Free API & MCP

Free, no-key access to Ahrefs Domain Rating data tracked on DR Studio. Use the REST API in any app, or connect the MCP server to your AI assistant. CORS is open — call it from the browser too.

Attribution required: Domain Rating by Ahrefs · license

REST endpoints

GET /api/public/domain-rating
Latest Domain Rating for a single tracked domain.
GET /api/public/leaderboard
Indie projects ranked by DR (highest first).
POST /api/mcp
MCP server — connect Claude, Cursor, and other MCP-compatible clients.

Connect your AI tool

Pick your client, copy the snippet into its MCP config, and restart it. No API key, no auth.

One command, every client

Auto-detects Cursor, Claude Code, VS Code, Codex, Windsurf and installs into each.

npx add-mcp https://drstud.io/api/mcp

Add to Cursor

Or edit ~/.cursor/mcp.json

{
  "mcpServers": {
    "dr-studio": {
      "url": "https://drstud.io/api/mcp"
    }
  }
}

Or use the REST API

curl "https://drstud.io/api/public/domain-rating?domain=example.com"

Limits

Fair use. No hard rate limit yet — please don't abuse it. If a domain isn't in the index, submit it free at drstud.io.