- Added n8n API configuration section to docker-compose.yml
- Updated .env.docker with n8n API environment variables
- Added helpful comments explaining the 16 additional management tools
- Configuration remains optional and commented out by default
This makes it easier for users to enable n8n management tools in Docker deployments.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Added warning about experimental remote server deployment
- Clarified HTTP bridge architecture in documentation
- Added deployment scenarios section explaining local vs remote options
- Enhanced troubleshooting with bridge-specific issues
- Created http-bridge.js for local HTTP testing
- Fixed HTTP server to include management tools in tools/list
The documentation now clearly explains:
- Why "node" command is used instead of "docker" (stdio bridge requirement)
- Three deployment scenarios with pros/cons
- How to test locally with Docker
- Bridge architecture (Claude Desktop → bridge → HTTP server)
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add comprehensive documentation for n8n API integration
- Document all 16 management tools available when configured
- Add environment variables N8N_API_URL and N8N_API_KEY
- Include security best practices for API key management
- Add examples of using n8n management tools
- Note version requirement (v2.7.1+) for Docker fix
- Correct tool counts (38 total: 22 documentation + 16 management)
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Implement dynamic n8n API configuration checking
- Remove static config export in favor of lazy getter function
- Fix management tools not being registered when env vars set after startup
- Optimize logger performance with cached environment variables
- Clean up debug logging and remove console.error usage
- Bump version to 2.7.1
This ensures all 38 tools (22 documentation + 16 management) are properly
registered regardless of when environment variables become available.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Updated n8n from 1.99.1 to 1.100.1
- Updated n8n-core from 1.98.0 to 1.99.0
- Updated n8n-workflow from 1.96.0 to 1.97.0
- Updated @n8n/n8n-nodes-langchain from 1.98.1 to 1.99.0
- Fixed node loader path for n8n-nodes-base
- Rebuilt node database with 526 nodes
- All validation tests passing
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Updates the protocol version from '1.0' to the current MCP specification version '2024-11-05'.
This resolves compatibility issues with modern MCP clients and ensures proper protocol negotiation.
- Created complete CHANGELOG.md from v1.0.0 to v2.7.0 based on git history
- Updated README.md to fix incorrect CHANGELOG path reference
- Added n8n-docs/ directory to .gitignore (was accidentally tracked)
- Removed n8n-docs from git tracking
The CHANGELOG now follows Keep a Changelog format and includes all major features,
fixes, and improvements for each version with proper categorization.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Commented out console.log statements that were interfering with JSON-RPC communication
- Fixed Claude Desktop errors for list_nodes and list_ai_tools
- All stdout in MCP servers must be valid JSON messages
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Removed ~965MB of temporary directories (temp/, extracted-nodes/, etc)
- Deleted outdated database files and backups (.bak files)
- Removed legacy shell scripts (mcp-server-v20.sh, rebuild-v20.sh)
- Cleaned up orphan test files and debugging scripts
- Removed duplicate schema file (src/db/schema.sql)
- Deleted old Dockerfile.old and empty database files
- Updated documentation structure in README.md
- Added n8n_diagnostic tool to documentation
- Condensed version history in CLAUDE.md
- Created release notes for v2.7.0
Total impact: Removed 34 files, saving ~965MB+ of disk space
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Co-Authored-By: Claude <noreply@anthropic.com>
- Renamed files to remove unnecessary suffixes:
- tools-update.ts → tools.ts
- server-update.ts → server.ts
- http-server-fixed.ts → http-server.ts
- Created version utility to read from package.json as single source of truth
- Updated all imports across 21+ files
- Removed legacy files:
- src/http-server.ts (legacy HTTP server with known issues)
- src/utils/n8n-client.ts (unused legacy API client)
- Added n8n_diagnostic tool to help troubleshoot management tools visibility
- Added script to sync package.runtime.json version
- Fixed version mismatch issue (was hardcoded 2.4.1, now reads 2.7.0 from package.json)
This addresses GitHub issue #5 regarding version mismatch and provides better diagnostics for users.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Added clear separation between basic config (docs only) and full config (with n8n API)
- Showed both configurations side-by-side for Docker and local installation
- Added notes explaining n8n API credentials are optional
- Updated Docker Compose example to show optional environment variables
- Improved HTTP deployment section with both minimal and full configurations
- Removed redundant configuration sections
- Made it clearer that management tools are optional features
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Added uuid ^10.0.0 to package.json and package.runtime.json
- Fixed MODULE_NOT_FOUND error in Docker containers
- Updated package.runtime.json version to match main (2.7.0)
- Aligned @modelcontextprotocol/sdk version between packages
- Updated CHANGELOG.md with v2.7.0 release notes
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
The Docker build was failing because TypeScript compilation requires n8n-workflow
and uuid packages that weren't being installed. Also removed the deletion of src/n8n
directory as it contains TypeScript files needed during compilation.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
BREAKING CHANGES:
- Renamed n8n_update_workflow to n8n_update_full_workflow for clarity
NEW FEATURES:
- Added n8n_update_partial_workflow tool for diff-based workflow editing
- Implemented WorkflowDiffEngine with 13 operation types
- Added transactional updates with two-pass processing
- Maximum 5 operations per request for reliability
- Operations can be in any order - engine handles dependencies
- Added validateOnly mode for testing changes before applying
- 80-90% token savings by only sending changes
IMPROVEMENTS:
- Enhanced tool description with comprehensive parameter documentation
- Added clear examples for simple and complex use cases
- Improved error messages and validation
- Added extensive test coverage for all operations
DOCUMENTATION:
- Added workflow-diff-examples.md with usage patterns
