Hooks Validator

Validate hooks configuration in .claude/settings.json and hook scripts.

Validation Steps

1. Check settings.json

Verify hooks section exists and is valid.

2. Validate Hook Structure

{
  "hooks": {
    "PreToolUse": [...],
    "PostToolUse": [...],
    "UserPromptSubmit": [...],
    "Stop": [...],
    "SubagentStop": [...],
    "SessionStart": [...],
    "SessionEnd": [...],
    "PreCompact": [...],
    "PostCompact": [...],
    "Notification": [...],
    "Elicitation": [...],
    "ElicitationResult": [...]
  }
}

3. Validate Each Hook Entry

• type is "command" or "prompt"
• If type: "command": command path exists and script is executable
• If type: "prompt": prompt string is non-empty
• timeout is positive integer if present (default: 60s command, 30s prompt)
• once is boolean if present

4. Validate Hook Scripts

• File exists and is executable
• Outputs valid JSON
• Has appropriate shebang

Output Format

## Hooks Validation Report

### Configuration Status: VALID / INVALID

### Configured Hooks
| Type | Matcher | Script | Status |
|------|---------|--------|--------|
| Stop | * | auto-loop-stop.sh | OK |

### Script Validation
| Script | Exists | Executable | Valid Output |
|--------|--------|------------|--------------|
| auto-loop-stop.sh | OK | OK | OK |

### Issues Found
1. [Issue and fix]

Auto-Fix

• Make scripts executable
• Add missing shebang
• Create missing hook scripts