domainmcp
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SearchCheck a name across every endingDomain pricesFirst year and renewal, every endingMCP setupClaude, ChatGPT and Gemini in a minuteAPIOpen REST endpoints, no key neededDocumentationEvery endpoint, tool and limit
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Documentation / Assistants / MCP tools

Domain MCP tools

MCP tools

The five tools the server offers, what each takes, and the kind of question that makes an assistant reach for it.

Every tool is read only and answers with the same fields as its API endpoint, so Reading a result applies to both.

check_domains

Give up to 50 full domains and find out which are free to register, with today's domain prices and a buy link for each free one. The same as /v1/check.

domainslist of strings, required
Full domains, up to 50.
Is brightfield.com free? What about brightfield.io?

search_name

Give one name and get back every ending you ask for, free ones first and cheapest first, each with today's domain prices and a link to register it. The same as /v1/search.

namestring, required
The name without an ending.
endingslist of strings, optional
The endings to try. 12 popular ones when left out.
Which endings of brightfield are free, and what do they cost?

suggest_names

Describe a business or project in a few words and get back name ideas, each one checked and free to register, with a line on why it fits. The same as /v1/suggest.

briefstring, required
What the business or project is, in a few words.
countinteger, optional
1 to 10, 6 when left out.
Suggest some free names for a yoga studio in Chiang Mai.

domain_details

Everything known about one domain: free or taken, and for a taken one who holds it, when it was registered, when it expires and its nameservers. The same as /v1/details.

domainstring, required
One full domain.
Who holds example.com, and when does it expire?

ending_prices

The public price of registering a domain on any ending: the first year, the renewal, the fewest years sold, and whether the first year is on offer. The same as /v1/prices.

endingslist of strings, optional
The endings you want. Every priced ending when left out.
What does a .ai domain cost to register and to renew?
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