Boring Utils Expiry Watch

io.github.hal-boring-utils/expiry-watchVersion 1.0.0

Check a site's TLS certificate and its domain registration expiry. Read-only, no sign-in.

Status

Responds192 msNov 14, 2026, 14:52 UTCAnswered our handshake without sign-in.

Registry data may be out of date

We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:52 UTC
Latency: 192 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://boringutils.com/api/mcpResponds192 msNov 14, 2026, 14:52 UTC

No sign-in

Claude Code

claude mcp add --transport http expiry-watch https://boringutils.com/api/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: expiry-watch
Remote MCP server URL: https://boringutils.com/api/mcp

Cursor

{
  "mcpServers": {
    "expiry-watch": {
      "url": "https://boringutils.com/api/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"expiry-watch","type":"http","url":"https://boringutils.com/api/mcp"}'

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Tools

2 tools

Tools of Boring Utils Expiry Watch
	Description		Read-only	Idempotent	Open world
`check_certificate`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).	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).	No	Yes	Yes	Yes
`check_domain_expiry`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).	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).	No	Yes	Yes	Yes

Details

Registry status: Active
Published: Oct 21, 2026
Updated: Oct 21, 2026
Website: https://boringutils.com/expiry-watch⁠ (opens in a new tab)
Repository: Not given
Categories: Uncategorized
GDPR: Not declared

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