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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "tldbench": {
      "type": "http",
      "url": "https://tldbench.com/mcp"
    }
  }
}

claude mcp add --transport http tldbench https://tldbench.com/mcp

[mcp_servers.tldbench]
url = "https://tldbench.com/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "tldbench": {
      "type": "remote",
      "url": "https://tldbench.com/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "tldbench": {
      "type": "http",
      "url": "https://tldbench.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=tldbench&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vdGxkYmVuY2guY29tL21jcCJ9"
}

{
  "servers": {
    "tldbench": {
      "type": "http",
      "url": "https://tldbench.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "tldbench": {
      "httpUrl": "https://tldbench.com/mcp"
    }
  }
}

extensions:
  "tldbench":
    enabled: true
    name: "tldbench"
    type: streamable_http
    uri: "https://tldbench.com/mcp"
    timeout: 300

Quality 89 / 100new

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations10 of 10 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 3,818 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool history recorded for 1 of the 7 days needed

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

10 tools, about 3,818 tokens to load them all · tool set 8338d0b62606 · tools last changed 2026-11-06 · checked 2026-11-07 19:10 UTC

Tool changes

2026-11-06get_tldchangedinput schema, output schema
2026-11-06list_couponschangeddescription, input schema, output schemameaning changed
before
Use this when the user asks for deals, promo codes or first-year discounts. Returns running promotional prices we saw at the source (with the regular price they revert to); coupon codes come later.
after · 35% of words in common
Use this when the user asks for promo codes, coupons, deals or first-year discounts. Returns coupon codes as each registrar's own API or promotions page lists them (code, operation, extensions, discount, limits, end date, last seen at the source, an example price with the code), and running promotional prices anyone gets without a code. Codes are seen at the source, not tested at checkout; quote the list price and renewal too.
2026-11-06price_historychangedoutput schema
2026-11-06get_registrarchangedoutput schema
2026-11-06suggest_nameschangedinput schema, output schema
2026-11-06search_name_across_tldschangedinput schema, output schema
2026-11-06check_availabilitychangedinput schema, output schema
2026-11-06total_cost_of_ownershipchangedinput schema, output schema
2026-11-06cheapest_registrarchangedinput schema, output schema
2026-11-06compare_tld_priceschangedinput schema, output schema

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository

provenance55

liveness100

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-2d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://tldbench.com/mcp` streamable-http	none	yes	100%	208 ms	2025-11-25	2026-11-07

Tools (10)

`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.
`check_availability`read-only	Use this when the user asks whether specific domain names are free. Checks the registry (RDAP, WHOIS for some ccTLDs) after a DNS pre-check, with an honest unknown, and adds the cheapest registrar's price to own each free name. Up to 50 names in one call.
`compare_tld_prices`read-only	Use this when the user asks what an extension costs or where it is cheapest. Returns every registrar's register, renew, transfer and restore prices for one TLD, ranked by the N-year cost of ownership (default 3 years), with each price's source and date.
`get_registrar`read-only	Use this when the user asks about a registrar: its country, group, size (gTLD domains under management), how many extensions it sells, and how fresh our prices for it are. Accepts our id, its name or an IANA id.
`get_tld`read-only	Use this when the user asks what an extension is, who runs it, or whether it fits: type (generic or country code), registry, brand TLD or not, DNSSEC, RDAP and WHOIS servers, minimum term, second levels, registry fees, and its price summary.
`list_coupons`read-only	Use this when the user asks for promo codes, coupons, deals or first-year discounts. Returns coupon codes as each registrar's own API or promotions page lists them (code, operation, extensions, discount, limits, end date, last seen at the source, an example price with the code), and running promotional prices anyone gets without a code. Codes are seen at the source, not tested at checkout; quote the list price and renewal too.
`price_history`read-only	Use this when the user asks how an extension's prices have moved or whether a rise is coming. Returns each registrar's price periods (changes only) and the registry's announced wholesale changes.
`search_name_across_tlds`read-only	Use this when the user has a name and wants to know which extensions are free and what each costs to own. Checks one label across up to 50 extensions (or a preset: popular, tech, cheap, country:<cc>) and sorts the free ones by total cost.
`suggest_names`read-only	Use this when the user needs name ideas. Pass `candidates` from your own brainstorm and we check and price them; with only `keywords` we add simple prefixes, suffixes, TLD hacks and combinations. Returns only names that are available or unknown, cheapest first.
`total_cost_of_ownership`read-only	Use this when the user compares the long-run cost of several names or extensions, at one registrar or the cheapest. Applies minimum terms and regular renewals; with transfer_after_year it also finds the cheapest registrar to move to later. Up to 20 domains or extensions in one call.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "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."
}