CertCheck

SSL/TLS certificate checker and analyzer. Inspect SSL certificates for any domain, check expiration dates, verify certificate chain, detect security issues, and monitor certificate validity. Get alerted before your SSL certificates expire.

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Install skill "CertCheck" with this command: npx skills add bytesagain1/certcheck

CertCheck

Check SSL certificates. Catch expiring certs before they break your site.

Commands

  • check <domain> — Full certificate inspection
  • expiry <domain> — Days until expiration
  • chain <domain> — Show certificate chain
  • batch <file> — Check multiple domains from file

Usage Examples

certcheck check google.com
certcheck expiry github.com
certcheck chain example.com

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  • Run certcheck help for all commands

When to Use

  • to automate certcheck tasks in your workflow
  • for batch processing certcheck operations

Output

Returns results to stdout. Redirect to a file with certcheck run > output.txt.

Configuration

Set CERTCHECK_DIR environment variable to change the data directory. Default: ~/.local/share/certcheck/

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Open Registry RecordOpen in ClawHub

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