HTML to Figma — Design System vs UISandbox

In-depth architectural comparison of the HTML to Figma — Design System and UISandbox MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose HTML to Figma — Design System when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore HTML to Figma — Design System Details

Choose UISandbox when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore UISandbox Details

Feature & Specification Comparison

Specification	HTML to Figma — Design System Developer Tools	UISandbox Developer Tools
Summary	Translate HTML prototypes into Figma using your design system's real components and tokens.	Test your design on the real thing: load a built web app, turn its knobs, verify 1:1, export.
Category & Scope	Developer Tools	Developer Tools

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "html-to-figma-design-system": {
      "command": "npx",
      "args": [
        "-y",
        "mode"
      ]
    }
  }
}

{
  "mcpServers": {
    "uisandbox": {
      "command": "npx",
      "args": [
        "-y",
        "uisandbox-mcp"
      ]
    }
  }
}

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