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Idempotency keys for AI agents: why hashing the arguments doesn't work

This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.

After our last post on why our agents refuse to redo work after a crash , a reader left a comment that took the discussion a level deeper. The point, roughly: you can't cleanly resume a non-deterministic trajectory, so the only thing that really holds is idempotency at the effect boundary. And then…

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  1. 2026-10-21 15:00 · DEV Community — AI
    Idempotency keys for AI agents: why hashing the arguments doesn't work

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