What Anthropic’s Massive 500,000-Line Source Code Leak Reveals About Claude

A 60MB Claude Code source map leak revealed over 500,000 lines of code across more than 2,000 files.

The leak exposed the Kyros Project, an always-on agent that runs tasks every 15 seconds for file sharing and pull request monitoring.

The leak also described features like the Buddy System, Ultra Plan, Undercover Mode, Frustration Detection, and unreleased models Capybara, Fenec and Numbat.