now supports the 2026-07-28 MCP specification, giving newer clients a stateless request model and updated authorization behavior without any change on the client side.Vercel MCP Clients built for the 2025 protocol keep working exactly as before, and clients that understand the new specification pick it up automatically. Both protocol versions are served from the same endpoint through the official MCP SDK v2 and 2.x, which , so a single connection handles either protocol.mcp-handleradded support for the latest spec Nothing about setup changes.

Add the server the same way you always have. npx add-mcp https://mcp.vercel.com You can also run . See the to connect your client. For the full list of protocol changes, read the and the .vercel mcpVercel MCP documentation2026 specification changelogauthorization announcement Read more