Retries Without Double Effects: Idempotency Keys for LLM Tool Calls
An LLM agent decides to call your create_refund tool. The request times out. The agent framework retries, or the model simply asks for the same tool call again on its next turn. Did the customer get one refund or two? Timeouts don't tell you whether the first attempt ran. That was true for every HT…
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- 2026-11-06 13:49 · DEV Community — AI
Retries Without Double Effects: Idempotency Keys for LLM Tool Calls