ChatDomain Researcher

Domain name research toolkit — find available domain names, check availability across TLDs, and compare registration prices. Works as a CLI, REST API, Claude Code skill, Claude Code plugin, or MCP server.

CLI

Quick domain checks from the terminal:

npx chatdomain check stripe,notion,linear --tlds=com,ai,io
npx chatdomain prices stripe.com,notion.ai,linear.dev

Commands

| Command | Description | | --------------------------------------- | ----------------------------------------------------------------------------------------- | | chatdomain check <names> [--tlds=...] | Check availability of comma-separated names across TLDs (default: com,ai,io,dev,co,app) | | chatdomain prices <domains> | Get registration prices from multiple providers (GoDaddy, Namecheap, Netim, Vercel, etc.) |

Global install

npm install -g chatdomain

REST API

The ChatDomain API is available at https://api.chatdomain.ai/api.

| Endpoint | Method | Description | | --------------------------------------------- | ------ | ------------------------------------------------------ | | /api/check?names=name1,name2&tlds=com,ai,io | GET | Check availability (up to 10 names x 15 TLDs per call) | | /api/prices?domains=name1.com,name2.ai | GET | Get per-provider registration prices |

Examples

curl "https://api.chatdomain.ai/api/check?names=stripe,notion&tlds=com,ai,io"
curl "https://api.chatdomain.ai/api/prices?domains=stripe.com,notion.ai"

Skill: /domain-researcher

An AI-powered domain naming strategist for Claude Code. Describe your product idea and it will:

1. Research competitors and naming patterns in your space
2. Generate 5 distinct naming theses (professional, playful, technical, compound, abstract)
3. Launch 5 parallel agents — each generating 15-20 name ideas with variations
4. Check availability across all TLDs .com, .ai, .io, etc.
5. Rank the top domains by quality, fetch live pricing, and present results

Install the skill

npx skills add https://github.com/madarco/chatdomain-researcher --skill domain-researcher

Then use /domain-researcher in Claude Code.

Claude Code Plugin

Add this repo as a Claude Code plugin marketplace to get both the /domain-researcher skill and the MCP server.

Install

/plugin marketplace add madarco/chatdomain-researcher
/plugin install chatdomain@chatdomain-researcher

MCP Server

A hosted MCP server is available for clients that support the Model Context Protocol.

Configuration

Add to your .mcp.json or MCP client settings:

{
  "mcpServers": {
    "chatdomain": {
      "type": "http",
      "url": "https://api.chatdomain.ai/mcp"
    }
  }
}

Available tools

| Tool | Description | | ------------------- | ----------------------------------------------------------------------------------- | | available_domains | Check domain availability across multiple TLDs (up to 10 names x 15 TLDs per call) | | domain_prices | Get registration prices from multiple providers (GoDaddy, Namecheap, Netim, Vercel) |