# METR and Redwood Found Six Ways to Blind OpenAI's Coding Agent Monitor

AlphaSignal, 2026-10-22. [Read the original](https://alphasignal.ai/news/metr-and-redwood-found-six-ways-to-blind-openai-s-coding-agent-monitor).

METR and Redwood Research spent three weeks inside OpenAI stress-testing the monitor that watches its internal agents, and found six ways to blind it.