Claude Code Hooks

Use this skill to design, review, implement, and debug Claude Code hooks. Hooks are deterministic automation points in Claude Code. They can be configured in settings files, plugins, skills, or agents.

Keep SKILL.md focused; deep material lives under references/, examples/, and scripts/ (per Skills guidance — aim for under 500 lines in SKILL.md). Primary sources: Hooks reference, Hooks guide, Skills.

Related skills

• claude-code-guide — product orientation: settings scopes, permission modes vs rules, memory, CLI/commands/env vars, tools list, plugins/channels overview. Use it when the question is broader than hook authoring; stay in this skill for hook JSON, events, matchers, and /hooks debugging.

First decision

Before writing a hook, decide where it belongs: