domain-search-mcp

Overview

Domain Search MCP is a comprehensive domain management tool that works through Model Context Protocol. It provides fast, local-first domain availability checks using a fallback chain of RDAP → GoDaddy → WHOIS, with optional pricing integration. The server supports both stdio transport for Claude Desktop and other MCP clients, plus HTTP/SSE transport for ChatGPT Actions and web applications. Features include bulk checking up to 100 domains, AI-powered domain suggestions using a fine-tuned Qwen model, premium/auction detection, and social handle availability checks.

Try asking AI

After installing, here are 8 things you can ask your AI assistant:

• search_domain

  Check a domain name across multiple TLDs with premium/auction detection.

  Try:Check if techblog.com is availableTry:Search for myapp across .com, .io, and .dev
• bulk_search

  Check availability of up to 100 domain names for a single TLD.

  Try:Check startup, launch, begin, and init for .io availabilityTry:Bulk verify these domain names: product.io, service.io, app.io
• compare_registrars

  Compare pricing for a domain across different registrars.

  Try:Compare prices for techblog.com across registrarsTry:Show me pricing options for myapp.io
• suggest_domains

  Generate domain name variations with prefixes, suffixes, and hyphens.

  Try:Suggest domains for a coffee shopTry:Generate name variations for my tech startup
• suggest_domains_smart

  AI-powered generation of brandable domain names using fine-tuned model.

  Try:Suggest brandable names for a coffee shop in SeattleTry:Generate tech startup names related to AI
• analyze_project

  Analyze local project or GitHub repo to suggest matching domain names.

  Try:Analyze my project structure to suggest domain namesTry:Analyze https://github.com/example/project for domain ideas
• hunt_domains

  Find valuable domains for investment by scanning auctions and generating patterns.

  Try:Find valuable 3-letter domains for investmentTry:Hunt for domains with high resale potential in the tech space
• expiring_domains

  Monitor domains approaching expiration (requires federated negative cache).

  Try:Check domains expiring in the next 30 daysTry:Monitor these specific domains for expiration
• tld_info

  Get TLD metadata and restrictions.

  Try:Show me info about .ai TLD restrictionsTry:What are the requirements for registering a .io domain?
• check_socials

  Check username availability across social media platforms.

  Try:Check if @techblog is available on Twitter and GitHubTry:Verify username @startup across social platforms
• ai_health

  Check status of AI inference services and circuit breakers.

  Try:Check AI service health statusTry:Report on Qwen model availability and performance

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Installation

npx -y domain-search-mcp@latest

git clone https://github.com/dorukardahan/domain-search-mcp.git
cd domain-search-mcp
npm install
npm run build
npm start

{
  "mcpServers": {
    "domain-search": {
      "command": "npx",
      "args": ["-y", "domain-search-mcp@latest"]
    }
  }
}

{
  "mcpServers": {
    "domain-search": {
      "type": "stdio",
      "command": "npx",
      "args": ["-y", "domain-search-mcp@latest"]
    }
  }
}

FAQ

Does this require API keys to use?

No, basic availability checking works with zero configuration using public RDAP/WHOIS data. Only pricing comparison requires optional API keys from registrars.

Which AI model is used for domain suggestions?

The server uses a fine-tuned Qwen 7B-DPO model for AI-powered domain suggestions, which works out of the box without requiring API keys.

Can this be integrated with ChatGPT?

Yes, the server supports HTTP/SSE transport for ChatGPT Actions. You can start the HTTP server and import the OpenAPI specification to create a Custom GPT.

On Hacker News

Recent discussion from the developer community.

• Show HN: Domain Search MCP – AI-powered domain availability checker▲ 6💬 4
  Story by dorukardahan · 2025-12-26

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