refactor: major cleanup of legacy and temporary files
- Removed ~965MB of temporary directories (temp/, extracted-nodes/, etc) - Deleted outdated database files and backups (.bak files) - Removed legacy shell scripts (mcp-server-v20.sh, rebuild-v20.sh) - Cleaned up orphan test files and debugging scripts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 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
czlonkowski
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CLAUDE.md
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CLAUDE.md
@@ -68,94 +68,14 @@ n8n-mcp is a comprehensive documentation and knowledge server that provides AI a
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- ✅ Smart error handling for API limitations (activation, direct execution)
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- ✅ Conditional tool registration based on configuration
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## ✅ Previous Updates (v2.5.1)
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## ✅ Previous Updates
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### Update (v2.5.1) - AI Tool Support Enhancements:
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- ✅ **NEW: get_node_as_tool_info tool** - Get specific information about using ANY node as an AI tool
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- ✅ **Enhanced: get_node_info** - Now includes `aiToolCapabilities` section for all nodes
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- ✅ **Enhanced: list_ai_tools** - Added usage guidance explaining ANY node can be used as a tool
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- ✅ **Enhanced: WorkflowValidator** - Now validates `ai_tool` connections in workflows
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- ✅ AI workflow pattern detection - Warns when AI Agents have no tools connected
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- ✅ Community node detection - Reminds about N8N_COMMUNITY_PACKAGES_ALLOW_TOOL_USAGE environment variable
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- ✅ **NEW: AI Tool TaskTemplates** - Added use_google_sheets_as_tool, use_slack_as_tool, multi_tool_ai_agent
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- ✅ Comprehensive examples showing how to connect regular nodes as AI tools
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- ✅ Tool usage documentation with $fromAI() expression examples
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For a complete history of all updates from v2.0.0 to v2.5.1, please see [CHANGELOG.md](./CHANGELOG.md).
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### Update (v2.5.0) - Complete Workflow Validation:
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- ✅ **NEW: validate_workflow tool** - Validate entire workflows before deployment
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- ✅ **NEW: validate_workflow_connections tool** - Check workflow structure and connections
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- ✅ **NEW: validate_workflow_expressions tool** - Validate all n8n expressions in a workflow
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- ✅ **NEW: ExpressionValidator** - Comprehensive n8n expression syntax validation
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- ✅ **NEW: WorkflowValidator** - Complete workflow structure and logic validation
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- ✅ Detects cycles (infinite loops) in workflows
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- ✅ Validates node references in expressions ($node["Node Name"])
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- ✅ Checks for orphaned nodes and missing connections
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- ✅ Expression syntax validation with common mistake detection
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- ✅ Workflow best practices analysis with suggestions
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- ✅ Supports partial validation (nodes only, connections only, expressions only)
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- ✅ Test coverage for all validation scenarios
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### Update (v2.4.2) - Enhanced Node Configuration Validation:
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- ✅ **NEW: validate_node_operation tool** - Operation-aware validation with 80%+ fewer false positives
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- ✅ **NEW: validate_node_minimal tool** - Lightning-fast validation for just required fields
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- ✅ **NEW: Validation profiles** - Choose between minimal, runtime, ai-friendly, or strict validation
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- ✅ **NEW: EnhancedConfigValidator** - Smart validation that only checks relevant properties
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- ✅ **NEW: Node-specific validators** - Custom logic for Slack, Google Sheets, OpenAI, MongoDB, Webhook, Postgres, MySQL
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- ✅ **NEW: SQL safety features** - Detects SQL injection risks, unsafe DELETE/UPDATE queries
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- ✅ Added operation context filtering (only validates properties for selected operation)
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- ✅ Integrated working examples in validation responses when errors found
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- ✅ Added actionable next steps and auto-fix suggestions
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- ✅ Basic code syntax validation for JavaScript/Python in Code node
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- ✅ Dramatic improvement for complex multi-operation nodes
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- ✅ Test results: Slack validation reduced from 45 errors to 1 error!
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### Update (v2.4.1) - n8n Workflow Templates:
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- ✅ **NEW: list_node_templates tool** - Find workflow templates using specific nodes
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- ✅ **NEW: get_template tool** - Get complete workflow JSON for import
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- ✅ **NEW: search_templates tool** - Search templates by keywords
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- ✅ **NEW: get_templates_for_task tool** - Get curated templates for common tasks
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- ✅ Added Templates system with n8n.io API integration
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- ✅ Templates filtered to last 6 months only (freshness guarantee)
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- ✅ Manual fetch system - not part of regular rebuild
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- ✅ Full workflow JSON available for immediate use
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- ✅ 10 task categories: AI automation, data sync, webhooks, etc.
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### Update (v2.4.0) - AI-Optimized MCP Tools:
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- ✅ **NEW: get_node_essentials tool** - Returns only 10-20 essential properties (95% size reduction)
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- ✅ **NEW: search_node_properties tool** - Search for specific properties within nodes
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- ✅ **NEW: get_node_for_task tool** - Pre-configured settings for 14 common tasks
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- ✅ **NEW: list_tasks tool** - Discover available task templates
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- ✅ **NEW: validate_node_config tool** - Validate configurations before use
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- ✅ **NEW: get_property_dependencies tool** - Analyze property visibility dependencies
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- ✅ Added PropertyFilter service with curated essential properties for 20+ nodes
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- ✅ Added ExampleGenerator with working examples for common use cases
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- ✅ Added TaskTemplates service with 14 pre-configured tasks
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- ✅ Added ConfigValidator service for comprehensive validation
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- ✅ Added PropertyDependencies service for dependency analysis
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- ✅ Enhanced all property descriptions - 100% coverage
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- ✅ Added version information to essentials response
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- ✅ Dramatically improved AI agent experience for workflow building
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- ✅ Response sizes reduced from 100KB+ to <5KB for common nodes
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### Update (v2.3.3) - Automated Dependency Updates & Validation Fixes:
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- ✅ Implemented automated n8n dependency update system
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- ✅ Created GitHub Actions workflow for weekly updates
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- ✅ Fixed validation script to use correct node type format
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- ✅ Successfully updated to n8n v1.97.1 with all dependencies in sync
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- ✅ All 525 nodes loading correctly with validation passing
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### Previous Update (v2.3.2) - Complete MCP HTTP Fix:
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- ✅ Fixed "stream is not readable" error by removing body parsing middleware
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- ✅ Fixed "Server not initialized" error with direct JSON-RPC implementation
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- ✅ Created http-server-fixed.ts that bypasses StreamableHTTPServerTransport issues
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- ✅ Full MCP protocol compatibility without transport complications
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- ✅ Use `USE_FIXED_HTTP=true` environment variable to enable the fixed server
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### Previous Update (v2.3) - Universal Node.js Compatibility:
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- ✅ Automatic database adapter fallback system implemented
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- ✅ Works with ANY Node.js version (no more v20.17.0 requirement)
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- ✅ Seamless fallback from better-sqlite3 to sql.js
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- ✅ No manual configuration needed for Claude Desktop
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Key highlights from recent versions:
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- **v2.5.x**: AI tool support enhancements, workflow validation, expression validation
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- **v2.4.x**: AI-optimized tools, workflow templates, enhanced validation profiles
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- **v2.3.x**: Universal Node.js compatibility, HTTP server fixes, dependency management
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- ✅ Maintains full functionality with either adapter
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## ✅ Previous Achievements (v2.2)
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