Câu 44: CCA-F: Claude Certified Architect - Foundations

When implementing your lookup_order MCP tool, the backend sometimes returns errors (e.g., “Order not found” or temporary database failures). What is the correct pattern for communicating these errors back to the agent?

1. A. Throw an exception from the tool handler so the agent framework can catch and log it
2. B. Return the error message in the tool result content with the isError flag set to true — đáp án hiện tại
3. C. Log the error server-side and return an empty result to avoid confusing the model
4. D. Return a success response with a “status” field indicating the error type