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AB-042
Response Matches Spec
What it means
Your API responses match what your specification promises.
Why it matters
If responses don't match the spec, agents get errors they can't predict. Consistency is key for trust.
✗
What's wrong
Spec says response has 'name' field, but actual response has 'username'. Agents break.
✓
What's right
Responses exactly match the specification.
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