Skill · Automation
N8n validation expert
Expert guide for interpreting and fixing n8n validation errors.
How to use it
- Start your plan and connect your AI once
- Add the skill to your AI, one time only: press Copy skill and paste it into your AI's instructions: a project in ChatGPT, Claude or Grok, a Gem in Gemini, an agent in Microsoft 365 Copilot, or a rule in Cursor. It stays there for every new chat. In Kimi, paste it at the start of a new chat.
- Ask for the task in your own words, or say it directly:
Use the N8n validation expert skill to help me with this.SKILL.md2 files in this skill
n8n Validation Expert
Expert guide for interpreting and fixing n8n validation errors.
Detailed Guide
Read [the detailed guide](references/detailed-guide.md) before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely.
When to Use
- You need to interpret or fix validation errors in an n8n workflow.
- The task involves
missing_required,invalid_value, expression failures, or iterative validate-fix loops. - You want concrete remediation guidance for workflow validation output.
Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.