4ai
4ai for AI Agents & Developers: MCP Server, API, Data
Connect AI assistants to 4ai.ai: an MCP server, JSON data and an OpenAPI description for 254 premium .ai domains for sale and .ai sales records, plus embeddable widgets.
Let AI assistants and apps find premium .ai domains for your users. Connect any MCP client (streamable HTTP) to: Every domain result includes an offer link, so the assistant can send the user straight to buying. In Claude, add it as a custom connector (Settings → Connectors → Add custom connector) with the URL above. Listed in the official MCP Registry as ai.4ai/domains .
Pricing & access
4ai is a paid product. Check 4ai.ai for current plans.
Frequently asked questions
What is 4ai?
4ai is 4ai for AI Agents & Developers: MCP Server, API, Data. Connect AI assistants to 4ai.ai: an MCP server, JSON data and an OpenAPI description for 254 premium .ai domains for sale and .ai sales records, plus embeddable widgets.
Is 4ai free?
4ai is a paid product.
What are the best 4ai alternatives?
People comparing 4ai also look at Backlane, Bot403, Cypher eSIM, Reuily. See all options in the Developer Tools category on SiftFox.
Work on 4ai?
Claim this profile for free - instant with a work email at 4ai.ai.
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