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What is mcp-golang?

mcp-golang is an unofficial implementation of the Model Context Protocol in Go. It provides a robust framework for building servers that can interact with AI models through a standardized protocol.

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Key Features

Batteries Included

Set up an MCP server with support for tools, resources, and prompts in just a few lines of code.

Type Safety

Full Go type safety with automatic JSON schema generation from go structs.

Composable

Just take the components you need: transport, protocol or server.

Bring your own transport

mcp-golang has implemented the default transports: stdio and sse. If you need to implement your own transport, no problem! Use the rest of the library

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Design Philosophy

The library is designed with the following principles in mind:

  • Simple API: Easy to use for basic cases while supporting complex production use cases
  • Sane Defaults: Provides reasonable defaults while allowing customization
  • Server First: Primary focus on server implementation with future plans for client support
  • Production Ready: Built for reliability and performance in production environments

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Getting Started

To start using mcp-golang in your project, head over to our Quickstart guide. For more detailed information about development and contribution, check out our Development guide.