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Mutate the Oracle: A Property-Kill Matrix for Agent Patches

This story is from 2026-09-16. It is preserved in the archive; the latest stories are on the live feed.

A green agent patch is not evidence. It is a missing counterexample. The remaining signal is an oracle the agent cannot edit, plus a proof that the oracle can still fail. That proof is not mutation testing of the product. It is mutation testing of the assertions you own. Hash the fixtures the patch…

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  1. 2026-09-16 02:36 · DEV Community — AI
    Mutate the Oracle: A Property-Kill Matrix for Agent Patches

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