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openmcp vs everything

Side-by-side comparison to help you pick between these two MCP servers.

openmcp
by getdatanaut
everything
by modelcontextprotocol
Stars★ 306★ 85,748
30d uses
Score4777
Official
Categories
Developer ToolsapiAI / LLM Tools
Developer ToolsAI / LLM ToolsOther
LanguageTypeScriptTypeScript
Last commit10 mo agothis month

openmcp · Summary

Turn any OpenAPI specification into an MCP server with just the tools you need.

everything · Summary

Official MCP test server exercising all protocol features for client builders.

openmcp · Use cases

  • Create MCP servers from existing APIs to extend chat client capabilities
  • Remix multiple MCP servers into a single server with curated tool sets
  • Securely expose only specific API functions rather than entire endpoints

everything · Use cases

  • Testing MCP client implementations against all protocol features
  • Learning MCP protocol capabilities through a reference server
  • Validating client compatibility with different transport methods

openmcp · Install

Install OpenMCP using npm:

npx -y openmcp install <url or file path to openapi specification> --client <chat client>

For Claude Desktop, add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "openmcp": {
      "command": "npx",
      "args": ["-y", "openmcp", "run", "--config", "./openmcp.json"]
    }
  }
}

everything · Install

NPX (recommended)

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

On Windows, use cmd /c:

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

Docker

{
  "mcpServers": {
    "everything": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "mcp/everything"]
    }
  }
}

Global install

npm install -g @modelcontextprotocol/server-everything@latest
npx @modelcontextprotocol/server-everything
Comparison generated from public README + GitHub signals. Last updated automatically.