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4ai – premium .ai domains for sale MCP Server

by 4ai Your server? Claim it
answering

4ai – premium .ai domains for sale is answering right now. Last checked 2 min ago. It exposes 10 tools.

Search 254 premium .ai domains for sale, get free .ai value estimates and real .ai sales data.

Uptime history 21 hours of history
21 hours agonow
100.0%
Uptime 24h
77 of 77 checks
10
Tools
read from the server
193 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check 4ai – premium .ai domains for sale every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.

run in your terminal
claude mcp add domains --transport http https://4ai.ai/mcp
Settings → Connectors → Add custom connector, then paste this address
https://4ai.ai/mcp
~/.codex/config.toml
[mcp_servers.domains]
url = "https://4ai.ai/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "domains": {
      "url": "https://4ai.ai/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "domains": {
      "type": "http",
      "url": "https://4ai.ai/mcp"
    }
  }
}

Available tools 10

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

domain
ai_domain_sales
The biggest publicly reported .ai domain sales (price in USD, date, venue, source). Useful to estimate what a .ai domain is worth.
get_domain
Details for one domain in the 4ai portfolio (for example "p0.ai"): categories, page, offer link, and comparable public .ai sales. Says so if the domain is not in the portfolio.
categories
list_categories
Categories of .ai domains in the 4ai portfolio, with what they are good for and how many names each has.
compare
compare_domains
Compare 2 to 5 .ai domain names side by side: length, type, words, whether 4ai sells it, estimated value ranges and a short verdict.
domains
search_domains
Search the 4ai.ai portfolio of premium .ai domain names for sale. Filter by a word in the name, a category (see list_categories), type and maximum length. Every result has an offer link.
estimate
estimate_domain_value
Free value estimate for any .ai domain name: auction, marketplace and brokerage values with likely ranges, the type of name, a short verdict and notes. Also says if the name is for sale on 4ai, with an offer link. Up to 100 names per call.
how
how_buying_works
The steps, payment (Escrow.com), fees, minimum offer and transfer time for buying a .ai domain from 4ai. Use it when the user asks whether buying is safe or how it works.
offer
get_offer_link
A link to the offer form for a 4ai domain with the amount (and an optional note) filled in. Nothing is sent: the user opens the link, checks the offer and sends it. Minimum offer $3,000.
similar
similar_domains
Alternatives to a .ai domain: give any name (taken, too expensive, or one the user already likes) and get the closest .ai domains that are for sale on 4ai.
suggest
suggest_domains
Describe a company, product or idea in plain words (e.g. "telehealth app for mental health", "crypto casino", "quantum chip startup") and get the best-fitting .ai domains from the 4ai portfolio, ranked, each with the reason it fits and an offer link. Use this when the user asks for a .ai name for something.

Endpoints

URLTransportStateLatencyChecked
https://4ai.ai/mcp streamable-http answering 115 ms 2 min ago

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4ai – premium .ai domains for sale — questions

Answers built from our own checks of this server.

What can 4ai – premium .ai domains for sale do?
It exposes 10 tools, read directly from the server on our last check. Among them: ai_domain_sales, compare_domains, estimate_domain_value, get_domain, get_offer_link, how_buying_works and 4 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is 4ai – premium .ai domains for sale working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 77 of 77 checks got a reply (100.0%), average response time 193 ms. The bar chart above shows every period we have measured.
How do I connect 4ai – premium .ai domains for sale?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does 4ai – premium .ai domains for sale need an API key?
No. 4ai – premium .ai domains for sale completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 10 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is 4ai – premium .ai domains for sale?
It answers our handshake in 193 ms on average, which is faster than 73% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.