name: ssl-checker description: "Error: --domain required. Use when you need ssl checker capabilities. Triggers on: ssl checker, domain, port, warn-days, format, output."

ssl-checker

SSL/TLS certificate inspection tool that checks certificate expiry dates, issuer details, subject information, certificate chain validation, protocol support, and cipher suites. Provides days-until-expiry alerts with configurable thresholds for proactive certificate management. Uses openssl s_client and Python3 — no external dependencies. Perfect for DevOps monitoring, security audits, and certificate lifecycle management.

Commands

Options

• --port <port> — Port to connect to (default: 443)
• --format table|json|csv|text — Output format (default: table)
• --output <file> — Save output to file
• --warn-days <days> — Expiry warning threshold (default: 30)
• --crit-days <days> — Expiry critical threshold (default: 7)
• --timeout <seconds> — Connection timeout (default: 10)
• --sni <hostname> — SNI hostname override
• --verbose — Show full certificate details
• --quiet — Only output warnings/errors

Examples

# Full SSL check
bash scripts/main.sh check example.com

# Check expiry with custom thresholds
bash scripts/main.sh expiry example.com --warn-days 60 --crit-days 14

# Show certificate chain
bash scripts/main.sh chain example.com --format json

# Monitor multiple domains
bash scripts/main.sh monitor domains.txt --format json --output ssl-report.json

# Check non-standard port
bash scripts/main.sh check mail.example.com --port 993

# Verify chain trust
bash scripts/main.sh verify example.com --verbose

Exit Codes

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