What is the limit on domains per request?
Maximum 50 domains per request, with a maximum length of 255 characters per domain.
@bingal
A Model Context Protocol for checking domain name registration status in bulk.
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"fastdomaincheck": {
"command": "uvx",
"args": [
"fastdomaincheck-mcp-server"
]
}
}
}Check if multiple domain names are registered. Input: A list of domain names to check (e.g. ["example.com", "test.com"]) Output: JSON object containing registration status of each domain: { "results": { "example.com": { "registered": true }, "test.com": { "registered": false } } }
FastDomainCheck MCP Server is a Model Context Protocol implementation that enables secure, two-way connections between AI tools (like Claude) and domain availability data. It allows bulk checking of domain name registration status using dual verification with WHOIS and DNS.
Download the binary from the release page, make it executable, then configure it in your claude-desktop-config.json file by specifying the path to the binary under the fastdomaincheck server name. A Python version is also available via uvx fastdomaincheck-mcp-server.
Maximum 50 domains per request, with a maximum length of 255 characters per domain.
It uses WHOIS queries as the primary method, with DNS query fallback if WHOIS fails.
Go 1.16 or higher and network connectivity for WHOIS and DNS queries. The binary is self-contained after download.
Domain status data is retrieved in real time via public WHOIS and DNS lookups; no data is stored locally.
The README does not specify transport or authentication details.

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