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Guardrails for vibe coders: PreToolUse rules that stop rm -rf and secret leaks

Originally published at pilothouse.dev/blog/guardrails-for-vibe-coders . Vibe coding works until the agent runs rm -rf on the wrong folder, prints your .env into the transcript, or force-pushes over a teammate's branch. Most of us respond in one of two ways: approve every prompt by hand, or turn on "skip permissions" and hope.

  • PreToolUse hooks prevent destructive commands like rm -rf
  • Rules engine implemented for coding agents to enforce safety
  • Guardrails block secret leaks and access to production databases

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