DomainCheckr

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect DomainCheckr to Claude Desktop or Cursor in seconds

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

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

Architecture & Capabilities

System Overview

Checks domain name availability using the modern RDAP protocol, integrating directly with AI assistants without requiring an API key.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for DomainCheckr

It functions as a remote MCP (Multi-Client Protocol) server, enabling direct integration with AI tools like Claude Desktop, Claude Code, Cursor, and Windsurf. No local installation or API keys are needed, just add the provided URL to your client config.

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