Agent frameworks for developers are still at an early stage, with the likes of Vercel’s eve and Fred Schott’s Flue — both launched this year — setting the early template. Schott is the creator of the web framework Astro, which led to his company being acquired by Cloudflare in January. He’s just released version 2 of Flue, its first stable release, which has as its foundation React-style “Agent Hooks.” In Flue, an agent is represented by a JavaScript function. This function “re-renders on every turn,” meaning before every model call. The addition of hooks came after Schott realized that React’