I spent ten years watching product teams iterate by hand at Twitter, Google, and Tinder. Now I'm building software that closes the loop.
Autonomous product team that researches users, decides what to ship, builds it, tests with persona agents, and iterates. demoed at vercel apr 2026 · private beta · guillermo rauch / angela jiang / marc manara / paul klein iv in the room
Better harness tools for Claude Code. Currently rewriting the core in Rust. open source · github.com/maggiemchen/claw-code
End-to-end Google OAuth 2.0 setup. Automates the four gotchas that eat two hours. open source · github.com/maggiemchen/google-oauth-setup
Plus sixty-something private repos updated this month. Most are unfinished. The interesting ones become the public ones.
A decade of watching product teams iterate by hand, in roughly chronological order.