AgentDomains

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "agentdomains": {
      "type": "http",
      "url": "https://mcp.agentdomains.co"
    }
  }
}

19 tools

• check_availability

  Check whether a subdomain label is free before claiming it. Requires no API key. Returns { label, domain, fqdn, available, reason } where reason is 'available', 'taken', or 'invalid' (with a 'detail' explaining why the label is not usable).

• signup

  Create a new AgentDomains account and get an API key. Requires no existing key. IMPORTANT: the returned api_key is shown ONCE and is never retrievable again — you must store it immediately (save it to ~/.agentdomains/config.json or set AGENTDOMAINS_API_KEY) or the account is…

• whoami

  Show the current account: id, state, attached email and whether it is verified, domains used, and which domains are available to claim under. When quotas are disabled the response omits 'quota' and says unlimited:true; 'max_subdomains' is the separate hard cap on how many names…

• attach_email

  Attach an email address to the account and send it a verification link. A human must click that link within 30 days or the provisional account and its domains are deleted. Use this right after signup.

• claim_domain

  Register a subdomain (label.makes.fyi or label.agentdomains.co) on this account, optionally creating its first DNS record in the same call. An email is required the first time an account registers a name — pass 'email' here or call attach_email first; the name is reaped if that…

• list_domains

  List every subdomain on this account, with each one's DNS records and whether it is forwarding, proxying, or delegated to external nameservers.

• get_domain

  Show one subdomain in full: its fqdn, DNS records, forward or proxy configuration, and delegation state.

• delete_domain

  DESTRUCTIVE AND IRREVERSIBLE: permanently delete a subdomain and every DNS record, forward, and proxy attached to it. The hostname stops resolving immediately and the label is released for anyone else to claim. There is no undo and no recovery. Only call this when the user has…

• add_dns_record

  Add a DNS record to a subdomain you already own. Use type A or AAAA to point at an IP address, CNAME to point at another hostname, or TXT for verification strings. Adding a record does not replace existing ones; use delete_record to remove a single one. Refused with a 409 while…

• delete_record

  DESTRUCTIVE: permanently remove ONE DNS record from a subdomain, keeping the name and every other record. Use this to undo a single record — a wrong IP, a spent ACME challenge — instead of delete_domain, which takes the whole name. The record_id is the 'id' field shown by…

• add_acme_challenge

  Publish a Let's Encrypt DNS-01 challenge: creates a TXT record at _acme-challenge.<label>.<domain> with the token your ACME client printed. Use this to get a certificate without exposing port 80 (for example for a wildcard cert, or a host behind NAT). DNS propagates within…

• set_forward

  Forward (HTTP-redirect) a subdomain to another URL. Claims the label first if you do not own it yet, in which case an email may be required exactly as for claim_domain. Defaults to a 302 temporary redirect that preserves the request path and query. HTTPS at the edge is handled…

• remove_forward

  Stop forwarding a subdomain. The name itself stays registered on the account; only the redirect is removed.

• set_proxy

  Serve a backend at this subdomain through the AgentDomains edge, which terminates TLS with its own certificate — this is how you get working HTTPS on an origin that has no certificate of its own (a bare IP-less PaaS host, a tunnel, an internal box). Unlike a forward, the URL…

• remove_proxy

  Stop reverse-proxying a subdomain, so the edge no longer serves the backend or terminates TLS for it. The name stays registered on the account.

• delegate_nameservers

  Delegate the subdomain to your own nameservers, handing you full control of it and everything beneath it (your own records, MX, deeper sub-domains). AgentDomains stops answering for the name, so its existing records, forwards, and proxies no longer apply. Supply at least two…

• delete_account

  DESTRUCTIVE AND IRREVERSIBLE, AND THE LARGEST ONE HERE: delete the whole AgentDomains account and invalidate its API key, which cannot be recovered or reissued — every later tool call fails with a 401 until a new signup. Without force it REFUSES while the account still holds…

• upgrade_to_pro

  Get a Stripe checkout link for AgentDomains Pro: 100 names instead of the free 10, names never released for being unreachable, and priority email support, for $5/month (or $48/year with interval 'year'). Use this when a claim is refused because the account is at its name limit…

• manage_billing

  Get a Stripe billing-portal link for a Pro account: update the card, see invoices, switch between monthly and yearly, or cancel. A human must open it. Cancelling keeps Pro to the end of the paid period and never deletes a name. Answers 409 if the account has never subscribed…

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