Vibe Check: Agent Harnesses: What, Why, and When Not

​A production agent is more than a model calling tools in a loop. It has to survive crashes and redeploys, enforce tool policies, pause for human approval, take steering mid-turn, and coordinate subagents across multiple interactions. That’s the job of an agent harness.

​Jason Steving and Alex Tideman join Melanie and Tom to talk about what an agent harness is, why your agents need one, and when they don’t. They’ll show the new Temporal Agent Harness along the way, including how it lets your UI follow an agent’s state in real time instead of waiting on a spinner for the final reply.

​They’ll also share how you can start trying it in your own projects today. Come join us!