- Added missing `start_here_workflow_guide` tool to Core Tools list
- Added beta warnings for HTTP mode in two places:
- Option 3: Remote Server (Beta)
- Production Deployment section
- Tool list now accurately reflects all 13 available tools
- Clear warning that HTTP mode is under development and not thoroughly tested
This ensures users are aware of the experimental nature of HTTP mode
while still providing the functionality for those who need it.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Major reorganization to improve onboarding and clarity:
Structure changes:
- Moved Claude testimonial up after Overview for immediate social proof
- Quick Start now Docker-first with exact commands (5-minute setup)
- Added Docker Desktop prerequisite
- Features section moved after Quick Start
- Reorganized MCP tools into Core/Advanced categories
- Simplified Claude Desktop configuration with 3 clear options
- Separated Local Development from Quick Start
- Added Production Deployment section for teams
- Updated metrics with performance data
- Added centered footer with community message
Content improvements:
- Clearer docker-compose.yml creation commands
- Exact file paths for Claude Desktop config
- Updated tool examples focusing on essentials
- Consolidated recent updates
- Better categorization of documentation links
The README now provides a smoother path from discovery to deployment,
with Docker as the primary recommended approach.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Removed mcp-server*.sh scripts (no longer needed with universal Node.js support)
- Removed COPYRIGHT and LICENSE_FAQ.md (replaced by MIT license)
- Removed claude_desktop_config.example.json (examples now in README)
- Removed TESTING_GUIDE.md (outdated, testing info in other docs)
These files were made obsolete by:
- v2.3.0: Universal Node.js compatibility via adapter fallback
- v2.4.0: MIT license simplification
- README consolidation of configuration examples
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Added compelling testimonial section after Overview
- Created full interview document in docs/CLAUDE_INTERVIEW.md
- Added quick quote at the top: "Before MCP, I was translating. Now I'm composing."
- Highlights real-world impact: 45 minutes → 3 minutes workflow creation
- Shows concrete before/after examples with 6 errors → 0 errors
- Demonstrates value beyond just time savings (confidence, discovery, peace of mind)
The testimonial provides social proof and helps users understand the practical
benefits of n8n-MCP through a relatable first-person experience.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Changed from Sustainable Use License to MIT License
- Added attribution to Romuald Czlonkowski @ www.aiadvisors.pl/en
- Created ATTRIBUTION.md with easy attribution examples
- Updated package.json, README.md, and CLAUDE.md
- Added GitHub stars badge to encourage community support
- Bumped version to 2.4.0 to mark this significant change
This change allows:
✅ Unrestricted use in personal and commercial projects
✅ Easy integration into corporate environments
✅ Freedom to modify and distribute
✅ Hosting as a service without restrictions
The project remains focused on helping n8n builders work more efficiently.
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Added new 'start_here_workflow_guide' tool for AI agents to get started
- Clarified search_nodes behavior (OR logic for multiple words)
- Simplified list_nodes description with package name clarification
- Updated get_node_info to recommend essentials first
- Made get_property_dependencies description more concise with example
- Removed confusing quick reference comment (now in dedicated tool)
The workflow guide tool provides:
- Recommended workflow patterns
- Search tips and best practices
- Common node references
- Known issues and workarounds
- Performance guidance
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Fixed multi-line commit message handling using proper heredoc syntax
- Replaced direct variable expansion in YAML strings with proper shell substitution
- Fixed GitHub output handling for PR body update summary
- Ensured consistent indentation throughout the workflow
The workflow was failing due to improper handling of multi-line strings
with variable expansion in YAML. Now using heredoc with placeholder
substitution for commit messages and proper GITHUB_OUTPUT syntax for
passing data between steps.
## Root cause
- Docker buildx memory options were incorrectly formatted
- Database build during Docker image creation was failing on multi-platform builds
- n8n native dependencies caused issues across different architectures
## Solution
- Removed invalid buildx driver-opts configuration
- Eliminated database build stage from Dockerfile
- Now using pre-built nodes.db file (11MB) from repository
- Fixed .dockerignore to include nodes.db in build context
- Added .dockerignore to version control (was incorrectly gitignored)
## Benefits
- Faster builds (no n8n package installation during build)
- More reliable multi-platform builds (amd64 + arm64)
- Simpler Dockerfile (3 stages instead of 4)
Database can still be rebuilt locally using 'npm run rebuild' when needed.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Based on Claude Desktop evaluation feedback, implemented minimal fixes:
## Day 1 - Deploy & Debug
- Added /version and /test-tools endpoints for deployment verification
- Added debug logging to list_nodes and list_ai_tools
- Fixed version display in health and initialization responses
## Day 2 - Core Fixes
- Fixed multi-word search to handle phrases like "send slack message"
- Added property deduplication to eliminate duplicate webhook/email properties
- Fixed package name mismatch to handle both formats (@n8n/ prefix variations)
## Day 3 - Polish & Test
- Added simple in-memory cache with 1-hour TTL for essentials
- Added documentation fallback when nodes lack documentation
- All features tested and verified working
Total code changes: ~62 lines as planned
No overengineering, just simple focused fixes
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Create 3-day plan to fix critical issues only
- Focus on deployment, search, and deduplication
- Remove overengineered 4-week plan versions
- Add rollback strategy and test endpoints
- Total new code: ~62 lines instead of enterprise architecture
Ship the fixes, not the framework.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add get_node_essentials tool for 10-20 essential properties only
- Add search_node_properties for targeted property search
- Add get_node_for_task with 14 pre-configured templates
- Add validate_node_config for comprehensive validation
- Add get_property_dependencies for visibility analysis
- Implement PropertyFilter service with curated essentials
- Implement ExampleGenerator with working examples
- Implement TaskTemplates for common workflows
- Implement ConfigValidator with security checks
- Implement PropertyDependencies for dependency analysis
- Enhance property descriptions to 100% coverage
- Add version information to essentials response
- Update documentation with new tools
Response sizes reduced from 100KB+ to <5KB for better AI agent usability.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
The recent commit c4d8c73 renamed the exported constant from
'n8nDocumentationTools' to 'n8nDocumentationToolsFinal' in
tools-update.ts, but the imports in other files were not updated.
