const transport = new StreamableHTTPServerTransport({
  sessionIdGenerator: () => randomUUID(),
  onsessioninitialized: (sessionId) => {
    transports[sessionId] = transport;
  },
});

transport.onclose = () => {
  if (transport.sessionId) {
    delete transports[transport.sessionId];
  }
};
const server = new McpServer({
  name: mcpService.name,
  version: "1.0.0",
  description: mcpService.description,
});
server.registerTool(
  tool.tool_name,
  {
    title: tool.tool_name,
    description: tool.tool_description,
    inputSchema: this.convertJsonSchemaToZod(inputSchema),
  },
  async (args) => {
    // some async action
    const res = await xxx;
    return {
      content: [{ type: "text", text: "test" }],
    };
  }
);
await server.connect(transport);
await transport.handleRequest(req, res, body);