ba-n8n-validation-expert

To fix n8n validation errors, load the failing workflow, run validate_node, and address all MUST FIX items starting with common error types like missing_required or invalid_value. Re-run validation iteratively until the workflow reaches a valid, production-ready state.

n8n validation profiles are configuration levels consisting of minimal, runtime, ai-friendly, and strict modes. You should select a profile based on your context: use minimal for basic checks, runtime for execution safety, or strict for rigid production compliance.

A type_mismatch or invalid_reference error occurs when node configurations contain incompatible data types or broken connections. Use iterative validation guidance to interpret these specific error types and apply targeted recovery patterns to correct the invalid expressions.

Yes, iterative validation supports debugging n8n workflows across development, testing, and production contexts. By codifying the validation loop and applying appropriate validation profiles, you can ensure repeatable and safe workflow fixes throughout the deployment lifecycle.