What signals matter most when evaluating tool-using agents?

Instruction: Explain what you would look at beyond the final answer when evaluating an agent with tools.

Context: Checks whether the candidate can explain the core concept clearly and connect it to real production decisions. Explain what you would look at beyond the final answer when evaluating an agent with tools.

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For tool-using agents, the final answer is too late. I want to know whether the agent chose the right tool,...

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