Claude Code Source Code Leaked — 7 Things We Learned
Last updated: March 2026 On March 31, 2026, security researcher Chaofan Shou discovered that Anthropic accidentally shipped a source map file inside the @anthropic-ai/claude-code npm package (version 2.1.88). The 57 MB file exposed the full TypeScript source code of Claude Code — roughly 1,900 files and 512,000+ lines — including unreleased features, internal codenames, system … Read more