← back to lookup
for ai agents

whois lookups, inside
your llm.

checkna.me is also an MCP server. Connect it to Claude, ChatGPT, or any MCP-capable agent and it can check domain availability, pull whois records, and scan TLDs mid-conversation — no API keys, no signup.

❯ https://checkna.me/mcp
streamable http · no auth · free
connect it

            
          

        

      


      
      

        
in action

        

          

            
Claude using the checkna.me MCP tools to check domain availability

            
Claude checking availability mid-brainstorm

          

          

            
ChatGPT pulling a whois record via the checkna.me MCP server

            
ChatGPT pulling the whois record for a lead

          

        

        

          
you → is mynewdomainname.com free? and what about the .net?

          
⚙ is_available mynewdomainname.com · lookup_domain mynewdomainname.net

          
claude → mynewdomainname.com is available. mynewdomainname.net is taken — registered via GoDaddy since 2011, expires in March 2029.

        

      


      
      

        
tools it exposes

        

          

            
is_available (domain)

            
Quick yes/no for one full domain (e.g. swiftblue.com). Returns just { domain, available }.

          

          

            
check_domains (domains[])

            
Availability for a list of full domains, mixed TLDs allowed — up to 25 per call.

          

          

            
lookup_domain (domain, include_raw?)

            
Full WHOIS/RDAP record — registrar, dates, status, nameservers. include_raw adds the raw WHOIS text.

          

          

            
check_availability (name, tlds?)

            
One bare name (swiftblue, not swiftblue.com) scanned across TLDs. Defaults to a common set, max 24.