Cheapest Domains MCP Server

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Cheapest Domains is listed as active in the registry but did not answer our last check. It exposes 12 tools. Last commit 2 Oct 2026.

Compare domain registration and renewal prices across registrars and check exact-name availability.

Uptime history 41 days of history · worst day 0%

41 days agonow

0.0%

Uptime 24h

0 of 91 checks

Tools

read from the server

83 ms

Response time

average over 24h

Stars

last commit 2 Oct 2026

What changed 7

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 3 October 2026. No other catalogue keeps this.

8 Oct 3 tool descriptions were rewritten check_availability, check_availability_batch, search_prices

8 Oct a tool appeared get_price_history

8 Oct a tool changed the parameters it asks for check_availability

2 Oct 2 tools appeared compare_domain_names, open_name_finder

Cheapest Domains does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cheapest-domains --transport http https://www.cheapest.domains/mcp

Settings → Connectors → Add custom connector, then paste this address

https://www.cheapest.domains/mcp

~/.codex/config.toml

[mcp_servers.cheapest-domains]
url = "https://www.cheapest.domains/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cheapest-domains": {
      "url": "https://www.cheapest.domains/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cheapest-domains": {
      "type": "http",
      "url": "https://www.cheapest.domains/mcp"
    }
  }
}

Available tools 12

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

availability

check_availability

Check one exact domain. Cloudflare answers first; configured fallbacks, then an optional selected registrar, run only for missing facts; a taken name ends the chain. Returns separate availability and nullable premium facts, provider attempts and check times; null premium is unconfirmed, not standard tier. Recheck after expiresAt (5 min; up to 30 days if taken). No prices, purchase or reservation.

check_availability_batch

Check one name across up to 20 extensions, reusing shared evidence. Enrichment stops once availability is known, so premium can remain null. Partial failures keep the answers received plus retry guidance, without automatic retries. cachedOnly makes no provider calls. No selected-registrar fallback, fresh mode, prices or purchases.

compare

compare_domain_names

After checking exact names with the availability tools, compare up to 10 candidates using saved renewal-first prices and fresh cached evidence. No new availability requests; cache misses are Not confirmed. Returns standard reference offers, premium facts, dates and links. The assistant explains project fit. Split larger lists into bounded groups. Does not generate names.

domain

get_domain_popularity

Look up one exact domain in Cloudflare Radar’s global DNS popularity ranking. Returns an exact top-100 rank or a broader popularity group, categories, locations, data dates, and CC BY-NC 4.0 attribution. Not Google SEO difficulty, name competition, or availability. Missing data does not indicate zero competition.

estimate

estimate_cost

Estimate new registration plus subsequent renewals for one TLD at a registrar. Returns null for unknown multi-year term totals. Not a transfer or existing-domain renewal quote.

naming

get_naming_guidance

Return domain naming criteria, renewal-price comparison guidance and availability-status definitions. This static reference does not generate names or check availability.

open

open_name_finder

Open the naming form in a compatible host, or return its text workflow. Collect seed names, an optional project brief, count and annual renewal budget; the current assistant generates ideas and checks them with the research tools. Opening performs no generation or registrar checks. Does not connect subscriptions or require a model API key.

price

get_price_history

Return how each covered registrar's renewal or registration price for one extension changed over time: price periods with the date each price was first seen, when the previous price was last seen, and whether it came from our scheduled refreshes or the registrar's own price page archived by the Internet Archive. A first record may be older than its date. Availability is not checked.

prices

search_prices

Compare standard prices, including explicitly labeled Cloudflare samples. Find affordable domain extensions and registrar offers, sorted by annual renewal by default. Saved offers stay listed after a failed refresh, with stale flags and source timestamps for stating their age. Returns prices, citation links, timestamps, coverage, and pagination. Does not check exact-name availability.

registrar

get_registrar_link

Construct a verified registrar search destination for a proposed name and extension. Does not navigate, check availability, or purchase. NameBright and AWS Route 53 use an explicit copy/paste fallback.

registrars

get_registrars

Get connected registrar coverage, timestamps, fresh counts, failures, and registrars not compared.

tld

get_tld_prices

Compare all covered registrars for one extension. Returns source failures, quote timestamps and minimum terms; availability is not checked.

Endpoints

URL	Transport	State	Latency	Checked
https://www.cheapest.domains/mcp	streamable-http	answering	83 ms	12 min ago

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Cheapest Domains — questions

Answers built from our own checks of this server.

What can Cheapest Domains do?

It exposes 12 tools, read directly from the server on our last check. Among them: check_availability, check_availability_batch, compare_domain_names, estimate_cost, get_domain_popularity, get_naming_guidance and 6 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 Cheapest Domains working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 83 ms. The bar chart above shows every period we have measured.

The registry lists Cheapest Domains as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect Cheapest Domains?

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 Cheapest Domains need an API key?

No. Cheapest Domains completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 12 of them are readable on this page. This is what we observed, not what the docs claim.

Is Cheapest Domains open source?

The code is open source: it is published under the MIT licence and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at cheapest.domains, which runs on its operator's own terms.