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Debugging a broken n8n workflow v1.0.0

Use this resource to find the cause of an error or unexpected output in n8n

New

  • 458 downloads
  • 197 likes
  • 165 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install n8n-workflow-debugging

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent checks the symptom and the execution first, re-reads the workflow and node types, then tests with pinned data and reads the n8n source when needed. You get a precise diagnosis, followed by a fix or a workaround.

Mostly picked by

Updated November 2, 2026

Card for the “Debugging a broken n8n workflow” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md: eight-step method from symptom to report
  • references/PARAMETER_VERIFICATION.md: checking parameters and their types
  • references/FETCHING_N8N_SOURCE.md: reading the n8n source code

Good fit for

  • A workflow stops without a clear error message
  • A field returns null when it should hold a value

Not for

    Tags

    • n8n
    • debugging
    • errors
    • workflows
    • diagnosis

    About

    You say

    “My send step stops at Gmail and I don't see why.”

    Card for the “Debugging a broken n8n workflow” skill

    Skill published by n8n-io under the Apache-2.0 license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to find the cause of an error or unexpected output in n8n
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE11.2 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/FETCHING_N8N_SOURCE.md5 KB
    • references/PARAMETER_VERIFICATION.md6 KB
    • SKILL.md11 KB

    Origin and licence

    Listed unmodified

    Author
    n8n-io
    Source
    github.com/n8n-io/skills/tree/27b6b9f429ac0be90cae764512dbc579d7107e95/skills/n8n-debugging-official
    Licence
    Apache-2.0

    Notice

    « n8n-debugging-official » (n8n-io, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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