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4 Commits

Author SHA1 Message Date
czlonkowski
533b1acc20 feat: implement comprehensive workflow validation (v2.5.0) 
Major Features:
- Add ExpressionValidator for n8n expression syntax validation
- Add WorkflowValidator for complete workflow structure validation
- Add three new MCP tools: validate_workflow, validate_workflow_connections, validate_workflow_expressions

Validation Capabilities:
- ✅ Detects workflow cycles (infinite loops)
- ✅ Validates n8n expressions with syntax checking
- ✅ Checks node references in expressions
- ✅ Identifies orphaned nodes and missing connections
- ✅ Supports multiple node type formats (n8n-nodes-base, @n8n/n8n-nodes-langchain)
- ✅ Provides actionable error messages and suggestions

Testing & Analysis:
- Add test scripts for workflow validation
- Add template validation testing
- Add validation summary analysis tool
- Fixed expression validation false positives
- Handle node type normalization correctly

Results from testing 50 real n8n templates:
- 70.9% of errors are from informal sticky notes
- Expression validation catches real syntax issues
- Cycle detection prevents runtime infinite loops
- Successfully validates both core and LangChain nodes

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-06-24 14:45:36 +02:00
czlonkowski
48fd319a1b feat: expand template window from 6 months to 1 year and add robust fetcher 
- 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>
 2025-06-20 00:52:26 +02:00
czlonkowski
12d23d65a0 fix: make templates available in Docker by removing axios from runtime 
- 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>
 2025-06-20 00:35:29 +02:00
czlonkowski
08f9d1ad30 feat: add n8n workflow templates as MCP tools 
- 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>
 2025-06-20 00:02:09 +02:00