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MCP Server
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Everything

by @modelcontextprotocol

Official Install with VS Code GitHub

Reference / test server with prompts, resources, and tools

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testingreferenceprotocoldemonstrationsdk
450 stars TypeScript MIT Updated: 2025-05-14

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Copy this prompt and paste it into Claude, Cursor, or any MCP client to install instantly.

Install the Everything MCP server for me.

Server: Everything
Description: Reference / test server with prompts, resources, and tools
Install command: npx -y @modelcontextprotocol/server-everything

GitHub: https://github.com/modelcontextprotocol/servers/tree/main/src/everything

Please install this MCP server and confirm when ready.

Paste into any AI agent with MCP support — works with Claude Desktop, Cursor, Cline, and more.

Quick Install

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

  1. Open Claude Desktop app
  2. Go to Settings → Developer → Edit Config
  3. Paste the config below into the file
  4. Restart Claude Desktop
{
  "mcpServers": {
    "everything": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-everything"
      ]
    }
  }
}

Add this to your ~/Library/Application Support/Claude/claude_desktop_config.json

Installation Methods

npx Run directly with npx
npx -y @modelcontextprotocol/server-everything

Tools (3)

echo

Echoes back the input message

add

Adds two numbers together

printEnv

Prints all environment variables

Compatibility

Claude Desktop
Cursor
Cline
VS Code
Devin (formerly Windsurf)

About

This MCP server exercises all the features of the MCP protocol. It is not intended to be a useful production server, but rather a test server for builders of MCP clients. It implements prompts, tools, resources, sampling, and more to showcase MCP capabilities.

Features Demonstrated

  • Tools — Basic computation and echo functions
  • Resources — Static and dynamic resource serving
  • Prompts — Templated prompt generation
  • Sampling — LLM sampling requests from server to client
  • Roots — Root directory management
  • Progress notifications — Long-running operation progress
  • Logging — Server log message streaming

Use Cases

  • Client development — Test your MCP client implementation
  • Protocol exploration — Understand all MCP features
  • Integration testing — Verify client-server communication
  • SDK validation — Confirm SDK completeness

Related Resources

GitHub

MCP Server

Repository management, file operations, and GitHub API integration

AI Model Evaluation Framework

Prompt

Design comprehensive benchmarking protocols for evaluating AI models across multiple dimensions including reasoning, creativity, coding, and safety with reproducible methodologies.

MCP Client Developer

Skill

Build Model Context Protocol clients to connect AI assistants with external tools and data sources. Master the protocol for seamless AI-tool integration.

Testing

Glossary

Evaluating software to ensure it behaves as expected.

Filesystem

MCP Server

Secure file operations with configurable access controls

Compare LLM Pricing

This server works with Claude, GPT-4o, and other models. Compare API costs side-by-side to find the cheapest option for your workflow.

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