Hook Development
This skill should be used when the user asks to "create a hook", "add a PreToolUse/PostToolUse/Stop hook", "validate tool use", "implement prompt-based hooks", "use ${CLAUDE_PLUGIN_ROOT}", "set up event-driven automation", "block dangerous commands", or mentions hook events (PreT
Install caution
Risk: High
Source: Claude Code Plugin Skills
Path: plugins/plugin-dev/skills/hook-development/SKILL.md
Review flags: browser/session access, filesystem/home-directory access, network access or external URLs, shell command snippets. These are review signals, not definitive security judgments; inspect before installing.
Required permissions
- • Environment variables / secrets
- • Shell commands
- • Network/API usage
- • Filesystem/home access
- • Browser/session access
Permissions are inferred from SKILL.md text only. They are review prompts, not guarantees about runtime behavior.
Risk flags explained
Mentions browser automation, cookies, sessions, local storage, or browser state.
Mentions filesystem writes, deletes, home-directory paths, or config/key locations.
Mentions external URLs, network APIs, downloads, or HTTP client usage.
Contains shell command snippets. Review commands before copy/paste or agent execution.
Score explanation
Trust
- • Trust starts at 90 before review-signal penalties and metadata bonuses.
- • Risk-signal penalty: -43 from 4 detected flag(s).
- • Metadata bonus: +5 from author/version/description fields.
Utility
- • Utility starts at 55 and rewards clear descriptions, runnable examples, and explicit setup needs.
- • Description present: yes.
- • Command examples detected: 0.
- • Environment variables detected: 1.
Momentum
- • Momentum starts at 45 and uses public repo activity signals.
- • Recent commit activity: latest repo update was 0 day(s) ago.
- • Recent commit volume: 34 commit(s) in the lookback window (+20).
- • Source has strong public adoption: 120606 stars.
- • Fork activity suggests reuse: 19979 forks.
Overall
- • Overall score weights trust 45%, utility 35%, and momentum 20%.
Detected signals
Env vars
- • API
Commands
None detected in SKILL.md text scan.
URLs
- • https://docs.claude.com/en/docs/claude-code/hooks
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SkillRadar scans SKILL.md as hostile text only. It does not execute commands, install packages, or load third-party skills.