The entire source code for Anthropic’s Claude Code command line interface application (not the models themselves) has been leaked and disseminated, apparently thanks to a serious internal error.

Anthropic PBC’s accidental release of source code for its popular AI coding agent was the result of “process errors” related to the startup’s fast product release cycle, according to a senior executiv...

The issue of leaked source code for Claude Code came to light after a security researcher found that the package contained a source map file capable of revealing the full underlying codebase.