A compilation of resources on the Claude Code source leak on 31 March 2026.

• Original disclosure by Chaofan Shou
• Source code (Wayback Machine)
• Python port by Sigrid Jin, transferred to ultraworkers/claw-code — the fastest repo to reach 100K stars
  • Rust port in progress: ultraworkers/claw-code-parity
• Reddit megathread

Analysis

• ccleaks.com
• ccunpacked.dev
• Breakdown by Kuber Mehta
• Breakdown by Alex Kim
• Memory architecture
• Spinner verbs and swear words

Hacker News

• 47584540
• 47586778

News Media

• Ars Technica
• Ars Technica — What the leak reveals
• The Guardian
• The Hacker News