Key Findings Anthropic confirmed Claude Code source code was accidentally exposed via npm package version 2.1.88 due to human error in packaging, not a security breach Nearly 2,000 TypeScript files and over 512,000 lines of code were leaked through a source map file and quickly spread across public repositories The leaked codebase revealed advanced features including KAIROS autonomous daemon mode, self-healing memory architecture, Undercover Mode for stealth contributions, an
