React for Agents: Astro Creator Brings Hooks to his Meta-Harness, Flue
Source
Richard MacManus
Author
Richard MacManus
Published
Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
agent harness — The scaffolding around a model that turns it into a working agent — the loop, the tools it can call, and the rules for when to stop.
Why it matters
AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → Hooks are a concrete answer to how agent state and capabilities get composed at runtime, from the person who built Astro. Engineers picking a agent harnessThe scaffolding around a model that turns it into a working agent — the loop, the tools it can call, and the rules for when to stop.Full definition → now have a second serious design to compare against Vercel's eve.
