Claude Code Source Leak 2026: The Complete Guide to What Was Exposed

Last updated: March 2026 On March 31, 2026, a 57 MB source map file shipped inside the @anthropic-ai/claude-code npm package exposed the entire TypeScript source code of Claude Code — 1,900 files and 512,000+ lines of code. The leak revealed unreleased features (KAIROS always-on agent, autoDream memory consolidation, ULTRAPLAN, Buddy System), future model codenames (Opus … Read more