The leak provides competitors—from established giants to nimble rivals like Cursor—a literal blueprint for how to build a ...
Anthropic is scrambling to contain the leak, but the AI coding agent is spreading far and wide and being picked apart.
IntroductionOn March 31, 2026, Anthropic accidentally exposed the full source code of Claude Code (its flagship ...
The exposure traces back to version 2.1.88 of the @anthropic-ai/claude-code package on npm, which was published with a 59.8MB ...
A version of the AI coding tool in Anthropic's npm registry included a source map file, which leads to the full proprietary ...
Early this morning, Anthropic published version 2.1.88 of Claude Code npm package—but it was quickly discovered that package ...