Anthropic confirms it leaked Claude Code source code — spilling some of its biggest secrets

Claude Code's entire source code has been leaked and the internet is up in arms.
Lynnwood Times

Anthropic leaks source code for its AI coding agent Claude

Anthropic accidentally exposed roughly 512,000 lines of proprietary TypeScript source code for its AI-powered coding agent ...

Claude Code's source code appears to have leaked: here's what we know

The leak provides competitors—from established giants to nimble rivals like Cursor—a literal blueprint for how to build a ...

Anthropic goes nude, exposes Claude Code source by accident

Would you like a closer look at Claude? Someone at Anthropic has some explaining to do, as the official npm package for ...
WinBuzzer

Anthropic Leaks Claude Code Source via Npm Source Map

Anthropic has accidentally exposed Claude Code's full 512,000-line TypeScript source via an npm source map, revealing ...

Anthropic's AI Coding Tool Leaks Its Own Source Code For The Second Time In A Year

A researcher flagged the issue on 31 March 2026, and the code has since been archived on multiple public repositories, ...
News9Live on MSN

Claude code leak explained: how one file exposed entire AI tool

Anthropic’s Claude Code tool has suffered a major leak after a source map file was mistakenly published on npm. The incident ...