ReplayRCA proposes counterfactual replay to diagnose and fix AI agent failures

A new paper introduces ReplayRCA, a method that lets another language model locate the decisive mistake in a failed multi-step agent task and correct it with a single action, covering both post-hoc diagnosis and live oversight.

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2026-11-02 05:00 · arXiv cs.AI
ReplayRCA: Measuring Post-hoc Diagnosis and Live Oversight of Agent Failures by Counterfactual Replay

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