Block, Steer, Rewrite: a coding-agent guard hook has three responses, not one
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A runtime hook that guards a coding agent has three responses, not one. Blocking the command is the weakest of them. My coding agent runs a handful of read-only helper scripts constantly: the checks that tell it whether the repository is still consistent with itself. Run one by its repo-relative name and the harness matches it against my permission allowlist and lets it through. Run the exact same script by its absolute path and the allowlist misses, so the harness stops and asks me to approve…
1Key Takeaways
- A runtime hook that guards a coding agent has three responses, not one.
- Blocking the command is the weakest of them.
- My coding agent runs a handful of read-only helper scripts constantly: the checks that tell it whether the repository is still consistent with itself.
- Run one by its repo-relative name and the harness matches it against my permission allowlist and lets it through.
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — AI reports that a runtime hook that guards a coding agent has three responses, not one.
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