Anthropic's catwu departs, recalls building on Claude Code without writing a line of code
kavirkaycee · x · 2026-11-04
Anthropic engineer @catwu announced Friday was her last day, reflecting on Claude Code's early days.
- Two years ago, when Claude Code was a small internal tool, she asked it to build an RL environment, steering it for tens of hours and never manually writing a line of code — it worked, and she joined the team
- At launch, most users approved every permission prompt by hand and mostly used Claude to answer questions and write tests; usage has transformed since
- Replies praised her run as "legendary"
Related event: Claude Code Early Member Cat Wu Announces Departure from Anthropic(11 posts)→
More from coding & agent
- Ex-Anthropic engineer: I joined Claude Code team after having it build an RL env hands-free — dfeinition · 2026-11-04
- Xogot ships built-in Pi.dev-powered coding agent for Godot on iPad — mitsuhiko · 2026-11-04
- DeepSeek quietly launches "DeepSeek Harness" YouTube channel, hinting at plugin-based agent framework — gnukeith · 2026-11-04
- Sharing agent sessions across a team breaks knowledge silos — and AI can summarize your teammates' workflows — steipete · 2026-11-04
- Apgar: open-source release health checker catches agent regressions without an LLM judge — krstCB · 2026-11-04
- Claude-based agent transcribes entire site with images into context for Claude 3 Opus — repligate · 2026-11-04