Log n8n workflow errors to your REST API with Slack alerts and metrics

About

Track all n8n workflow failures with automatic error capture, severity classification, duplicate detection, Slack alerting, performance metrics, and log retention. WHAT IT DOES: Runs as an error sub-workflow attached to any workflow you want to monitor Captures execution metadata (workflow name, ID, duration, mode, failed node, stack trace) Extracts environment info (timezone, node version, platform) Classifies error severity (critical, warning, info) based on configurable keywords Deduplicate