Claude Code Hooks — Custom Automation Recipes

Quick Use

Edit ~/.claude/settings.json and add hooks:

{
  "hooks": {
    "PostToolUse": [{
      "matcher": "Write|Edit",
      "command": "npx biome check --write $CLAUDE_FILE_PATH 2>/dev/null || true"
    }]
  }
}

Intro

Claude Code Hooks are shell commands that run automatically before or after tool use. This collection offers 20+ ready-to-use hook recipes: auto-formatting, running tests, security scanning, Slack notifications, and more. Copy them into settings.json and go. Ideal for developers who want to enforce code quality and automate repetitive tasks.

Source & Thanks

Community-maintained collection based on the official Claude Code docs. Contributions welcome — share your hook recipes!