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---
name: n8n-validation-expert
description: "Expert guide for interpreting and fixing n8n validation errors."
risk: critical
source: community
date_added: "2026-03-06"
---
# 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.
