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Single tool-loop, planner-executor, or multi-agent: how do you choose an agent architecture?

Multi-agent is the most over-prescribed architecture in the industry. A staff-level answer is a decision framework driven by task structure and context limits, with the orchestration failure modes named before the interviewer asks.

Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

Multi-agent is the most over-prescribed architecture in the industry. A staff-level answer is a decision framework driven by task structure and context limits, with the orchestration failure modes named before the interviewer asks.

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