initial

Author: quuu

README.md

@@ -1,5 +1,7 @@
 # Run an MCP Server on Vercel
 
+**Uses [Vercel MCP Adapter](https://github.com/vercel/vercel/mcp-adapter/tree/main)**
+
 ## Usage
 
 Update `api/server.ts` with your tools, prompts, and resources following the [MCP TypeScript SDK documentation](https://github.com/modelcontextprotocol/typescript-sdk/tree/main?tab=readme-ov-file#server).
@@ -8,9 +10,9 @@ Update `api/server.ts` with your tools, prompts, and resources following the [MC
 
 ## Notes for running on Vercel
 
-- Requires a Redis attached to the project under `process.env.REDIS_URL`
+- To use the SSE transport, requires a Redis attached to the project under `process.env.REDIS_URL`
 - Make sure you have [Fluid compute](https://vercel.com/docs/functions/fluid-compute) enabled for efficient execution
-- After enabling Fluid compute, open `vercel.json` and adjust max duration to 800 if you using a Vercel Pro or Enterprise account
+- After enabling Fluid compute, open `app/server.ts` and adjust `maxDuration` to 800 if you using a Vercel Pro or Enterprise account
 - [Deploy the MCP template](https://vercel.com/templates/other/model-context-protocol-mcp-with-vercel-functions)
 
 ## Sample Client

api/server.ts

@@ -1,22 +1,10 @@
 import { z } from "zod";
-import { initializeMcpApiHandler } from "../lib/mcp-api-handler";
+import createMcpApiHandler from "@vercel/mcp-adapter/next";
 
-const handler = initializeMcpApiHandler(
-  (server) => {
-    // Add more tools, resources, and prompts here
-    server.tool("echo", { message: z.string() }, async ({ message }) => ({
-      content: [{ type: "text", text: `Tool echo: ${message}` }],
-    }));
-  },
-  {
-    capabilities: {
-      tools: {
-        echo: {
-          description: "Echo a message",
-        },
-      },
-    },
-  }
-);
+const handler = createMcpApiHandler((server) => {
+  server.tool("echo", { message: z.string() }, async ({ message }) => ({
+    content: [{ type: "text", text: `Tool echo: ${message}` }],
+  }));
+});
 
-export default handler;
+export { handler as GET, handler as POST, handler as DELETE };

lib/mcp-api-handler.ts

@@ -11,10 +11,7 @@
   "license": "ISC",
   "packageManager": "[email protected]+sha512.c85cd21b6da10332156b1ca2aa79c0a61ee7ad2eb0453b88ab299289e9e8ca93e6091232b25c07cbf61f6df77128d9c849e5c9ac6e44854dbd211c49f3a67adc",
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.10.2",
-    "content-type": "^1.0.5",
-    "raw-body": "^3.0.0",
-    "redis": "^4.7.0",
+    "@vercel/mcp-adapter": "^0.2.1",
     "zod": "^3.24.2"
   },
   "devDependencies": {