Check a site's TLS certificate and its domain registration expiry. Read-only, no sign-in.
Connect Remote server
claude mcp add --transport http expiry-watch https://boringutils.com/api/mcp
{
"mcpServers": {
"expiry-watch": {
"url": "https://boringutils.com/api/mcp"
}
}
}
{
"servers": {
"expiry-watch": {
"type": "http",
"url": "https://boringutils.com/api/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://boringutils.com/api/mcp
Tools 2 found in our last check
check_certificateConnects 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 cert…
check_domain_expiryLooks 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 become…
Details
| Endpoint | https://boringutils.com/api/mcp (Streamable HTTP) |
| First published | 21 Oct 2026 |
| Last updated | 21 Oct 2026 |
| Registry name | io.github.hal-boring-utils/expiry-watch |
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