Modern, Flexible, Composable MCP servers SDK

		import { McpServer } from 'tmcp';
import { tool } from 'tmcp/utils';
import { ValibotJsonSchemaAdapter } from '@tmcp/adapter-valibot';
import { StdioTransport } from '@tmcp/transport-stdio';
import * as v from 'valibot';
 
export const server = new McpServer(
	{
		name: 'my-awesome-server',
		version: '1.0.0',
	},
	{
		adapter: new ValibotJsonSchemaAdapter(),
		capabilities: {
			tools: {},
		},
	},
);
 
server.tool(
	{
		name: 'add',
		description: 'Adds two numbers',
		schema: v.object({
			first: v.number(),
			second: v.number(),
		}),
	},
	({ first, second }) => {
		return tool.text(`${first}+${second} is ${first + second}`);
	},
);
 
const stdio = new StdioTransport(server);
stdio.listen();
	

		import { server } from './my-mcp-server.js';
import { HttpTransport } from '@tmcp/http-transport';
import {
	RedisStreamSessionManager,
	RedisInfoSessionManager,
} from '@tmcp/session-manager-redis';
 
const transport = new HttpTransport(server, {
	// only respond on the mcp path
	path: '/mcp',
	// built in session management, even for serverless
	sessionManager: {
		streams: new RedisStreamSessionManager('redis://localhost:6379'),
		info: new RedisInfoSessionManager('redis://localhost:6379'),
	},
});
 
Bun.serve({
	async fetch(request) {
		return (await transport.respond(request)) ?? render_website(request);
	},
});