- Added 14 n8n management tools for workflow CRUD and execution management - Integrated n8n API client with full error handling and validation - Added conditional tool registration (only when N8N_API_URL configured) - Complete workflow lifecycle: discover → build → validate → deploy → execute - Updated documentation and added integration tests - Maintains backward compatibility - existing functionality unchanged 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>