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Can an AI coding agent be locked out of modifying its own guardrail hooks? (OpenAI Codex CLI)

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

Goal I run AI coding agents locally on Windows and want a "hardstop" I can trigger at any time - a single keystroke that immediately blocks the agent from doing anything further until I clear it. I have this working for one agent as a UserPromptSubmit hook: typing exactly "h" arms a latch file, "c"…

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  1. 2026-09-09 01:41 · r/ChatGPTCoding
    Can an AI coding agent be locked out of modifying its own guardrail hooks? (OpenAI Codex CLI)

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