Garry Tan's 'Thin Harness, Fat Skills' and What the Claude Code Leak Actually Showed | Surf AI

Thin harnesses make models swappable, and OSS is moving faster than investors realize | | Architecture pragmatists (Tan, Yegge) | Claude Code's resolvers and sub-agents in the leak; Hermes self-skills | Builders focus on fat skills, speeding up the kind of loops YC uses; investors look at dev tools | This is the main story.