Agent skill · data analytics · davila7
n8n-validation-expert
Interpret validation errors and guide fixing them. Use when encountering validation errors, validation warnings, false positives, operator structure issues, or need help understanding validation results. Also use when asking about validation profiles, error types, or the validation loop process.
Why this skill is useful
Provides specific guidance on interpreting and fixing n8n validation errors, which the AI may not reliably generate on its own.
What it needs
About 8k tokens when loaded. Last updated 2026-08-06. 30,138 stars on the source repository.
What this skill does
n8n Validation Expert Expert guide for interpreting and fixing n8n validation errors. --- Validation Philosophy Validate early, validate often Validation is typically iterative: Expect validation feedback loops Usually 2-3 validate → fix cycles Average: 23s thinking about errors, 58s fixing them Key insight: Validation is an iterative process, not one-shot! --- Error Severity Levels 1. Errors (Must Fix) Blocks workflow execution - Must be resolved before activation Types: missingrequired - Required field not provided invalidvalue - Value doesn't match allowed options typemismatch - Wrong data type (string instead of number) invalidreference - Referenced node doesn't exist invalidexpression - Expression syntax error Example: 2. Warnings (Should Fix) Doesn't block execution - Workflow can be activated but may have issues Types: bestpractice - Recommended but not required deprecated - Using old API/feature performance - Potential performance issue Example: 3. Suggestions (Optional) Nice to have - Improvements that could enhance workflow Types: optimization - Could be more efficient alternative - Better way to achieve same result --- The Validation Loop Pattern from Telemetry 7,841 occurrences of this pattern: Example This is normal! Don't be discouraged by multiple iterations. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills davila7/n8n-validation-expert