[Utility] Guide for developing Claude Code hooks - shell commands that execute automatically in response to tool calls and notifications. Use this when users want to create, debug, or optimize hooks for automating workflows like linting, formatting, notifications, or custom validations. Supports PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd, UserPromptSubmit, PreCompact, Notification events.
Install directly with the `skills` CLI.
npx skills add CANTAGESTUDIO/CosmicAtlasPacker/.claude/skills/hook-developmentSelect a file to view its content