Garry Tan Releases gstack: An Open-Source Claude Code System for Planning, Code Review, QA, and Shipping

Garry Tan has released gstack, an open-source toolkit that enhances AI-assisted coding by organizing Claude Code into 8 distinct workflow skills for product planning, engineering review, QA, and shipping. The system aims to improve coding reliability by separating different development phases into specialized operating modes with persistent browser runtime support.