DOMPurify

GitHub

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

RAW Config

Claude Desktop Configuration

Add to ~/Library/Application Support/Claude/claude_desktop_config.json

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