FastDomainCheck MCP Server
@bingal
About FastDomainCheck MCP Server
A Model Context Protocol for checking domain name registration status in bulk.
Basic information
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"fastdomaincheck": {
"command": "uvx",
"args": [
"fastdomaincheck-mcp-server"
]
}
}
}Tools
1Check 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 } } }
Overview
What is FastDomainCheck MCP Server?
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.
How to use FastDomainCheck MCP Server?
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.
Key features of FastDomainCheck MCP Server
- Bulk domain registration status checking
- Dual verification using WHOIS and DNS
- Support for IDN (Internationalized Domain Names)
- Concise output format
- Built-in input validation and error handling
Use cases of FastDomainCheck MCP Server
- Check availability of multiple domain names for registration
- Verify domain registration status from within an AI chat assistant
- Automate domain name research using natural language queries
FAQ from FastDomainCheck MCP Server
What is the limit on domains per request?
Maximum 50 domains per request, with a maximum length of 255 characters per domain.
How does the tool verify domain registration?
It uses WHOIS queries as the primary method, with DNS query fallback if WHOIS fails.
What runtime or dependencies are required?
Go 1.16 or higher and network connectivity for WHOIS and DNS queries. The binary is self-contained after download.
Where does the data come from?
Domain status data is retrieved in real time via public WHOIS and DNS lookups; no data is stored locally.
What transport or authentication does the server use?
The README does not specify transport or authentication details.
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