Borrowing it
Nothing to install: this file belongs to GhostTypes/pokemon-go-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/GhostTypes/pokemon-go-mcp/main/.claude/skills/claude-code-hooks-skill/SKILL.mdgit clone --depth 1 https://github.com/GhostTypes/pokemon-go-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/ghosttypes/pokemon-go-mcp/claude-code-hooks-skill)<a href="https://agentmods.dev/skills/ghosttypes/pokemon-go-mcp/claude-code-hooks-skill"><img src="https://agentmods.dev/badge/skills/ghosttypes/pokemon-go-mcp/claude-code-hooks-skill.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00108 | $0.01671 |
| Opus 5 | $0.00054 | $0.00835 |
| Sonnet 5 | $0.00022 | $0.00334 |
| Haiku 4.5 | $0.00011 | $0.00167 |
Grade B, and why
claude-code-hooks scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
- User settings (`~/.claude/settings.json`): Applies to all projects How it starts
The opening of the file, as written. The whole thing — 215 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Claude Code Hooks Setup Skill
This skill guides you through setting up Claude Code hooks with a thorough interview process to ensure the hook configuration exactly matches user requirements.
Critical Workflow
ALWAYS follow this interview-first approach:
- Interview the user - Never skip this step, even if they provide initial details
- Confirm understanding - Summarize back what you understood
- Generate the hook configuration - Create the JSON structure
- Safely apply to settings - Merge with existing settings or create new
Step 1: Interview Questions
Ask these questions to fully understand the user's needs. Ask 2-3 at a time max to avoid overwhelming them.
Essential Questions (Always Ask)
-
What should the hook do?
- "What specific action or behavior do you want to automate?"
- "Can you describe the problem this hook should solve?"
-
When should it trigger?
- "Which hook event should trigger this?" (Show the list below)
- "Should it run for all tools or only specific ones?"
-
What's the desired outcome?
- "Should it block operations, modify them, log them, or just observe?"
- "What should happen when the hook runs successfully vs fails?"
Hook Event Options (Present to User)
| Event | When It Runs | Common Use Cases |
|---|---|---|
PreToolUse |
Before any tool executes | Block/allow tools, validate inputs, log commands |
PostToolUse |
After tool completes | Auto-format, lint, run tests, notify |
PermissionRequest |
When permission dialog shows | Auto-approve safe operations |
UserPromptSubmit |
When user submits prompt | Add context, validate prompts |
Notification |
When Claude sends notifications | Custom alerts, desktop notifications |
Stop |
When Claude finishes responding | Continue work, verify completion |
SubagentStop |
When subagent task completes | Validate subagent work |
PreCompact |
Before context compaction | Save state, custom summary |
SessionStart |
When session begins/resumes | Load context, set env vars |
SessionEnd |
When session ends | Cleanup, save logs |
What ships with it
5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 7d ago First seen · 215 lines · 108 tokens per session scan B c7ea25a55f6d
claude-code-hooks is a skill published in the GitHub repository GhostTypes/pokemon-go-mcp (7 stars, last pushed today), licensed MIT. It adds 108 tokens to every session and 1,671 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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