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MCP Server Go

by DillonEnge

AI/Protocols & CommunicationJSON-RPCGoServerProtocol

MCP Server Go is a simple stdio MCP server implementation written in Go. It allows communication with AI models via the MCP protocol using JSON-RPC 2.0 over standard input/output streams.

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MCP Server Go

A simple stdio MCP server implementation written in Go

Overview

MCP Server Go implements the Model Control Protocol (MCP) over standard input/output streams using JSON-RPC 2.0. This server allows communication with AI models via the MCP protocol.

Building

go build -o mcp_server ./cmd

Usage

./mcp_server

Configuration

Environment variables:

  • MCP_SERVER_NAME: Custom server name (default: "Baby's First MCP Server")
  • MCP_SERVER_VERSION: Server version (default: "0.1.0")

Components

  • server: Core server implementation handling JSON-RPC requests
  • jsonrpc: JSON-RPC message types and MCP protocol definitions
  • stdio: Standard IO reader/writer implementation
  • safety: Thread-safe map implementation

Supported Methods

  • initialize: Server initialization
  • resources/list: List available resources
  • resources/read: Read resource content
  • tools/list: List available tools
  • tools/call: Call a tool

Protocol Version

Implements MCP protocol version "2024-11-05"