An MCP (Model Context Protocol) server that checks domain availability using RDAP (Registration Data Access Protocol) with WHOIS fallback.
Domain Checker MCP is an MCP project maintained in the unitythemaker/domain-checker-mcp repository. The maintainer describes its purpose as “An MCP (Model Context Protocol) server that checks domain availability using RDAP (Registration Data Access Protocol) with WHOIS fallback”. Read the project documentation for the complete scope.
The documented npm package is domain-checker-mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| Input: | names (string[]) - Array of domain names without extensions |
| includeRawResponse | boolean, optional) - Include raw response data (default: false) |
| concurrency | number, optional) - Number of parallel workers (1-10, default: 4) |
{
"mcpServers": {
"domain-checker": {
"command": "npx",
"args": [
"-y",
"domain-checker-mcp"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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