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Hivex .si names MCP Server

by hivex Your server? Claim it
answering

Hivex .si names is answering right now. Last checked 10 min ago. It exposes 4 tools.

Find and check .si domain names that are free to register, from an index of 600,000+ names.

Uptime history 5 days of history
5 days agonow
100.0%
Uptime 24h
92 of 92 checks
4
Tools
read from the server
620 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 11 October 2026. No other catalogue keeps this.

11 Oct 2 tools appeared dns_lookup, whois_lookup

Nothing serious here today

Today is the operative word: we check Hivex .si names 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 10 min ago.

run in your terminal
claude mcp add names --transport http https://hivex.si/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "names": {
      "url": "https://hivex.si/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.names]
url = "https://hivex.si/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "names": {
      "url": "https://hivex.si/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "names": {
      "url": "https://hivex.si/mcp"
    }
  }
}

Available tools 4

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

dns
dns_lookup
Look up the DNS records of any domain or hostname on any extension, live, through Cloudflare's public resolver: A, AAAA, CNAME, MX, NS, TXT, CAA, SOA and more, or the reverse DNS (PTR) of an IP address. Returns the records with their TTLs and the hivex.si page that explains what they mean.
name
check_name
Look up one .si domain name: whether Hivex lists it as free or likely free, whether it is for sale on Hivex, or whether someone registered it, plus a DNS lookup made now. Returns the name's hivex.si page, where the user runs the final live registry check before registering.
names
find_names
Search Hivex's index of .si domain names that are free to register. Filter by a word or fragment (contains, starts with, ends with, exact), length and minimum score; sort by best score, newest or shortest. Returns up to 25 names, each with its hivex.si page.
whois
whois_lookup
Look up the registration record of any domain, live from its registry's RDAP (the successor of WHOIS): whether it is registered, the registrar, creation and expiry dates, status codes and name servers. Personal details of the holder are never returned. Links to the explained record on hivex.si.

Endpoints

URLTransportStateLatencyChecked
https://hivex.si/mcp streamable-http answering 66 ms 10 min ago

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Hivex .si names — questions

Answers built from our own checks of this server.

What can Hivex .si names do?
It exposes 4 tools, read directly from the server on our last check. Among them: check_name, dns_lookup, find_names, whois_lookup. 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 Hivex .si names 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 620 ms. The bar chart above shows every period we have measured.
How do I connect Hivex .si names?
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 Hivex .si names need an API key?
No. Hivex .si names completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Hivex .si names?
It answers our handshake in 620 ms on average, which is faster than 18% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.