Structured Error Responses

🤖 Machine-Readable Pillar: Discovery Moderate effort Severity: low Est. cost: $10-50 Gap: documentation Fix: deterministic

What it means

Your API returns errors in a consistent, machine-readable format.

When agents get a structured error, they can understand what went wrong and retry correctly. Plain text errors are useless.

This rule is verified by:

openapi json_schema Source: OpenAPI / JSON Schema

✗

Errors return plain text like 'Something went wrong'. Agents can't parse or respond to this.

✓

Errors return structured data with error code, message, and suggested action.

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This rule is also available as JSON: /rules/AB-012.json