Y Combinator CEO Garry Tan recently dropped a bombshell demonstration. Using his open-source GStack framework, he single-handedly rebuilt a startup that originally took 2 years and 10 engineers to build—in just 3 weeks. If you are building AI Agents, you need to pay attention.

He proposed a radical architectural philosophy: "Thin Harness, Fat Skills." 1. The Myth of the "Fat Framework" Most deve