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 (PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd, UserPromptSubmit, PreCompact, Notification). Provides comprehensive guidance for creating and implementing Claude Code plugin hooks with focus on advance
Security Assessment
Detected risks:
About Hook Development
The Hook Development skill provides a framework for creating and implementing hooks within Claude Code plugins. This skill addresses the need for event-driven automation by allowing users to create hooks that respond to specific events in the development lifecycle. By leveraging hooks, users can validate tool usage, enforce policies, and integrate external tools seamlessly, ultimately leading to more efficient and safer workflows in plugin development.
FAQ
What types of hooks can I create?
You can create prompt-based hooks and command hooks for various events like PreToolUse, PostToolUse, and others.
Is there a specific format for defining hooks?
Yes, plugin hooks should be defined in a JSON format within hooks/hooks.json, while user settings can be defined directly in .claude/settings.json.
Are there any limitations on hook execution?
Yes, hooks must comply with the defined event types and their respective configurations.
Can I use external scripts with hooks?
Yes, you can execute bash commands for deterministic checks through command hooks.
What is the purpose of prompt-based hooks?
Prompt-based hooks allow for context-aware validation leveraging natural language reasoning.
Install Hook Development
Quick Setup:
- Copy the skill folder to
.claude/skills/ - Claude will automatically detect and use the skill
Repository
anthropics/claude-code