Initial commit

src/everything/README.md

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+# Everything server
+
+This MCP server attempts to exercise all the features of the MCP protocol. It is not intended to be a useful server, but rather a test server for builders of MCP clients.

src/everything/index.ts

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+#!/usr/bin/env node
+
+import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
+import { createServer } from "./everything.js";
+
+async function main() {
+  const transport = new StdioServerTransport();
+  const { server, cleanup } = createServer();
+
+  await server.connect(transport);
+
+  // Cleanup on exit
+  process.on("SIGINT", async () => {
+    await cleanup();
+    await server.close();
+    process.exit(0);
+  });
+}
+
+main().catch((error) => {
+  console.error("Server error:", error);
+  process.exit(1);
+});

src/everything/sse.ts

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+import { SSEServerTransport } from "@modelcontextprotocol/sdk/server/sse.js";
+import express from "express";
+import { createServer } from "./everything.js";
+
+const app = express();
+
+const { server, cleanup } = createServer();
+
+let transport: SSEServerTransport;
+
+app.get("/sse", async (req, res) => {
+  console.log("Received connection");
+  transport = new SSEServerTransport("/message", res);
+  await server.connect(transport);
+
+  server.onclose = async () => {
+    await cleanup();
+    await server.close();
+    process.exit(0);
+  };
+});
+
+app.post("/message", async (req, res) => {
+  console.log("Received message");
+
+  await transport.handlePostMessage(req, res);
+});
+
+const PORT = process.env.PORT || 3001;
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});