Awesome Claude Code Source Code

Awesome-Claude-Code-Source-Code

**English** | [中文](README_zh-CN.md)

A curated list of awesome Claude Code source code recovery, reverse engineering, reimplementation and research projects.

Table of Contents

• Source Code Recovery
• Reimplementation & Alternative
• Research & Analysis

Source Code Recovery

Projects that restore the original Claude Code source to a readable, buildable state.

[claude-code](https://github.com/claude-code-best/claude-code) - Decompiled and fully buildable Claude Code with TypeScript types restored, ready to run and debug. By @claude-code-best.

Reimplementation & Alternative

Open-source rewrites and alternative implementations inspired by Claude Code.

[claude-code](https://github.com/instructkr/claude-code) - Full rewrite of Claude Code in Rust, aiming for feature parity. By @instructkr. [open-agent-sdk](https://github.com/shipany-ai/open-agent-sdk) - Open-source Agent SDK without CLI dependencies, an alternative to claude-agent-sdk. By @shipany-ai. [cc-mini](https://github.com/e10nMa2k/cc-mini) - Ultra-light Python harness scaffolding for AI agents, a mini version of Claude Code. By @e10nMa2k. [OpenHarness](https://github.com/HKUDS/OpenHarness) - Lightweight Agent Harness in Python, approximately 80% of essential agent functionality using just 3% of the code lines. By [@HKUDS](https://github.com/HKUDS)

Research & Analysis

In-depth studies, documentation, and books about Claude Code internals.

[claude-code-deep-dive](https://github.com/tvytlx/claude-code-deep-dive) - Systematic source code research based on recovering cli.js.map from the claude-code npm package. By @tvytlx. [Claude Code Unpacked](https://ccunpacked.dev/) - Comprehensive mapping of Claude Code internals: agent loop, 50+ tools, multi-agent orchestration, and unreleased features. [Harness Books](https://github.com/wquguru/harness-books) - Two books on harness