Kelsey Brown

Error monitor: AI-powered resolution [Context7, Supabase]

## Never miss a workflow failure Automatically capture, analyze, and debug n8n workflow errors using Claude Sonnet 4 with real-time documentation lookup via Context7 MCP server.  ## Why this works better **Documentation-first AI analysis** Context7 searches official n8n docs before diagnosing. Claude Sonnet 4 only responds after finding relevant documentation—no hallucinations. **Complete error intelligence** Every error stored in Supabase with full context: stack traces, execution data, workflow structure, AI analysis. Track patterns across all workflows. **Production-ready emails** Professional HTML with inline code snippets, proper formatting, and one-click execution links. ## What happens **Root cause** - Plain English explanation **Specific fix** - Exact field names and values **Prevention tip** - Avoid future errors **Execution link** - One-click debug access **Statistics** - Error frequency tracking ## How it works 1. **Error** → Your workflow fails 2. **Capture** → Full context retrieved 3. **Research** → Context7 searches n8n 4. **Analysis** → AI diagnoses with context 5. **Email** → Formatted alert delivered 6. **Record** → Error stored in database ## Requirements - **Supabase** - Free tier works - **OpenRouter** - $5 credit - **Context7** - Free API available - **SMTP** - For email delivery - **n8n API** - Must be enabled **Setup:** 15 minutes ## Overview Complete instructions with SQL script included in workflow sticky notes. **Activate:** Settings → Error Workflow → Select this workflow ## Customize **Reduce cost:** Remove `workflow_json` and `execution_data` from prompt **Change output:** Swap email node for Telegram/Slack/Discord—expressions provided in notes ## FAQ **Works with community nodes?** Yes. Context7 searches all n8n documentation. **Handles sensitive data?** Remove `workflow_json` and `execution_data` from prompt to exclude content. **Customizable design?** Yes. HTML template in "Build HTML" node is fully editable.