ContrastKit MCP Server: Install & Setup

Install ContrastKit in Claude Code

Claude Code

claude mcp add --transport http contrastkit https://contrastkit.mike-tusa.workers.dev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "contrastkit": {
      "url": "https://contrastkit.mike-tusa.workers.dev/mcp"
    }
  }
}

Frequently asked questions

What does the ContrastKit MCP server do?

WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.

Is the ContrastKit MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does ContrastKit run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add ContrastKit to Claude Code?

Run: claude mcp add --transport http contrastkit https://contrastkit.mike-tusa.workers.dev/mcp

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