by yasasbanukaofficial · Claude Skill · ★ 1.5k
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Claude Code's Entire Source Code Got Leaked via a Sourcemap in npm, Let's Talk About It PS: This breakdown is also available on this blog with a better reading experience and UX :) Note: There's a non-zero chance this repo might be taken down. If you want to play around with it later or archive it yourself, feel free to fork it and bookmark the external blog link! ⚠️ Important Disclaimer I did not leak these files. I have simply provided an easy, documented way to access and study this codebase for research purposes. All files and information originate from public findings shared on Twitter/X. All credit for the discovery goes to the original source. Earlier today (March 31st, 2026) - Chaofan Shou (@Friedrice) discovered something that Anthropic probably didn't want the world to see: the entire source code of Claude Code, Anthropic's official AI coding CLI, was sitting in plain sight on the npm registry via a sourcemap file bundled into the published package. This repository is a backup of that leaked source, providing a full breakdown of what's in it, how the leak happened, and the internal systems that were never meant to be public.
| Stars | 1,461 |
| Forks | 2,646 |
| Language | TypeScript |
| Category | Claude Skill |
| Quality Score | 65.716293533239/100 |
| Open Issues | 3 |
| Last Updated | 2026-04-04 |
| Created | 2026-03-31 |
| Platforms | claude-code, cli, node |
| Est. Tokens | ~660k |
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claude-code is 🚀 Open source Claude Code CLI source code. Advanced AI Agent for developers. Includes TypeScript codebase for LLM tool-calling, agentic workflows, and terminal UI. Remember this is just the skeleton . It is categorized as a Claude Skill with 1.5k GitHub stars.
claude-code is primarily written in TypeScript. It covers topics such as claude-ai, claude-code, leaked-claude-code.
You can find installation instructions and usage details in the claude-code GitHub repository at github.com/yasasbanukaofficial/claude-code. The project has 1.5k stars and 2646 forks, indicating an active community.
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