Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Domain prices for every TLD at the top registrars: renewals, N-year totals, history, availability.
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
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Works in Claude on the web, desktop and mobile:
https://tldbench.com/mcpRun this in your terminal
claude mcp add --transport http tldbench https://tldbench.com/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"tldbench": {
"url": "https://tldbench.com/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"tldbench": {
"type": "http",
"url": "https://tldbench.com/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
ChatGPT connects only to servers on the internet:
https://tldbench.com/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.
compare_tld_pricesUse 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.
cheapest_registrarUse 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 o
total_cost_of_ownershipUse 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 ca
check_availabilityUse 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.
search_name_across_tldsUse 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: ) and sorts the free ones by total cost.
suggest_namesUse 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.
get_registrarUse 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.
price_historyUse 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.
list_couponsUse 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.
get_tldUse 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.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026
The registry lists no source repo, so we cannot match the publisher (tldbench.com) to the code
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
Responded in 742 ms (HTTP 200)
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Read 10 tool descriptions and found no hidden instructions to the AI
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.0.0) reached the registry today.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spec Driven Development, Remote Desktop Commander, LickityClick
Servers in the same category from other makers, sorted by stars.
Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
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No README found in the repo