Move MCP server out of routes

Author: cramforce

README.md

@@ -2,7 +2,7 @@
 
 ## Usage
 
-Update `app/message/route.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).
+Update `app/mcp.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).
 
 ## Notes for running on Vercel
 

app/mcp.ts

@@ -0,0 +1,20 @@
+import { z } from "zod";
+import { initializeMcpApiHandler } from "../lib/mcp-api-handler";
+
+export const mcpHandler = 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",
+        },
+      },
+    },
+  }
+);

app/message/route.ts

@@ -1,27 +1,8 @@
-import { z } from "zod";
-import { initializeMcpApiHandler } from "../../lib/mcp-api-handler";
 import { createServerResponseAdapter } from "@/lib/server-response-adapter";
+import { mcpHandler } from "../mcp";
 
 export const maxDuration = 60;
 
-export const mcpHandler = 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",
-        },
-      },
-    },
-  }
-);
-
 export async function POST(req: Request) {
   return createServerResponseAdapter(req.signal, (res) => {
     mcpHandler(req, res);

app/sse/route.ts

@@ -1,5 +1,5 @@
 import { createServerResponseAdapter } from "@/lib/server-response-adapter";
-import { mcpHandler } from "../message/route";
+import { mcpHandler } from "../mcp";
 
 export const maxDuration = 60;