certificate-checker

name	certificate-checker
description	Check SSL/TLS certificate expiry and details for domains
activation_keywords	["certificate","ssl","tls","cert","expiry","expire","https"]
execution_mode	client

Certificate Checker Skill

Provides SSL/TLS certificate inspection:

• Check certificate expiry date
• View certificate issuer and subject
• List certificate chain
• Check certificate validity

Use builtin_cert_checker tool with fields:

• domain: target domain to check (required)
• port: (optional) port number (default: 443)

Note: Requires network access to the target domain.