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mark3labs/mcp-go

Golang SDK for building MCP Servers and Clients.

#Golang#SDK#MCP
Publishermark3labs/mcp-go
Submitted date4/19/2025

MCP Go 🚀 - Overview

Title

MCP Go - A Go implementation of the Model Context Protocol (MCP) for seamless LLM integration

How to Use

MCP Go simplifies building MCP servers in Go, handling protocol details so you can focus on tools and resources.

Basic Setup:

  1. Installation:
    go get github.com/mark3labs/mcp-go
  2. Quickstart:
    • Create an MCP server with server.NewMCPServer().
    • Add tools/resources using s.AddTool() or s.AddResource().
    • Start the server via server.ServeStdio(s).

Example Tool:

s.AddTool(mcp.NewTool("hello_world", ...), helloHandler)

Key Features

  • Fast: High-level interface reduces boilerplate.
  • Simple: Minimal setup for MCP-compliant servers.
  • Complete: Implements core MCP specifications (with ongoing development).
  • Extensible: Supports tools, resources, and prompts for LLM interactions.

Use Cases

  • Data Integration: Expose databases/APIs as LLM-readable resources.
  • Tool Automation: Let LLMs execute Go functions (e.g., calculations, API calls).
  • Custom Workflows: Define prompts and tools for domain-specific LLM applications.

🚧 Note: Actively developed—core features are stable, but advanced capabilities are in progress.

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