shortfree runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 6 Nov 2026.
Live domain availability checks plus every free 1-4 character .com .net .de .ai .io .dev .app .tools
What the code does
We read the source, 22 h ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
if err := writeCompact(filepath.Join(v1, tld, fmt.Sprintf("%d.json", n)), APIList{avail.Updated, tld, n, ageLimit, oldestCheck(st, tld, l.Available), l}); err != nil {
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Alternatives to shortfree
same job, measured the same wayBulk domain checking for AI chats: availability, aftermarket prices, archive.org history, buy links
Domain availability and pricing, transfer prechecks, US/EU/IL trademark register checks.
MCP server that checks domain availability in real-time during brand naming
MCP server for Namecheap — check availability, list domains, and get pricing
Check domain availability and live registry pricing, or search for available names.
Domain availability and prices from 40+ registrars, name checks, DNS setup, and a domain broker
Free cold email deliverability checks, list tools, inbox planning and original placement research.
Why do a domain's emails go to spam? Checks SPF, DKIM, DMARC, MX and blocklists. Free, no login.
shortfree — questions
Answers built from our own checks of this server.