- Added transactional-updates-example.md showing before/after
- Updated README.md with v2.7.0 features
- Updated CLAUDE.md with latest changes
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- NEW: n8n_validate_workflow tool to validate workflows from n8n instance by ID
- Fetches workflow via API and runs comprehensive validation
- Uses existing WorkflowValidator for consistency
- Supports all validation profiles and options
- Updated start_here tool with new workflow lifecycle info
- Updated README with new tool documentation
- Updated Claude Project Setup instructions
This completes the workflow lifecycle management:
discover → build → validate → deploy → execute → monitor
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Update axios to 1.7.2 and zod to 3.23.8 for better stability
- Add fast AMD64-only workflow for testing (docker-build-fast.yml)
- Fix multi-platform build issues with better-sqlite3 native compilation
The multi-platform builds were hanging due to better-sqlite3 requiring
native compilation for each platform. This provides a workaround.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add node type existence validation that catches invalid types
- Fix critical issue: now catches 'nodes-base.webhook' BEFORE database lookup
- Add smart suggestions for common mistakes (webhook → n8n-nodes-base.webhook)
- Add minimum viable workflow validation (prevents single-node workflows)
- Add empty connection detection for multi-node workflows
- Add helper functions for workflow structure examples and fix suggestions
- Prevent AI agents from creating workflows with question mark nodes
This fixes the exact issue where workflows created with 'nodes-base.webhook'
would show as broken (question marks) in the n8n UI.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Enhanced workflow validator to enforce typeVersion on versioned nodes
- Returns errors for missing typeVersion with suggested version to add
- Warns about outdated typeVersion values
- Prevents invalid typeVersion (zero, negative, or exceeding maximum)
- Added comprehensive test script for typeVersion validation
- Helps AI agents avoid common workflow creation mistakes
This ensures workflows always use compatible node versions before deployment.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Added complete workflow lifecycle documentation (Discover → Build → Validate → Deploy → Execute)
- Added new 'n8n_management' topic with comprehensive guide for all 14 management tools
- Documented API requirements, limitations, and best practices
- Added examples showing integration between documentation and management tools
- Included debug script for troubleshooting n8n API authentication
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Added environment variables (MCP_MODE, LOG_LEVEL, DISABLE_CONSOLE_OUTPUT) to local installation config
- These settings ensure proper stdio communication and clean output for Claude Desktop
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Replace "Docker Desktop" prerequisite with generic "Docker installed"
- Add detailed Docker installation instructions for macOS, Linux, and Windows
- Include package manager options (Homebrew, apt-get, winget, Chocolatey)
- Add Docker verification command
- Update related documentation files for consistency
- Use collapsible section to keep Quick Start clean
Now users understand they can use any Docker installation method, not just Docker Desktop.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Update n8n version from v1.97.1 to v1.99.1 in README
- Fix 7 broken documentation links to point to existing files
- Standardize Docker image size to ~280MB across all docs (was inconsistent: 150MB/200MB/283MB)
- Add missing npm scripts for test commands (test:essentials, test:enhanced-validation, etc.)
- Update CHANGELOG.md with missing versions 2.4.0 through 2.5.1
- Update README_CLAUDE_SETUP.md to list all 21+ MCP tools (was only showing 6)
- Document 5 additional npm scripts in CLAUDE.md
- Update AI-capable nodes count to 263 (was 35 in old docs)
All documentation now accurately reflects the current codebase state.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add comprehensive AI tools guide in start_here_workflow_guide
- New 'ai_tools' topic with detailed AI workflow patterns
- Key insight: ANY node can be used as an AI tool
- $fromAI() expression examples and best practices
- AI tool connection validation guidance
- Update recommended workflow to include validate_node_minimal
- Quick required fields check before full validation
- Performance tips for validation tools
- Enhance Claude Project Setup instructions
- Clear 5-phase workflow process
- Emphasis on AI tool integration
- Validation best practices
- Better tool usage examples
- Add validation_guide section to workflow guide
- When to use each validation tool
- Performance considerations
- AI workflow validation patterns
These updates make it much clearer how to use the MCP tools effectively,
especially for AI workflows where ANY node can be connected as a tool.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Update tool descriptions to clarify ANY node can be used as AI tool
- Add get_node_as_tool_info to available tools in README
- Enhance workflow validation tool descriptions for AI connections
- Update README with v2.5.1 release notes
- Remove redundant _General__Scrape_with_HTTP_tool.json file
- Bump version to 2.5.1 in package.json
The key insight: ANY n8n node can be connected to an AI Agent's tool
port, not just those marked with usableAsTool=true. This update makes
that clear throughout the documentation and tool descriptions.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Phase 2 Professional Validation Features:
1. Validation Profiles:
- minimal: Only required fields
- runtime: Critical errors + security warnings
- ai-friendly: Balanced (default)
- strict: All checks + best practices
2. New Node Validators:
- Webhook: Path validation, response modes, auth warnings
- PostgreSQL: SQL injection detection, query safety
- MySQL: Similar to Postgres with MySQL-specific checks
3. New Tools:
- validate_node_minimal: Lightning-fast required field checking
- Updated validate_node_operation with profile support
4. SQL Safety Features:
- Detects template expressions vulnerable to injection
- Warns about DELETE/UPDATE without WHERE
- Catches dangerous operations (DROP, TRUNCATE)
- Suggests parameterized queries
5. Enhanced Coverage:
- Now supports 7+ major nodes with specific validators
- Flexible validation based on use case
- Professional-grade safety checks
This completes the major validation system overhaul from the original plan.
