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I wrote a safety mod that crashes on purpose. Claude Code ran the command anyway.

This story is from 2026-10-05. It is preserved in the archive; the latest stories are on the live feed.

I wrote the dumbest safety mod I could think of. It watches every shell command Claude Code is about to run, and it throws. Then I asked for one command: touch ./marker-failopen.txt The guard crashed, as designed. One line showed up in the log: failguard: tool.call hook skipped: threw Error: guard…

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  1. 2026-10-05 16:37 · DEV Community — AI
    I wrote a safety mod that crashes on purpose. Claude Code ran the command anyway.

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