Cursor used a swarm of AI agents powered by OpenAI to build and run a web browser for a week—with no human help. Here’s why developers are buzzing

If a team of human engineers built a web browser that only half-worked, it wouldn’t get people talking. But when Michael Truell, CEO of coding startup Cursor, posted on X last week that a swarm of AI agents had built a browser that, he wrote, “kind of works”—while running uninterrupted for a week without any human intervention—it went viral across the tech world, with over 6 million views. 

Why the buzz? Two big reasons: For one thing, AI’s attention span has historically been short.