Post-Tool-Use

Runs after Claude executes a tool. Can react to results.

| Hook | Matcher | Description | |------|---------|-------------| | auto-stage | Edit\|Write | Automatically git stages files after Claude modifies them |

Notification

Fires when Claude needs user attention.

| Hook | Matcher | Description | |------|---------|-------------| | notify-permission | permission_prompt\|idle_prompt | Sends Slack alerts when Claude needs input |

Utils

Tools to help you build and debug hooks.

| Tool | Language | Description | |------|----------|-------------| | event-logger | Python | Logs all hook events to inspect payload structures |

💡 Building a new hook? Use event-logger.py to discover what data Claude Code provides for each event before writing your own hooks.

🚀 Quick Start

1. Copy the hook script:

mkdir -p ~/.claude/hooks
cp hook-scripts/pre-tool-use/block-dangerous-commands.js ~/.claude/hooks/

2. Add to .claude/settings.json:

{
  "hooks": {
    "PreToolUse": [
      {
        "matcher": "Bash",
        "hooks": [
          {
            "type": "command",
            "command": "node ~/.claude/hooks/block-dangerous-commands.js...