A production agent was observed to repeat actions for 40 steps without error, as its repetition detector was measuring the wrong thing. A new progress signal that monitors the world state instead of the agent's actions can fix this issue. Separately, Open-Inspect's retry cascade, fallback hand-off, evaluator shadow mode, and feedback rerun are designed to keep background agents operational during multi-hour tasks. In other news, Google has officially classified attempts to manipulate AI answers in Search as spam since May 2026. AI
IMPACT New methods for agent fault tolerance and progress monitoring could improve the reliability of long-running AI tasks.
RANK_REASON The cluster discusses techniques for improving AI agent reliability and fault tolerance, as well as Google's policy on AI spam in Search.
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