How Claude Code Works Analysis

Skill by ara.so — Claude Code Skills collection.

Expert knowledge of Claude Code's internal architecture, based on deep analysis of its 512,000+ line TypeScript codebase. This skill helps you understand production-grade AI coding agent design, implement similar features, and leverage Claude Code's advanced capabilities.

What This Project Provides

how-claude-code-works is a comprehensive documentation project analyzing Claude Code's source code:

• 15 specialized chapters covering architecture, agent loops, context engineering, tools, permissions, multi-agent systems, and UX
• Interactive documentation site with diagrams and code references
• Companion implementation project (claude-code-from-scratch) with working TypeScript/Python examples
• Production-grade patterns validated by millions of daily users

Key Architecture Concepts

Core Agent Loop