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Rapp Domains MCP Server

answering

Rapp Domains is answering right now. Last checked 8 min ago. It exposes 3 tools. Last commit 6 Oct 2026.

Check and price up to 20 domain names at once; agents can register them, paying per request.

Uptime history 8 days of history · worst day 99%
8 days agonow
100.0%
Uptime 24h
92 of 92 checks
3
Tools
read from the server
1839 ms
Response time
average over 24h
0
Stars
last commit 6 Oct 2026

Rapp Domains missed 2 checks this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

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 8 min ago.

run in your terminal
claude mcp add rapp-domains --transport http https://rapp-agent-builder.azurewebsites.net/domains/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "rapp-domains": {
      "url": "https://rapp-agent-builder.azurewebsites.net/domains/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.rapp-domains]
url = "https://rapp-agent-builder.azurewebsites.net/domains/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "rapp-domains": {
      "url": "https://rapp-agent-builder.azurewebsites.net/domains/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "rapp-domains": {
      "url": "https://rapp-agent-builder.azurewebsites.net/domains/mcp"
    }
  }
}

Available tools 3

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

domain
check_domain
Use when the user wants a domain name, is naming a business or project, or asks whether a domain is taken. Checks up to 20 full domain names (you can suggest variations and check them together) and returns whether each is available and its price.
register
register_domain
Use when the user wants to buy an available domain. Explains how to register it: AI agents pay per call; people ask us and we register it for them. Nothing is bought by this tool.
request
request_service
Use when the person wants something none of these tools can do and says yes to passing the request on. Records only the request text they agree to send (no name or contact). Ask before calling it.

Endpoints

URLTransportStateLatencyChecked
https://rapp-agent-builder.azurewebsites.net/domains/mcp streamable-http answering 685 ms 8 min ago

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Rapp Domains — questions

Answers built from our own checks of this server.

What can Rapp Domains do?
It exposes 3 tools, read directly from the server on our last check. Among them: check_domain, register_domain, request_service. 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 Rapp Domains working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 1839 ms. The bar chart above shows every period we have measured.
How do I connect Rapp Domains?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Rapp Domains need an API key?
No. Rapp Domains completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
Is Rapp Domains open source?
We cannot say either way: written in JavaScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.