{"server":"Expiry Watch","checked":"2026-11-03","tools":[{"name":"check_certificate","title":"Check a TLS certificate","description":"Connects to a domain on port 443 and reports its TLS certificate: whether it is trusted and matches the name, the issuer, the expiry date and days left, the lifetime, the chain and the TLS version, what each of its server addresses serves (up to 4 IPv4 and 4 IPv6), and, for certificates from Let’s Encrypt, Google Trust Services, ZeroSSL or Sectigo, the renewal window the CA suggests (ACME Renewal Information).","inputSchema":{"type":"object","properties":{"domain":{"type":"string","description":"A public domain name, like example.com. A URL also works: only its host name is used.","maxLength":2048}},"required":["domain"],"additionalProperties":false},"annotations":{"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"check_domain_expiry","title":"Check a domain registration expiry","description":"Looks up a domain registration over RDAP at the registry for its TLD: when it expires, the registrar, the statuses (flagging a hold, redemption, pending delete or pending transfer) and the nameservers. Subdomains are looked up by their registered domain (www.example.co.uk becomes example.co.uk).","inputSchema":{"type":"object","properties":{"domain":{"type":"string","description":"A public domain name, like example.com. A URL also works: only its host name is used.","maxLength":2048}},"required":["domain"],"additionalProperties":false},"annotations":{"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}}]}