#CertificateChecker #GotSimplified

SSL/TLS Certificate inspector

MCP Server URL

New to MCP? Learn how to connect this server in our Setup Guide → (Cursor, Claude, OpenCode, Windsurf, Goose).

What you can do

Check a website's SSL/TLS certificate and how many days until it expires.

Parameters for this action

hostnamestringrequired
The domain or web address to check, e.g. example.com
portintegeroptionaldefault: 443
The port to connect to (usually 443)

Example prompts

>When does the SSL certificate for example.com expire?
>Is my shop's certificate about to expire?