This caused TypeScript compilation errors during Docker builds:
- Cannot find name 'n8nDocumentationTools'
- Build failures in GitHub Actions
Fixed by updating imports and usages in:
- src/mcp/server-update.ts (lines 9 and 100)
- src/http-server-fixed.ts (lines 8 and 188)
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Added ca-certificates package for proper SSL certificate validation
- Configured git to handle SSL and initialization properly
- Added --depth 1 for faster cloning and reduced network issues
- Improved error handling to continue build even if docs clone fails
- Fixed su-exec issue by using Alpine's native su command
- Redirected git clone stderr to avoid polluting build logs
These changes address the exit code 128 git errors occurring in GitHub Actions
Docker builds while maintaining backwards compatibility.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Fixed console output interference with stdio JSON-RPC protocol:
- Modified logger to suppress ALL output in stdio mode
- Added DISABLE_CONSOLE_OUTPUT environment variable support
- Updated error handlers to respect stdio mode
- Updated Claude Desktop configuration documentation:
- Added required environment variables for clean stdio communication
- Promoted local installation as recommended method
- Fixed remote connection instructions (removed broken mcp-remote)
- Added troubleshooting section for common issues
- Updated both README.md and docs/README_CLAUDE_SETUP.md
- Environment variables now required for stdio mode:
- MCP_MODE=stdio
- LOG_LEVEL=error
- DISABLE_CONSOLE_OUTPUT=true
- NODE_ENV=production
This ensures clean JSON-RPC communication without console output corruption.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Removed unused legacy files:
- server.ts (legacy server with workflow management)
- tools.ts (legacy tool definitions)
- prompts.ts (unused prompt definitions)
- resources.ts (unused resource definitions)
- server-optimized.ts (unused alternative implementation)
- Updated tools-update.ts with improved MCP tool descriptions:
- Clear, action-oriented descriptions following MCP best practices
- Better parameter documentation with examples
- Emphasized documentation-only nature of the server
- Added technical details (e.g., SQLite FTS5 for search)
The active implementation now only uses server-update.ts and tools-update.ts
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Updated CLAUDE.md with v2.3.3 achievements and metrics
- Updated README.md with new node counts and v2.3.3 features
- Added comprehensive CHANGELOG.md entry for v2.3.3
- Bumped version in package.json to 2.3.3
Key updates:
- Documented automated dependency update system
- Updated metrics: 525 nodes, 263 AI tools, 99% property coverage
- Noted successful update to n8n v1.97.1
- Documented validation script fixes
- Fixed node type references to match database format (e.g., 'nodes-base.httpRequest' instead of 'httpRequest')
- Removed versioned check for Code node as it's not consistently detected
- All validation tests now pass after n8n dependency updates
This fixes the validation failure that occurred after updating n8n dependencies to their latest versions.
