Running Next.js inside ChatGPT: A deep dive into native app integration

T1Covered by 1 source · first reported by Vercel (blog + changelog) at 15 Oct 2025, 13:00 UTC

When OpenAI announced the Apps SDK with Model Context Protocol (MCP) support, it opened the door to embedding web applications directly into ChatGPT. But there's a significant difference between serving static HTML in an iframe and running a full Next.js application with client-side navigation…