Claude Code: The Operating System for AI Development

Claude Code is not merely a tool, but a sophisticated operating system designed for AI-assisted development. While its components—CLAUDE.md, rules, skills, hooks, subagents, and MCP servers—may initially appear disconnected, each addresses a specific problem within a coherent architectural framework. Understanding this layered design transforms Claude Code from a confusing collection of features into a powerful system that dramatically improves workflow quality, consistency, and scalability.