Exam CCA-F Topic 1 Question 69 Discussion

Actual exam question for Anthropic's CCA-F exam
Question #: 69
Topic #: 1
A backend MCP tool encounters a timeout while querying a database. Which structured error response design is the correct approach to propagate this to the agent?

Suggested Answer: C Vote an answer

Proper error propagation in MCP requires returning structured error metadata with 'isError: true', the error category (e.g., timeout), and an 'isRetryable' boolean. Returning generic errors hides context, and silently returning empty arrays is a critical anti-pattern because the agent will hallucinate that no data exists.

by Janet at Jul 31, 2026, 02:17 AM

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