MCP Go

@mark3labs

Basic information

About MCP Go

A Go implementation of the Model Context Protocol (MCP), enabling seamless integration between LLM applications and external data sources and tools.

MCP Go config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

MCP Go tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is MCP Go 🚀?

MCP Go is a Go implementation of the Model Context Protocol (MCP), enabling developers to build servers that expose data and functionality to LLM applications in a secure, standardized way. It provides a high-level, easy‑to‑use SDK for creating MCP servers with minimal boilerplate.

How to use MCP Go 🚀?

Install the package with go get github.com/mark3labs/mcp-go, then create an MCP server using server.NewMCPServer(), add tools, resources, or prompts, and start the server with server.ServeStdio(). The README includes code examples for a calculator tool and a static resource.

Key features of MCP Go 🚀

Go implementation of the Model Context Protocol (MCP)
High-level interface for rapid development
Minimal boilerplate for building MCP servers
Supports Resources, Tools, and Prompts
Task-augmented tools for asynchronous execution
Session management and request hooks

Use cases of MCP Go 🚀

Expose data from files, APIs, or databases to LLMs as Resources
Provide executable actions (Tools) for LLMs to perform side effects
Define reusable prompt templates for LLM interactions
Build custom MCP servers for AI agent integration

Frequently asked questions

What MCP specification version does MCP Go support?

MCP Go implements MCP specification version 2025‑11‑25, with backward compatibility for versions 2025‑06‑18, 2025‑03‑26, and 2024‑11‑05.

Is MCP Go complete and stable?

No, MCP Go is under active development. Core features are working, but some advanced capabilities are still in progress.

What language/runtime is required?

MCP Go is a Go library; you need the Go programming language to use it.

How do I start an MCP Go server?

The README demonstrates starting a server using stdio transport with `server.ServeStdio(s)`. Other transports are mentioned in the extras section of the documentation.

What are the core building blocks of an MCP Go server?

A server can expose **Resources**

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