB,qBAAqB,CAAC,EAAyB;IAE7D,OAAO,CAAC,eAAe,EAAE,kBAAkB,EAAE,kBAAkB,EAAE,uBAAuB,EAAE,oBAAoB,CAAC,CAAC,QAAQ,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC;AACpI,CAAC;AAED,SAAgB,mBAAmB,CAAC,EAAyB;IAE3D,OAAO,CAAC,gBAAgB,EAAE,YAAY,EAAE,QAAQ,EAAE,WAAW,CAAC,CAAC,QAAQ,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC;AACnF,CAAC"}
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "n8n-mcp",
-  "version": "2.42.0",
+  "version": "2.47.1",
  "description": "Integration between n8n workflow automation and Model Context Protocol (MCP)",
  "main": "dist/index.js",
  "types": "dist/index.d.ts",
@@ -12,7 +12,7 @@
    }
  },
  "bin": {
-    "n8n-mcp": "./dist/mcp/index.js"
+    "n8n-mcp": "./dist/mcp/stdio-wrapper.js"
  },
  "scripts": {
    "build": "tsc -p tsconfig.build.json",
@@ -124,6 +124,7 @@
    "dist/**/*",
    "ui-apps/dist/**/*",
    "data/nodes.db",
+    "data/workflow-patterns.json",
    ".env.example",
    "README.md",
    "LICENSE",
@@ -139,27 +140,27 @@
    "@vitest/coverage-v8": "^3.2.4",
    "@vitest/runner": "^3.2.4",
    "@vitest/ui": "^3.2.4",
-    "axios": "^1.11.0",
+    "axios": "^1.14.0",
    "axios-mock-adapter": "^2.1.0",
    "fishery": "^2.3.1",
    "msw": "^2.10.4",
-    "nodemon": "^3.1.10",
+    "nodemon": "^3.1.14",
    "ts-node": "^10.9.2",
    "typescript": "^5.8.3",
    "vitest": "^3.2.4"
  },
  "dependencies": {
    "@modelcontextprotocol/sdk": "1.28.0",
-    "@n8n/n8n-nodes-langchain": "^2.13.1",
+    "@n8n/n8n-nodes-langchain": "^2.14.1",
    "@supabase/supabase-js": "^2.57.4",
    "dotenv": "^16.5.0",
    "express": "^5.1.0",
    "express-rate-limit": "^7.1.5",
    "form-data": "^4.0.5",
    "lru-cache": "^11.2.1",
-    "n8n": "^2.13.3",
-    "n8n-core": "^2.13.1",
-    "n8n-workflow": "^2.13.1",
+    "n8n": "^2.14.2",
+    "n8n-core": "^2.14.1",
+    "n8n-workflow": "^2.14.1",
    "openai": "^4.77.0",
    "sql.js": "^1.13.0",
    "tslib": "^2.6.2",
--- a/package.runtime.json
+++ b/package.runtime.json
@@ -1,6 +1,6 @@
 {
  "name": "n8n-mcp-runtime",
-  "version": "2.33.2",
+  "version": "2.46.0",
  "description": "n8n MCP Server Runtime Dependencies Only",
  "private": true,
  "dependencies": {
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Romuald Członkowski	1750fb4acf	fix: credential get fallback, update type field, and code refinements (v2.47.1) (#703 ) - GET /credentials/:id is not in the n8n public API; fall back to list + filter, catching both 403 and 405 responses - Forward optional `type` field in credential update for n8n versions that require it in PATCH payload - Strip `data` field from create/update credential responses - Code simplification: typed error handling, consolidated booleans, null-coalescing in version fetch Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-04 13:09:03 +02:00
Romuald Członkowski	796c427317	feat: add n8n_audit_instance and n8n_manage_credentials tools (v2.47.0) (#702 ) Add comprehensive security auditing combining n8n's built-in POST /audit API with deep workflow scanning using 50+ regex patterns for hardcoded secrets, unauthenticated webhook detection, error handling gap analysis, data retention risk assessment, and PII detection. The audit returns a compact markdown report grouped by workflow with a Remediation Playbook showing auto-fixable items (with tool chains), items requiring review, and items requiring user action. Also adds n8n_manage_credentials tool (list/get/create/update/delete/getSchema) enabling AI agents to create credentials and assign them to nodes as part of security remediation. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-04 11:27:20 +02:00
Romuald Członkowski	12d7d5bdb6	fix: resolve SSE reconnection loop with separate /sse + /messages endpoints (v2.46.1) (#699 ) Fix SSE clients entering rapid reconnection loops because POST /mcp never routed messages to SSEServerTransport.handlePostMessage() (#617). Root cause: SSE sessions were stored in a separate `this.session` property invisible to the StreamableHTTP POST handler. The POST handler only checked `this.transports` (StreamableHTTP map), so SSE messages were never delivered, causing immediate reconnection and rate limiter exhaustion. Changes: - Add GET /sse + POST /messages endpoints following the official MCP SDK backward-compatible server pattern (separate endpoints per transport) - Store SSE transports in the shared this.transports map with instanceof guards for type discrimination - Remove legacy this.session singleton, resetSessionSSE(), and isExpired() - Extract duplicated auth logic into authenticateRequest() method - Add Bearer token auth and rate limiting to SSE endpoints - Add skipSuccessfulRequests to authLimiter to prevent 429 storms - Mark SSE transport as deprecated (removed in MCP SDK v2.x) The handleRequest() codepath used by the downstream SaaS backend (N8NMCPEngine.processRequest()) is unchanged. Session persistence (exportSessionState/restoreSessionState) is unchanged. Closes #617 Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-03 14:00:53 +02:00
Romuald Członkowski	2d4115530c	feat: add patchNodeField operation for surgical string edits (v2.46.0) (#698 ) Add dedicated `patchNodeField` operation to `n8n_update_partial_workflow` for surgical find/replace edits in node string fields. Strict alternative to the existing `__patch_find_replace` in updateNode — errors on not-found, detects ambiguous matches, supports replaceAll and regex flags. Security hardening: - Prototype pollution protection in setNestedProperty/getNestedProperty - ReDoS protection rejecting unsafe regex patterns (nested quantifiers) - Resource limits: max 50 patches, 500-char regex, 512KB field size Fixes #696 Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-03 09:53:44 +02:00
