Everything (official reference server)

MCP server by modelcontextprotocol · ★ 91.2k (shared repo) · updated 3 days ago

Developer ToolsMaintainedOfficialRemote availableOne-click install

Test/reference server that exercises every MCP feature (prompts, tools, resources, sampling). Built for MCP client developers, not for everyday use.

Install View on GitHub

Install Everything (official reference server)

Choose your AI client and copy the config.

Add to claude_desktop_config.json — macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Then restart Claude.

{
  "mcpServers": {
    "everything": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-everything"
      ]
    }
  }
}

Add to Cursor

Or add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "everything": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-everything"
      ]
    }
  }
}

Install in VS Code

Or add to .vscode/mcp.json in your workspace.

{
  "servers": {
    "everything": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-everything"
      ]
    }
  }
}

Run in your terminal:

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

Run the server directly:

npx -y @modelcontextprotocol/server-everything

Before you install: Install command taken from the project README. Check the README for any required environment variables.

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