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io.github.easonwong-de/firefox-css-theme

MCP for building, inspecting, and live-debugging Firefox CSS themes.

Install

Add the config to your client settings. Replace values in <angle brackets> with your own.

claude_desktop_config.json

{
  "mcpServers": {
    "firefox-css-theme": {
      "command": "npx",
      "args": [
        "-y",
        "firefox-css-theme@0.3.4"
      ]
    }
  }
}

Details

Name: io.github.easonwong-de/firefox-css-theme
Version: 0.3.4
Updated: Oct 14, 2026
Source: Official MCP Registry
Repository: https://github.com/easonwong-de/Firefox-CSS-Theme