MCP Apps support on Vercel
Vercel just made it dead simple to build AI agent UIs that work everywhere—Cursor, Claude, ChatGPT, all from one codebase.
Why it matters
Vercel's MCP Apps support removes friction from multi-platform AI UI deployment. Developers can now build once, deploy to any compatible host (Cursor, Claude.ai, ChatGPT) using Next.js and SSR—lowering the barrier to shipping AI-native products.
The key facts
6 to knowMCP Apps are provider-agnostic open standard for embedded UIs
Runs on Next.js with Server-Side Rendering (SSR) and React Server Components
Compatible hosts include Cursor, Claude.ai, and ChatGPT
Uses JSON-RPC over postMessage for cross-platform communication
Single UI functions across multiple compatible hosts without platform-specific integrations
Published March 4, 2026
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Teams can now build and deploy MCP Apps on Vercel with full support for Next.js. MCP Apps are similar to , but are a provider-agnostic open standard for embedded UIs. They run inside iframes and communicate with any compatible host, such as Cursor, Claude.ai, and ChatGPT, using a shared…