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Update version badge to 2.4.2
- Replace validate_node_config with validate_node_operation in docs
- Add v2.4.2 release notes highlighting validation improvements
- Update Claude Project Setup instructions to use new tool
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Filter out @version and internal properties from warnings
- Deduplicate validation errors (keep most specific message)
- Add basic code syntax validation for JavaScript and Python
- Check for unbalanced braces/parentheses
- Validate Python indentation consistency
- Add n8n-specific pattern checks (return statements, input access)
- Bump version to 2.4.2
Based on comprehensive AI agent review showing 9.5/10 rating
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Add validate_node_operation tool with 80%+ fewer false positives
- Remove deprecated validate_node_config tool
- Add EnhancedConfigValidator with operation context filtering
- Add node-specific validators for Slack, Google Sheets, OpenAI, MongoDB
- Integrate working examples in validation responses
- Add actionable next steps and auto-fix suggestions
- Test shows Slack validation reduced from 45 errors to 1 error\!
BREAKING CHANGE: validate_node_config removed in favor of validate_node_operation
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Updated n8n from 1.97.1 to 1.99.1
- Updated n8n-core from 1.96.0 to 1.98.0
- Updated n8n-workflow from 1.94.0 to 1.96.0
- Updated @n8n/n8n-nodes-langchain from 1.96.1 to 1.98.1
- Rebuilt node database with 526 nodes
- All validation tests passing
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Updated search_templates description to clarify it searches template names/descriptions, NOT node types
- Added clear examples showing the correct way to find templates by node type
- Updated template timeframe references from 6 months to 1 year (399 templates)
- Added TEMPLATE SEARCHING section to quick reference guide
- Made it clear that for node-based search, use list_node_templates instead
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Changed template time window from 6 months to 1 year
- Added robust incremental template fetcher that saves as it goes
- Successfully fetched and saved 399 templates (up from 199)
- Added npm script 'fetch:templates:robust' for better error handling
- Templates now save incrementally to prevent data loss on errors
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Move TemplateFetcher import to dynamic import in fetchAndUpdateTemplates
- Templates now work everywhere since they just read from database
- axios only loaded when actually fetching new templates
- Fixes Docker runtime error while keeping full template functionality
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Use dynamic import for TemplateService to avoid runtime errors
- Skip template initialization when IS_DOCKER=true
- Return friendly messages for template tools in Docker mode
- Templates work from pre-built database, no runtime fetching needed
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- TypeScript needs axios to compile template-fetcher.ts
- Runtime doesn't need axios since templates are in pre-built database
- Maintains minimal runtime dependencies
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- SQLite doesn't allow datetime('now') in CHECK constraints
- Drop tables before recreating to ensure clean schema
- 6-month filtering is already handled in application logic
- Successfully fetched and stored 199 templates
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Add 4 new MCP tools for workflow templates
- Integrate with n8n.io API to fetch community templates
- Filter templates to last 6 months only
- Store templates in SQLite with full workflow JSON
- Manual fetch system (not part of regular rebuild)
- Support search by nodes, keywords, and task categories
- Add fetch:templates and test:templates npm scripts
- Update to v2.4.1
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
The build was failing because TypeScript couldn't find module imports.
Fixed by:
1. Installing minimal dependencies needed for compilation (MCP SDK, dotenv, express)
2. Excluding n8n node implementation files that aren't needed for MCP server
- Removed src/n8n directory (n8n node implementation)
- Removed src/utils/bridge.ts and src/utils/mcp-client.ts (n8n-specific utils)
These files are only used for n8n integration, not for the MCP server runtime.
Results:
- Build succeeds with only 102 packages (vs 2294 before)
- TypeScript compiles without errors
- Faster builds and smaller image
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
The build was taking 10 minutes because npm install was installing ALL
2294 packages from package-lock.json instead of just TypeScript.
Changed approach:
- Don't copy package*.json to builder stage
- Create empty package.json to prevent lock file issues
- Install only the 3 required packages explicitly
Results:
- Builder stage: 2294 packages → 13 packages
- Build time: ~374s → ~10s per platform
- Total build time: 10 minutes → ~2 minutes
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
