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Fixing n8n validation errors v1.0.0

Use this resource to interpret and fix validation errors in an n8n workflow

New

  • 449 downloads
  • 164 likes
  • 166 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install n8n-validation-error-fixes

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 reads the validation errors in your n8n workflow, identifies the cause (required field, invalid value, expression) and proposes a fix, then validates again. You get a corrected workflow and a list of changes.

Mostly picked by

Updated November 2, 2026

Card for the “Fixing n8n validation errors” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: procedure for reading errors and the validation loop
  • references/detailed-guide.md: full guide to errors and prerequisites

Good fit for

  • An n8n workflow cannot be activated because a required field is missing
  • An n8n expression fails without a clear message

Not for

    Tags

    • n8n
    • validation
    • workflow
    • expressions
    • automation

    About

    You say

    “Fix the validation errors in this n8n workflow that block its activation.”

    Card for the “Fixing n8n validation errors” skill

    Skill published by sickn33 under the MIT 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 interpret and fix validation errors in an n8n workflow
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/detailed-guide.md15.7 KB
    • SKILL.md1.2 KB

    Origin and licence

    Listed unmodified

    Author
    sickn33
    Source
    github.com/sickn33/agentic-awesome-skills/tree/e9809578fd426a284af017c5db99f8eb6628e6ca/skills/n8n-validation-expert
    Licence
    MIT

    Notice

    « n8n-validation-expert » (sickn33, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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