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.
Scanned 9/5/2026
Install to Claude Code
Skills Directorynpx -y skills add dvcrn/openclaw-skills-marketplace --skill certcheck --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: CertCheck
description: "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."
---
# 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
```bash
certcheck check google.com
certcheck expiry github.com
certcheck chain example.com
```
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