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Free[mcp-use](https://github.com/pietrozullo/mcp-use)
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mcp-use is a full-stack open-source framework for building MCP (Model Context Protocol) servers and apps that integrate with AI assistants like ChatGPT and Claude. It provides SDKs for TypeScript and Python, a widget system for creating interactive components, and tools for testing and deployment. The framework enables developers to define tools, manage APIs, and build reusable widgets that work across multiple MCP clients.
Key Features
Full-stack MCP framework for building servers and apps
TypeScript and Python SDKs
Interactive widget system (React components) for cross-client MCP apps
MCP Inspector for testing and debugging
Quickstart with `npx create-mcp-use-app@latest`
Skills for coding agents (Claude Code, Codex, Cursor)
Deploy on Manufact MCP Cloud with observability, metrics, and branch-deployments
Open source with a permissive license
Pros & Cons
Pros
- Full-stack framework covering server and app development
- Widget system enables rich interactive UIs across clients
- Quick start with CLI scaffolding tool
- Active open-source project with strong community adoption (10.3k stars)
- Supports both TypeScript and Python for flexibility
- Includes debugging and testing tools (MCP Inspector)
Cons
- Requires Node.js and npm environment for development
- Documentation may be limited to GitHub README and examples
- Relatively new ecosystem; integration with some clients may be immature
Best For
Build MCP servers to expose tools and data to AI agentsCreate interactive MCP apps with widgets for ChatGPT and ClaudeDevelop reusable AI-powered components for multiple clientsRapid prototyping of MCP-based integrations
FAQ
What is mcp-use?
mcp-use is a full-stack MCP (Model Context Protocol) framework for building MCP servers and apps that work with AI assistants like ChatGPT and Claude.
What languages are supported?
mcp-use provides SDKs for TypeScript and Python.
What are MCP apps?
MCP apps are interactive widgets that work across Claude, ChatGPT, and other MCP clients, letting you build once and run everywhere.
Is mcp-use open source?
Yes, mcp-use is open source and available on GitHub under a permissive license.