TLD Bench

Working Security A

com.tldbench/tldbenchv1.0.0 Domain verified

Domain prices for every TLD at the top registrars: renewals, N-year totals, history, availability.

Commerce

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Registry entry

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{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-05T23:45:31.412432Z",
      "publishedAt": "2026-11-05T23:45:31.412432Z",
      "statusChangedAt": "2026-11-05T23:45:31.412432Z"
    }
  },
  "server": {
    "name": "com.tldbench/tldbench",
    "icons": [
      {
        "src": "https://tldbench.com/icon.svg",
        "sizes": [
          "any"
        ],
        "mimeType": "image/svg+xml"
      }
    ],
    "title": "TLD Bench",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://tldbench.com/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "1.0.0",
    "websiteUrl": "https://tldbench.com/agents",
    "description": "Domain prices for every TLD at the top registrars: renewals, N-year totals, history, availability."
  }
}

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https://tldbench.com/mcp

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Tool list from our last check. Connect live to refresh it.

cheapest_registrar Read-only

Use this when the user wants the single best place to buy (or transfer) one or more extensions for N years. Ranks by the total cost of ownership, not the first-year promotion; returns the winner with a year-by-year breakdown, three runners-up and caveats. Up to 20 extensions in one call.

tldsarray, required

1-20 extensions

yearsinteger

horizon for totals, 1-10 years (default 3)

currencystring

ISO 4217 currency for prices (default USD); converted at the ECB's daily rate, disclosed in `fx`

operationstring

start with a new registration (default) or a transfer in

exclude_registrarsarray

registrar ids to leave out

TLD Bench

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cheapest_registrar Read-only

TLD Bench

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cheapest_registrar Read-only

Install

Tools (10)

Security checkA100/100

Argument	Type	Description
tlds*	array	1-20 extensions
years	integer	horizon for totals, 1-10 years (default 3)
currency	string	ISO 4217 currency for prices (default USD); converted at the ECB's daily rate, disclosed in `fx`
operation	string	start with a new registration (default) or a transfer in
exclude_registrars	array	registrar ids to leave out

Argument	Type	Description
mode	string	fast: a DNS delegation is accepted as proof of registration; precise: always ask the registry (status codes, expiry)
years	integer	horizon for totals, 1-10 years (default 3)
domains*	array	1-50 full names (example.com, bücher.de)
currency	string	ISO 4217 currency for prices (default USD); converted at the ECB's daily rate, disclosed in `fx`
with_prices	boolean	add the cheapest registrar's price for names that are free

Argument	Type	Description
tld*	string	an extension: com, .io, co.uk or рф
sort	string	rank by the N-year total (default), or by one price
limit	integer	offers returned, cheapest first (default 20)
years	integer	horizon for totals, 1-10 years (default 3)
currency	string	ISO 4217 currency for prices (default USD); converted at the ECB's daily rate, disclosed in `fx`
registrars	array	only these registrars
include_stale	boolean	include prices not confirmed for 3x their source's cadence (marked stale)

Argument	Type	Description
name*	string	the label, without an extension (acmeforge)
tlds	array	1-50 extensions; default: the preset
years	integer	horizon for totals, 1-10 years (default 3)
preset	string	popular (default), tech, cheap, or country:<cc> (country:de)
currency	string	ISO 4217 currency for prices (default USD); converted at the ECB's daily rate, disclosed in `fx`
max_renew_price	number	leave out extensions whose cheapest renewal is above this (in `currency`)

Argument	Type	Description
tlds	array	extensions to try (default com)
limit	integer	names to check (each counts against the availability limit; default 20)
years	integer	horizon for totals, 1-10 years (default 3)
currency	string	ISO 4217 currency for prices (default USD); converted at the ECB's daily rate, disclosed in `fx`
keywords	array	words to build names from with simple rules (prefixes, suffixes, TLD hacks, pairs)
candidates	array	your own ideas: labels (brewly) or full names (brewly.co); labels are tried with each of `tlds`
max_length	integer	longest label
max_renew_price	number