Claude Ecosystem Comprehensive guide for Claude Code CLI tool, extensibility (agents/skills/output styles), and CLAUDE.md architecture. Module Selection | Need | Module | Reference | |------|--------|-----------| | Setup/Configuration | CLI | , | | Slash Commands | CLI | | | MCP Servers | CLI | | | Hooks & Plugins | CLI | | | Create Agents | Extensibility | | | Create/Refine Skills | Extensibility | , , | | Output Styles | Extensibility | | | Init CLAUDE.md | Architecture | | | Optimize CLAUDE.md | Architecture | | | Enterprise/CI-CD | CLI | , | | Troubleshooting | CLI | | --- Quick Reference…