CSS

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect CSS to Claude Desktop or Cursor in seconds

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

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Provides up-to-date CSS documentation from MDN and comprehensive CSS code analysis.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for CSS

It fetches official MDN CSS documentation and browser compatibility data, converting HTML content to clean, readable Markdown. It supports simple CSS property names and full MDN paths, with smart caching for fast responses.

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