How the Popover API, Navigation API, Invoker Commands, View Transitions, and other new browser APIs change the game for AI agent interaction — and how to use them to make your site agent-friendly.

Agentic browsers are here. ChatGPT Atlas, Perplexity Comet, Chrome’s Auto Browse, Vercel’s agent-browser — the list grows every month. But while plenty of ink has been spilled on the agent side of the equation, there’s been surprisingly little attention paid to a question that matters just as much: how do modern web platform APIs affect what agents can and can’t do on your site?