Domain Checker MCP Server
Model Context Protocol (MCP) server for domain availability checking and intelligent domain recommendations.
Purpose
Provides AI agents with domain name checking capabilities, including:
- Check if a single domain is available for registration
- Batch check multiple domains at once
- Generate intelligent domain name suggestions based on keywords
- Support for multiple TLDs (Top Level Domains)
Features
Available Tools
| Tool | Description |
|---|---|
check_domain | Check if a single domain name is available |
check_domains_batch | Check availability for multiple domains at once |
suggest_domains | Generate domain name suggestions based on keywords |
Intelligent Features
- WHOIS Integration: Uses the whoiser library for accurate domain availability checks
- Multi-TLD Support: Check domains across .com, .org, .net, .io, .app, and more
- Smart Suggestions: Generates creative domain combinations from keywords
- Batch Processing: Efficiently check multiple domains in a single request
Installation
# Install dependencies
npm install
# or
pnpm install
# Build the server
npm run build
Configuration
No configuration required by default. The server uses public WHOIS services.
For Claude Code MCP Configuration
Add to your ~/.config/claude-code/mcp-servers.json:
{
"mcpServers": {
"domain-checker": {
"command": "node",
"args": ["/path/to/mcp-domain-checker/dist/index.js"]
}
}
}
Usage Examples
Check Single Domain
// Check if example.com is available
await check_domain({ domain: "example.com" })
Batch Check Multiple Domains
// Check multiple domains at once
await check_domains_batch({
domains: ["myapp.com", "myapp.io", "myapp.dev"]
})
Generate Domain Suggestions
// Get 10 domain suggestions for a tech startup
await suggest_domains({
keywords: ["tech", "startup", "ai"],
count: 10,
tlds: ["com", "io", "ai", "dev"]
})
Development
# Watch mode for development
npm run dev
# Build for production
npm run build
# Type checking
tsc --noEmit
API Reference
check_domain
Check if a single domain name is available.
Parameters:
domain(string, required): The domain name to check (e.g., "example.com")
Returns:
available(boolean): Whether the domain is availabledomain(string): The checked domain namewhoisData(object, optional): Raw WHOIS data if available
check_domains_batch
Check availability for multiple domain names at once.
Parameters:
domains(string[], required): Array of domain names to check
Returns:
- Array of availability results for each domain
suggest_domains
Generate domain name suggestions based on keywords.
Parameters:
keywords(string[], required): Keywords to use for suggestionscount(number, optional): Maximum number of suggestions (default: 10)tlds(string[], optional): TLDs to check (default: ["com", "org", "net", "io", "app"])
Returns:
- Array of available domain suggestions with metadata
License
MIT
Author
Built with Claude Code