HTML to Figma — Design System vs HVAC Builder

In-depth architectural comparison of the HTML to Figma — Design System and HVAC Builder 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

H

Choose HVAC Builder 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 HVAC Builder Details

Feature & Specification Comparison

Specification	HTML to Figma — Design System Developer Tools	H HVAC Builder Developer Tools
Summary	Translate HTML prototypes into Figma using your design system's real components and tokens.	Design, solve and simulate HVAC systems from real components, weather years and buildings.
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": {
    "hvac-builder": {
      "command": "npx",
      "args": [
        "-y",
        "hvac-builder"
      ]
    }
  }
}

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