collection-claude-code-source-code

This repository serves as an academic archive and research collection centered on Claude Code, Anthropic's agentic coding tool. It bundles several distinct artifacts: archived source code from a widely discussed leak of the original Claude Code TypeScript codebase, architectural analysis documents in both English and Chinese, and multiple clean-room Python reimplementations built for research purposes. The original source material documents Claude Code internals including over 40 tools, roughly 87 slash commands, a tiered permission system, and a multi-layer context management approach. The companion reimplementations, tracked under the "Nano Claude Code" series, range from a minimal 1,300-line Python version to a 5,000-line multi-agent build featuring memory packages, skill packages with argument substitution, git worktree isolation, and fork/inline agent execution. These reimplementations support both open-source and closed-source models via the API. The primary audience is researchers, developers, and students who want to study how Claude Code is architected, understand its agent orchestration patterns, or prototype alternative implementations for academic purposes.

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