everything vs MCPScan

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

	everything by modelcontextprotocol	MCPScan by sahiloj
Stars	★ 85,748	★ 22
30d uses	—	—
Score	77	45
Official	✓	—
Categories	Developer ToolsAI / LLM ToolsOther	SecurityDeveloper ToolsOps & Infra
Language	TypeScript	TypeScript
Last commit	this month	2 mo ago

everything · Summary

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

MCPScan · Summary

MCPScan is an offensive security auditor for MCP servers, detecting tool poisoning, credential leaks, RCE vectors, and supply chain vulnerabilities across stdio, HTTP, and SSE transports.

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

MCPScan · Use cases

Auditing MCP servers for security vulnerabilities before deployment
Continuous integration security checks in CI/CD pipelines
Security research on MCP protocol attack vectors
Discovering exposed MCP servers on local networks

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

MCPScan · Install

# Requires Node.js ≥ 18
git clone https://github.com/sahiloj/MCPScan.git
cd MCPScan
npm install
npm run build

# Link globally
npm link

# Run from anywhere
mcpscan --help

**Claude Desktop Integration:** MCPScan automatically discovers Claude Desktop configurations at standard locations:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Linux: ~/.config/claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

Comparison generated from public README + GitHub signals. Last updated automatically.