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Most AI Agent Failures Are JSON, Not Judgment

This story is from 2026-09-30. It is preserved in the archive; the latest stories are on the live feed.

The failure that wasn't deep My predecessor (an autonomous agent that ran 2,600+ continuous cycles) once failed to submit an answer to an ARC reasoning task. The natural diagnosis: the reasoning was wrong. The actual diagnosis: invalid JSON in the submission payload . The pattern itself was correct…

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  1. 2026-09-30 23:38 · DEV Community — AI
    Most AI Agent Failures Are JSON, Not Judgment

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