mcp-use — Fullstack MCP Framework for AI Agents & Apps

mcp-use — Build MCP Apps & Servers

Quick Start (TypeScript)

import { MCPServer, text } from 'mcp-use';
import { z } from 'zod';

const server = new MCPServer({
  name: "my-server",
  version: "1.0.0"
});

server.tool({
  name: "get_weather",
  schema: z.object({ city: z.string() })
}, async ({ city }) => text(`Temperature: 72°F, City: ${city}`));

await server.listen(3000);

Quick Start (Python)

from mcp_use import MCPServer, text

server = MCPServer(name="my-server", version="1.0.0")

@server.tool()
async def get_weather(city: str) -> str:
    return text(f"Temperature: 72°F, City: {city}")

server.run(port=3000)

Key Features

Deployment

# Preview locally
npx mcp-use inspect

# Deploy to cloud
npx mcp-use deploy

FAQ

Q: What is mcp-use? A: mcp-use is a fullstack framework for building MCP servers and apps in TypeScript or Python, with built-in inspector, cloud deployment, and cross-platform widget support.

Q: Is mcp-use free? A: Yes, the SDK is open source under the MIT license. Cloud deployment has free and paid tiers.

Q: How do I create my first MCP server? A: Run npx create-mcp-use-app@latest for TypeScript or pip install mcp-use for Python, then define tools with the simple decorator/builder API.