Find the cause before reaching for a workaround.
What it does
Diagnoses n8n workflow failures systematically, starting with cheap checks and escalating to source investigation when needed.
When to use it
Use when an n8n workflow errors, stops, produces unexpected results, or the user says it is not working.
How to use it
It changes how the agent diagnoses n8n workflow problems, checks executions and configuration, and reports confirmed causes or workarounds.
What you provide
- An existing project
Uses
Security reviews
Not yet reviewed.
What you need · 1
An n8n MCP connection must provide workflow, execution, node-type, validation, and testing tools used by the procedure.
Access · 4
This skill
n8n workflows and executions
Read
Reads workflows and executions
n8n workflow tests
Execute
Pinned workflow tests
n8n documentation
Read
Reads n8n API documentation