Romuald Członkowski	ca20586eda	fix: use stdio-wrapper as bin entry and preserve credentials on workflow update (v2.45.1) (#695 ) Switch the npm bin entry from index.js to stdio-wrapper.js to prevent INFO-level logs from corrupting the JSON-RPC stdio transport. Also update both publish scripts so the fix persists across releases. Fixes #693. Preserve node credentials during full workflow updates. AI-generated node updates typically omit credential references, causing the n8n API to reject the PUT. The update handler now merges credentials from the current server-side workflow when user-provided nodes lack them. Fixes #689. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-02 22:40:17 +02:00
Romuald Członkowski	8888c63e7a	chore: update n8n to 2.14.2 and bump version to 2.45.0 (#692 ) Update n8n dependencies: - n8n: 2.13.3 → 2.14.2 - n8n-core: 2.13.1 → 2.14.1 - n8n-workflow: 2.13.1 → 2.14.1 - @n8n/n8n-nodes-langchain: 2.13.1 → 2.14.1 Preserved 584 community nodes and rebuilt FTS5 search index. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-02 07:38:58 +02:00
Romuald Członkowski	4b109b0870	fix: upgrade GitHub Actions and patch dependency vulnerabilities (v2.44.1) (#690 )	2026-04-01 21:17:59 +02:00
czlonkowski	b800ff0cd9	feat: add multi-step flow to n8n_generate_workflow tool (v2.44.0) Enable AI agents to act as quality gates for workflow generation: proposals → review → deploy. New parameters: deploy_id, confirm_deploy. New types: GenerateWorkflowProposal, status field on result. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-04-01 00:17:27 +02:00
Romuald Członkowski	77c92716a3	Merge pull request #686 from czlonkowski/feat/generate-workflow-tool feat: add n8n_generate_workflow tool	2026-03-31 12:45:11 +02:00
czlonkowski	198e773bb3	feat: add n8n_generate_workflow tool for hosted workflow generation Add new MCP tool that enables AI-powered workflow generation from natural language descriptions. Uses handler delegation pattern — hosting environments inject a GenerateWorkflowHandler via EngineOptions, self-hosted instances receive a hosted-only informational response. Handler flows through N8NMCPEngine → SingleSessionHTTPServer → N8NDocumentationMCPServer with helpers for createWorkflow, validateWorkflow, autofixWorkflow, and getWorkflow. Includes full tool documentation, tests, and corrected tools overview count. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-03-31 12:32:31 +02:00
Romuald Członkowski	3417c6701c	Merge pull request #685 from czlonkowski/fix/patterns-docs-and-token-trim-683 fix: trim patterns response tokens and complete documentation (v2.42.3)	2026-03-31 08:11:50 +02:00
czlonkowski	5b68d7fa53	fix: trim patterns response tokens and add missing documentation (#683 ) - Trim task-specific patterns ~64%: drop displayName, shorten field names (frequency→freq), cap chains at 5, use short node type names in chains - Add patterns mode to tools_documentation essentials, full docs, and tools-documentation.ts overview (was completely missing) - Document includeOperations omission behavior for trigger/freeform nodes - Add patterns return shape to search_templates returns documentation - Trim search_nodes examples from 11 to 6 Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-03-31 00:03:35 +02:00
Romuald Członkowski	54e445bc6a	Merge pull request #682 from czlonkowski/fix/include-patterns-in-npm-681 fix: include workflow-patterns.json in npm package (#681)	2026-03-30 22:27:13 +02:00
czlonkowski	49638b98cf	fix: include workflow-patterns.json in npm package (#681 ) Added data/workflow-patterns.json to the files array in package.json so the patterns file ships with the npm package. Without this, the search_templates patterns mode returns an error asking users to manually run the mine script. Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-03-30 21:59:52 +02:00
Romuald Członkowski	fa766eff3c	Merge pull request #680 from czlonkowski/fix/community-node-resource-grouping	2026-03-30 20:56:48 +02:00
czlonkowski	b890bd9601	fix: restore community nodes with resource-grouped operations (v2.42.1) - Restore 584 community nodes from n8n 2.13.3 DB snapshot - Re-extract operations from properties_schema with resource grouping (366 community nodes now have named resources, up from 10) - Fix community-node-service.ts extractOperations() to extract resource from displayOptions.show.resource - Bump version to 2.42.1 Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-03-30 18:18:19 +02:00
czlonkowski	7f7150b2f3	fix: add resource grouping to community node operations and restore 584 community nodes Community nodes copied from a pre-fix DB had flat operations without resource grouping. Fixed by: 1. Updating community-node-service.ts extractOperations() to extract resource from displayOptions.show.resource (same fix as property-extractor.ts) 2. Re-extracting operations from properties_schema for all 1,396 nodes 3. Restoring 584 community nodes from the n8n 2.13.3 DB snapshot 4. Rebuilding FTS5 index Result: 366 community nodes now have resource-grouped operations (up from 10). 64 community nodes remain flat (they have no resource/operation pattern). Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>	2026-03-30 17:46:22 +02:00