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Cert Checker

ASecurity

Check SSL/TLS certificate expiry and details for domains

  • 22 stars
  • 0 votes
  • 0 copies
  • 2 views
  • Added September 12, 2026
tools

Works with

  • cli

Security analysis

A100/100

Scanned September 12, 2026

npx -y skills add fisker086/AIOps --skill cert_checker --agent claude-code

Installs into .claude/skills of the current project.

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SKILL.md
---
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.

Attribution

fisker086View sourceSee grades on GitHubMore from fisker086

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