From 5a774a2b62d7949c1d94e0b726281554d7893cfd Mon Sep 17 00:00:00 2001 From: sigridjineth Date: Tue, 31 Mar 2026 02:00:52 -0700 Subject: [PATCH] docs: emphasize leaked source and include original tweet --- README.md | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/README.md b/README.md index c184169..45db43e 100644 --- a/README.md +++ b/README.md @@ -1,17 +1,28 @@ -# Claude Code — Source Analysis +# Claude Code — Leaked Source (2026-03-31) -> An archive of [Anthropic](https://www.anthropic.com)'s official CLI tool **Claude Code** source code, for analysis and educational purposes. +> **On March 31, 2026, the full source code of Anthropic's Claude Code CLI was leaked** via a `.map` file exposed in their npm registry. + +--- + +## How It Leaked + +[Chaofan Shou (@Fried_rice)](https://x.com/Fried_rice) discovered the leak and posted it publicly: + +> **"Claude code source code has been leaked via a map file in their npm registry!"** > -> Reference: [Original tweet](https://x.com/Fried_rice/status/2038894956459290963) +> — [@Fried_rice, March 31, 2026](https://x.com/Fried_rice/status/2038894956459290963) + +The source map file in the published npm package contained a reference to the full, unobfuscated TypeScript source, which was downloadable as a zip archive from Anthropic's R2 storage bucket. --- ## Overview -Claude Code is a CLI tool that lets you interact with Claude directly from the terminal to perform software engineering tasks — editing files, running commands, searching codebases, managing git workflows, and more. +Claude Code is Anthropic's official CLI tool that lets you interact with Claude directly from the terminal to perform software engineering tasks — editing files, running commands, searching codebases, managing git workflows, and more. -This repository contains the `src/` directory extracted for study. +This repository contains the leaked `src/` directory. +- **Leaked on**: 2026-03-31 - **Language**: TypeScript - **Runtime**: Bun - **Terminal UI**: React + [Ink](https://github.com/vadimdemedes/ink) (React for CLI) @@ -241,6 +252,6 @@ Built-in and third-party plugins are loaded through the `plugins/` subsystem. --- -## License +## Disclaimer -This repository is for analysis and educational purposes only. All original source code is copyrighted by [Anthropic](https://www.anthropic.com). +This repository archives source code that was leaked from Anthropic's npm registry on **2026-03-31**. All original source code is the property of [Anthropic](https://www.anthropic.com).