🔧

everything

Official🔧MCP Server

modelcontextprotocol/servers

What it does

Test server demonstrating all MCP protocol features including prompts, tools, resources, and sampling. Intended for MCP client builders to test implementations.

Overview

An official MCP reference server that demonstrates every feature of the Model Context Protocol. It serves as a test bed for MCP client developers, showcasing prompts, tools, resources, and sampling capabilities in a single server.

Key Features

Demonstrates all MCP protocol capabilities (prompts, tools, resources, sampling)
Provides test endpoints for client implementation validation
Includes example patterns for each protocol feature
Useful as a reference implementation for building custom MCP servers

Who is this for?

MCP client and server developers who need a comprehensive reference implementation to test their integrations against. Not intended for production use — this is a development and testing tool.

testdemoprotocolreference

Installation

Claude CodeAuto-generated from README. View full documentation on GitHub →

claude mcp add everything -- npx -y @modelcontextprotocol/server-everything

Server ConfigurationServer configuration (JSON)

{
  "mcpServers": {
    "everything": {
      "command": "npx",
      "args": [
...

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Last UpdatedMar 17, 2026

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