Cat Wu announced on X on November 3, 2026, that she had left Anthropic, where she served as head of product for Claude Code, closing a two-year stretch in which the coding tool moved from an internal experiment toward more autonomous software development. She thanked the teams behind Claude Code, Cowork and Tag, describing the products as the sum of thousands of ideas from colleagues. She also credited users’ feedback with shaping much of what the teams shipped. Wu characterized helping build…