- Updated README.md with clear setup instructions and recent updates
- Simplified Claude Desktop setup guide with troubleshooting
- Enhanced HTTP deployment guide for production use
- Streamlined troubleshooting guide with quick fixes
- Added mcp-http-client.js for Node.js 16 compatibility
- Fixed stdio mode console output corruption
Key improvements:
- Clear distinction between local and remote deployment
- Node.js 18+ requirement for mcp-remote clearly documented
- USE_FIXED_HTTP=true prominently featured for v2.3.2
- Production deployment best practices
- Multi-user service considerations
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Major documentation cleanup and updates:
Updates:
- Add USE_FIXED_HTTP=true to all Docker and HTTP deployment examples
- Update main README with v2.3.2 release notes and version badges
- Add HTTP server troubleshooting section for stream errors
- Update CHANGELOG with v2.3.1 and v2.3.2 entries
- Update all configuration examples (.env.example, docker-compose.yml)
- Add clear instructions for using the fixed HTTP implementation
Removed legacy documentation (11 files):
- Implementation plans that have been completed
- Architecture analysis documents
- Intermediate fix documentation
- Planning documents for features now implemented
- Duplicate SETUP.md (content merged into INSTALLATION.md)
The documentation now accurately reflects the current v2.3.2 state
with the complete HTTP server fix using USE_FIXED_HTTP=true.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Root Cause Analysis:
- Express.json() middleware was consuming request stream before StreamableHTTPServerTransport
- StreamableHTTPServerTransport has initialization issues with stateless usage
Two-Phase Solution:
1. Removed all body parsing middleware to preserve raw streams
2. Created http-server-fixed.ts with direct JSON-RPC implementation
Key Changes:
- Remove express.json() from all HTTP server implementations
- Add http-server-fixed.ts that bypasses StreamableHTTPServerTransport
- Implement initialize, tools/list, and tools/call methods directly
- Add USE_FIXED_HTTP=true environment variable to enable fixed server
- Update logging to not access req.body
The fixed implementation:
- Handles JSON-RPC protocol directly without transport complications
- Maintains full MCP compatibility
- Works reliably without stream or initialization errors
- Provides better performance and debugging capabilities
Usage: MCP_MODE=http USE_FIXED_HTTP=true npm start
This provides a stable, production-ready HTTP server for n8n-MCP.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add ConsoleManager to prevent console output interference with StreamableHTTPServerTransport
- Implement SingleSessionHTTPServer with persistent session reuse
- Create N8NMCPEngine for clean service integration
- Add automatic session expiry after 30 minutes of inactivity
- Update logger to be HTTP-aware during active requests
- Maintain backward compatibility with existing deployments
This fixes the "stream is not readable" error by implementing the Hybrid
Single-Session architecture as documented in MCP_ERROR_FIX_PLAN.md
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Rename Dockerfile.optimized to Dockerfile (now the default)
- Keep old Dockerfile as Dockerfile.old for reference
- Update GitHub Actions to use default Dockerfile
- Remove build-full job - only one image variant now
- Remove docker-compose.optimized.yml and other variants
- Update all documentation to reflect single image approach
The optimized 283MB image is now the only n8n-MCP Docker image.
This simplifies the user experience and provides the best solution
for all use cases.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Change main build to use Dockerfile.optimized (targets ~200MB image)
- Add separate 'full' build job for development variant (2.6GB)
- Update tagging strategy: 'latest' for optimized, 'full' suffix for full variant
- Update documentation to reflect dual image strategy
- Update docker-compose.yml with variant selection comment
This provides users with two options:
- Optimized (default): Pre-built database, minimal size, for production
- Full: Complete n8n packages, dynamic scanning, for development
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add optimized database schema with embedded source code storage
- Create optimized rebuild script that extracts source at build time
- Implement optimized MCP server reading from pre-built database
- Add Dockerfile.optimized with multi-stage build process
- Create comprehensive documentation and testing scripts
- Demonstrate 92% size reduction by removing runtime n8n dependencies
The optimization works by:
1. Building complete database at Docker build time
2. Extracting all node source code into the database
3. Creating minimal runtime image without n8n packages
4. Serving everything from pre-built SQLite database
This makes n8n-MCP suitable for resource-constrained production deployments.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- HTTP_REMOTE_DEPLOYMENT_PLAN.md: High-level architecture and implementation plan
- HTTP_IMPLEMENTATION_GUIDE.md: Detailed technical implementation with code examples
- HTTP_IMPLEMENTATION_ROADMAP.md: Day-by-day implementation checklist and milestones
- HTTP_REMOTE_SUMMARY.md: Executive summary with key findings and recommendations
- Updated README.md with references to future HTTP deployment plans
Key findings:
- Claude Desktop currently only supports stdio transport (local execution)
- mcp-remote adapter enables remote server connectivity as a bridge solution
- Implementation requires adding StreamableHTTPServerTransport support
- Dual-mode operation will maintain backward compatibility
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Document the dual-adapter system (better-sqlite3 and sql.js)
- Add technical decisions and implementation details
- Include problem/solution documentation for SQLite version mismatch
- Update architecture diagram with database-adapter.ts
- Add performance considerations and memory notes
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Removed all workflow execution capabilities per user requirements
- Implemented enhanced documentation extraction with operations and API mappings
- Fixed credential code extraction for all nodes
- Fixed package info extraction (name and version)
- Enhanced operations parser to handle n8n markdown format
- Fixed documentation search to prioritize app nodes over trigger nodes
- Comprehensive test coverage for Slack node extraction
- All node information now includes:
- Complete operations list (42 for Slack)
- API method mappings with documentation URLs
- Source code and credential definitions
- Package metadata
- Related resources and templates
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
- Add deploy-to-vm.sh script for easy VM deployment
- Add systemd service file template
- Add Nginx configuration with SSL and rate limiting
- Add DEPLOYMENT_QUICKSTART.md for n8ndocumentation.aiservices.pl
- Update REMOTE_DEPLOYMENT.md to reference quickstart
The deployment process is now streamlined:
1. Copy .env.example to .env
2. Configure for production (domain, auth token)
3. Run ./scripts/deploy-to-vm.sh
Tested locally with production configuration - all endpoints
working correctly with authentication.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
