# Hook Debugger

> Beginner-friendly guide for Claude Code hooks. Use this skill proactively whenever the user asks about hooks, debugging hooks, why a hook isn't working, how to add debugging to a hook, what input a hook receives, hook exit codes, how to read hook log files, or wants to understand what any hook event does. Also use when the user mentions PreToolUse, PostToolUse, SessionStart, UserPromptSubmit, Stop, SubagentStop, PreCompact, SessionEnd, Notification, PermissionRequest, PostToolUseFailure, SubagentStart, TeammateIdle, TaskCompleted, ConfigChange, WorktreeCreate, or WorktreeRemove.

## Facts
- Page: https://tashan.sh/capability/skill-skogai-hook-debugger
- tashan id: skill:skogai/hook-debugger
- Source: https://github.com/skogai/skogai-core
- Type: skill
- Category: security
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 9.0
- Upkeep: 97.0
- Freshness: 93.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- Official: no

## Install

```sh
cp -r hook-debugger ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-08-20 by tashan (https://tashan.sh) from public evidence. Scorer s5.