YC lists AI drug-discovery and lending startups; Garry Tan releases gstack

AI companies are moving from general-purpose demonstrations into specialized work: YC-backed startups are targeting scientific research, lending, agent deployment and regulatory data, while Garry Tan has packaged Claude Code into a broader software workflow. The push toward more autonomous systems is meeting tighter controls, including Apple’s requirement for explicit authorization before agents can access personal files; hiring at Enveritas and Wave also shows the operational demands of scaling technology in regulated and infrastructure-constrained markets.