n8n Monitor Skill

Monitor your self-hosted n8n instance through a webhook-based API. Get health reports, detect failing workflows, and debug errors using structured data from your n8n executions.

Quick Workflow

1. Call the webhook with {"action": "get_workflow_executions", "limit": 50} to get a health overview
2. Check the summary.failureRate to determine status: GREEN (<10%), YELLOW (10-25%), RED (>25%)
3. If failures exist, check workflowPerformance.topProblematicWorkflows for the worst offenders
4. For deep debugging, call {"action": "get_execution_details", "limit": 5, "workflow_id": "<ID>"} to get error messages and failed nodes

Available Endpoints

All endpoints are POST requests to the N8N_WEBHOOK_URL environment variable.

get_active_workflows

Returns all active workflows with IDs, names, and metadata.