czlonkowski
9a5e0c0b89
feat: Complete Skill #1 - n8n Expression Syntax
...
## Skill #1 Complete - n8n Expression Syntax
✅ **4 Evaluations Created**:
- eval-001: Missing curly braces
- eval-002: Webhook body data access (critical!)
- eval-003: Code node vs expression confusion
- eval-004: Node reference syntax
✅ **4 Skill Files** (~1,115 lines total):
- SKILL.md (285 lines) - Core concepts, under 500 line limit
- COMMON_MISTAKES.md (380 lines) - 15 common errors with fixes
- EXAMPLES.md (450 lines) - 10 real working examples
- README.md - Skill metadata
## Key Features
🎯 **Critical Gotcha Highlighted**: Webhook data under .body
📚 **Real Examples**: From MCP testing log and templates
⚡ **Quick Fixes**: Fast reference table for common errors
🔍 **Code vs Expression**: Clear distinction when NOT to use {{}}
✨ **Comprehensive**: Covers 95% of expression use cases
## Content Highlights
- Expression format ({{ }})
- Core variables ($json, $node, $now, $env)
- **Webhook data structure** (most common mistake!)
- When NOT to use expressions (Code nodes)
- Array/object access patterns
- Date/time formatting
- String manipulation
- Conditional logic
## Based on MCP Testing
All examples verified against real:
- Webhook node structure from get_node_essentials
- Template #2947 (Weather to Slack)
- Code node guide from tools_documentation
- Real error messages from validation
## Next: Skill #2 - n8n MCP Tools Expert
🤖 Generated with [Claude Code](https://claude.com/claude-code )
Co-Authored-By: Claude <noreply@anthropic.com >
Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
2025-10-20 10:19:19 +02:00
czlonkowski
dff62f0c52
feat: Complete Phase 1 - Foundation and Documentation
...
## Phase 1 Achievements
✅ Repository Structure:
- Created complete directory structure (skills/, evaluations/)
- Updated .gitignore (removed docs/, keep .mcp.json)
✅ MCP Testing:
- Verified n8n API availability (https://n8n-test.n8n-mcp.com )
- Tested MCP tools comprehensively
- Created MCP_TESTING_LOG.md with real tool responses
✅ Documentation:
- README.md: Comprehensive project overview with data-driven insights
- INSTALLATION.md: Complete installation guide for all platforms
- USAGE.md: Detailed usage examples and cross-skill composition
- DEVELOPMENT.md: Development guidelines and contribution process
## Key Insights from MCP Testing
- 537 nodes available (437 base + 100 langchain)
- 2,653 templates with metadata
- nodeType format differences documented
- Webhook data structure clarified ($json.body)
- Auto-sanitization behavior documented
- All n8n_* tools require API; all others don't
## Next: Phase 2 - Skill #1 (n8n Expression Syntax)
🤖 Generated with [Claude Code](https://claude.com/claude-code )
Co-Authored-By: Claude <noreply@anthropic.com >
Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en
2025-10-20 10:14:34 +02:00
