MCP-Defender vs everything

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

	MCP-Defender by MCP-Defender	everything by modelcontextprotocol
Stars	★ 252	★ 85,748
30d uses	—	—
Score	46	77
Official	—	✓
Categories	SecurityDeveloper ToolsAI / LLM Tools	Developer ToolsAI / LLM ToolsOther
Language	TypeScript	TypeScript
Last commit	8 mo ago	this month

MCP-Defender · Summary

Desktop app that scans and blocks malicious MCP traffic in AI apps like Cursor and Claude.

everything · Summary

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

MCP-Defender · Use cases

Protecting AI development environments from malicious MCP tool calls
Monitoring and controlling MCP traffic in enterprise AI deployments
Providing security transparency for MCP-based interactions in AI applications

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

MCP-Defender · Install

Installation

Download the latest release for Mac from the [GitHub releases page](https://github.com/MCP-Defender/MCP-Defender/releases/latest)

Alternatively, clone and run locally:

# Install dependencies
npm install

# Start app
npm start

Configuration

MCP Defender works automatically with supported AI applications (Cursor, Claude, VS Code, Windsurf). No manual configuration is required.

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.