fix types, eliminate client/server

server/src/index.ts

@@ -1,48 +1,32 @@
 import cors from "cors";
 
-import { Server } from "mcp-typescript/server/index.js";
 import { SSEServerTransport } from "mcp-typescript/server/sse.js";
 import express from "express";
-import { Client } from "mcp-typescript/client/index.js";
 import { StdioClientTransport } from "mcp-typescript/client/stdio.js";
 import mcpProxy from "./mcpProxy.js";
 
 const app = express();
 app.use(cors());
 
-let servers: Server[] = [];
+let transports: SSEServerTransport[] = [];
 
 app.get("/sse", async (req, res) => {
   console.log("New SSE connection");
   const command = decodeURIComponent(req.query.command as string);
   const args = decodeURIComponent(req.query.args as string).split(",");
-  const mcpClient = new Client({ name: "MyApp", version: "1.0.0" });
   const backingServerTransport = new StdioClientTransport();
   await backingServerTransport.spawn({ command, args });
-  await mcpClient.connect(backingServerTransport);
 
   const webAppTransport = new SSEServerTransport("/message");
-  const server = new Server({
-    name: "mcp-server-inspector",
-    version: "0.0.1",
-  });
-  servers.push(server);
-
-  server.onclose = async () => {
-    console.log("SSE connection closed");
-    servers = servers.filter((s) => s !== server);
-    await mcpClient.close();
-  };
+  transports.push(webAppTransport);
 
   await webAppTransport.connectSSE(req, res);
-  await server.connect(webAppTransport);
 
   mcpProxy({
     transportToClient: webAppTransport,
     transportToServer: backingServerTransport,
     onerror: (error) => {
       console.error(error);
-      server.close();
     },
   });
 });
@@ -50,9 +34,7 @@ app.get("/sse", async (req, res) => {
 app.post("/message", async (req, res) => {
   console.log("Received message");
 
-  const transport = servers
-    .map((s) => s.transport as SSEServerTransport)
-    .find((t) => true);
+  const transport = transports.find((t) => true);
   if (!transport) {
     res.status(404).send("Session not found");
     return;