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Reference

Everything

Reference and test server exercising every MCP feature, including prompts, resources, tools, and sampling, for client developers.

by AnthropicRepository →Source →
Installnpx -y @modelcontextprotocol/server-everything

The Everything MCP server is a reference and test server that demonstrates the full range of MCP protocol features. It is primarily useful for developers building and testing MCP clients.

Capabilities

  • Exercises prompts, resources, and tools
  • Demonstrates sampling and logging
  • Useful as a conformance and integration test target

Usage

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