Next.js MCP Server Template

import { Client } from "@modelcontextprotocol/sdk/client/index.js"; import { SSEClientTransport } from "@modelcontextprotocol/sdk/client/sse.js"; const origin = process.env.MCP_SERVER_URL || process.argv[2]; if (!origin) { console.error('MCP_SERVER_URL environment variable or command line argument required'); process.exit(1); } async function main() { const transport = new SSEClientTransport(new URL(`${origin}/api/mcp/sse?sessionId=test-session`)); const client = new Client( { name: "example-client", version: "1.0.0", }, { capabilities: { prompts: {}, resources: {}, tools: {}, }, } ); console.log("Connecting to", origin); await client.connect(transport); console.log("Connected", client.getServerCapabilities()); const result = await client.listTools(); console.log(result); client.close(); } main();