Sitey — free subdomains
Claim a working subdomain in one call — A, CNAME and TXT records. No domain to buy, no account.
Connect it
Settings → Connectors → Add custom connector
URL: https://sitey.my/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://sitey.my/mcp{
"mcpServers": {
"subdomains": {
"url": "https://sitey.my/mcp"
}
}
}claude mcp add --transport http subdomains https://sitey.my/mcp{
"servers": {
"subdomains": {
"type": "http",
"url": "https://sitey.my/mcp"
}
}
}10 tools, verified live
list_domainsList available root domains (e.g. sitey.my, sitey.one) that you can create subdomains under. Call this first to know which domains are available.
check_availabilityCheck if a specific subdomain name is available for registration under a given domain. Returns true if the name is free to claim.
create_subdomainCreate a new DNS record for a subdomain. Supports A records (IP address), CNAME records (hostname) and REDIRECT records (an https:// URL â visitors to the name are sent there with a 301). Example: create demo.sitey.my pointing to 1.2.3.4. No account, API key or signup is needed. The target does not have to be serving yet: claim the name first and deploy to it second if that is your order. The re
list_subdomainsList all subdomains you own. Returns subdomain name, domain, record type, value, and creation date. A REDIRECT record also carries hits: how many visits it has answered in total, how many this calendar month, and when the last one was. Filtered by your API key, or by the owner_token you pass, or â for records made before tokens existed â by your IP address.
renew_subdomainExtend a subdomain you own before it expires. Subdomains are lent for a period, not given: agent-created records last one month and user records three. Nothing emails an agent, so read expires_at from list_subdomains and call this before that date. One call resets the clock from today. Renewal only opens in the last two weeks before expires_at â an earlier call is refused and tells you the date
extend_subdomainPaying for a year is switched off on this server, so this always answers PAYMENT_DISABLED. Use renew_subdomain, which is free and adds a month.
update_subdomainUpdate the DNS record value of a subdomain you own. For example, change the IP address that demo.sitey.my points to. The new target does not have to be serving yet; the result carries reachable:false when nothing answered, and the record is moved either way.
delete_subdomainPermanently delete a subdomain DNS record you own. The subdomain will stop resolving immediately.
create_txt_recordCreate or update a TXT record for domain verification. Used for services like Vercel (_vercel) and Netlify that require DNS-based ownership proof. The record is placed at the root domain under the prefix you give (e.g. _vercel.sitey.my), alongside the other owners' values â that is the name Vercel reads for a subdomain of sitey.my. Needs an account: send an API key from the dashboard (Authorizat
delete_txt_recordDelete a TXT verification record from a subdomain you own.
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