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hook-developmentby AnthropicDevelopmentGitHub stars: 153k

Hook Development skill: what it does and how to install it

Builds Claude Code plugin hooks for tool validation, session events and event-driven automation using prompt or command handlers.

Summary generated from the skill's documentation.

Install

$ npx skills add anthropics/claude-code --skill Hook Development

Run it in a terminal. If your agent is already running, start a new session so it picks the skill up.

About this skill

What it does. Guides the design and configuration of Claude Code plugin hooks, from choosing events and prompt-based or command handlers to writing hook scripts and validating their output. Covers security, matching, testing and debugging, with examples for common workflows.

When to use it. For implementing or troubleshooting Claude Code hooks that validate tool use, enforce policies, load context or react to session events.

History

Repo stars

153k+1k since 19 Oct 2026

Stars are counted for the whole repository, which holds 9 skills.

Show as a table
Repo stars by day
DateRepo stars
26 Oct 2026153,421
25 Oct 2026153,330
24 Oct 2026153,219
23 Oct 2026152,964
22 Oct 2026152,829
21 Oct 2026152,664
20 Oct 2026152,872
19 Oct 2026152,414

Installs

14.3k

Tracking since . A chart appears once there are 7 days of data.

Installs via skills.sh

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