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n8n

List, update, trigger, and retry n8n workflow executions via API.

Updated Jan 23, 2026
Search Tags:#automation#n8n#workflow management#webhook triggering#execution debugging#code nodes#retry failed runs
One-click install
npx skills add https://github.com/pokgak/agent-skills --skill n8n-pokgak
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: n8n
Source: https://github.com/pokgak/agent-skills/tree/main/skills/n8n
Command: npx skills add https://github.com/pokgak/agent-skills --skill n8n-pokgak

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It helps you manage n8n automation reliably by letting you inspect, edit, and trigger workflows, and by diagnosing failures in execution runs without manual UI work.

Core Features & Use Cases

  • Workflow management: list workflows and activate/deactivate them.
  • Node inspection and editing: view nodes, update parameters, and export/import Code node scripts for safer editing.
  • Execution troubleshooting: list executions, inspect execution error details, and retry failed executions.
  • Webhook triggering: trigger workflows by name with custom JSON payloads and test webhook runs.

Quick Start

Trigger an n8n workflow named "Checkout Webhook" with a JSON payload and then inspect the latest error execution to debug what failed.

Frequently Asked Questions about n8n

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I retry failed n8n workflow executions without using the UI?▼

You can retry failed n8n workflow executions deterministically by fetching execution data and re-running failed executions through the n8n-client CLI. This requires N8N_API_KEY and N8N_BASE_URL credentials to access the n8n API.

How do I trigger an n8n webhook workflow with a custom JSON payload?▼

Triggering an n8n webhook workflow is done by specifying the workflow name and passing a custom JSON payload. The Skill uses the n8n-client CLI to initiate test webhook runs, allowing you to verify automations outside the standard UI.

Can I edit Code node scripts in n8n workflows via command line?▼

Yes, you can inspect and edit Code node scripts in n8n workflows. The Skill supports viewing nodes, updating parameters, and exporting or importing Code node scripts to safely modify workflow logic via the n8n-client CLI.

What credentials do I need to manage n8n workflows via API?▼

Managing n8n workflows via API requires N8N_API_KEY and N8N_BASE_URL credentials. With these configured, you can list workflows, activate or deactivate them, and trigger runs using the n8n-client CLI.

How do I debug n8n execution errors from a failed automation run?▼

To debug n8n execution errors, you can list executions and inspect specific execution error details. The Skill fetches execution data via the n8n API to investigate failures in node parameters, code changes, or webhook-triggered runs.

What is the best way to update node parameters in n8n automations?▼

The best way to update node parameters in n8n automations is by inspecting the specific node and applying parameter changes. This Skill uses the n8n-client CLI to fetch workflow data, edit nodes, and re-run failed executions deterministically.

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