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@damonjw/agenthook

v0.1.11

Published

Cache-friendly model-backed lifecycle hooks for Codex

Vulnerabilities

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  • 0Medium
  • 0Low

Links

Maintainers

damonjwdamonjw

Keywords

codexhooksagentcli

Readme

AgentHook

AgentHook provides a Linux command-line tool agenthook for model-backed Codex lifecycle hooks. It runs a recursive acceptance tree of tool-scope selectors, agent tests, sequential any_accept blocks, and parallel all_accept blocks.

Installation and usage

npm install --global @damonjw/agenthook
agenthook --install-codex-skill

To use it, ask your agent e.g.

I'd like to install a hook so that every time you edit a Markdown file
in directory `justsostories/`, and the edit involves more than a paragraph of
new or rewritten text, the text must mention a mustelid. Please store the
hook instructions in the current directory as `myhook.md` so that I can easily edit them.

Run agenthook --help for the complete command and configuration references. See the installation workflow in SKILL.md and the complete prose-clarity example in assets/prose-clarity.md.

Requirements

  • Linux or WSL
  • Node.js 22.5 or newer
  • Codex CLI installed separately, with paginated-thread thread/turns/list and thread/revert app-server support
  • util-linux flock and setpriv
  • an authenticated Codex CLI

The installer does not check Codex compatibility. Until AgentHook gains a capability-based preflight, an incompatible Codex installation fails when the required app-server operation is first used.

License

AGPL-3.0-or-later.

(c) DJW 2026