hook-development

[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.

$ Installer

git clone https://github.com/CANTAGESTUDIO/CosmicAtlasPacker /tmp/CosmicAtlasPacker && cp -r /tmp/CosmicAtlasPacker/.claude/skills/hook-development ~/.claude/skills/CosmicAtlasPacker

// tip: Run this command in your terminal to install the skill