Anthropic Claude Code source code leak

Anthropic Claude Code source code leak

On March 31, 2026, a single misplaced file inside an npm package update exposed approximately 512,000 lines of TypeScript code — and with it, some of the most controversial internal design decisions Anthropic had ever made. The Anthropic Claude Code

Anthropic Claude Code source code leak

Anthropic Claude Code source code leak

A single debugging file left in a production build. That was all it took for Anthropic — one of the world’s most secretive and well-funded AI labs — to accidentally hand the global developer community a window into the internal