A researcher flagged the issue on 31 March 2026, and the code has since been archived on multiple public repositories, raising fresh questions about the company's software release practices.

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.