💓
AB-162

Heartbeat.md availability

⚡ Actionability Pillar: Understandability Quick fix Severity: low Est. cost: $0 Gap: semantic Fix: assisted

What it means

Your site serves /heartbeat.md with YAML frontmatter, providing a periodic check-in routine for AI agents.

Why it matters

AI agents can periodically check your service health and status via a machine-readable heartbeat endpoint, enabling self-healing workflows.

✗

What's wrong

GET /heartbeat.md → 404

✓

What's right

--- status: operational last_check: 2026-09-07 --- # Heartbeat Service is operational.

Check this rule on your site

Enter your URL to check just this one rule (AB-001).

Related rules in Actionability

🔄 Guide and API Consistency
🔑 Authentication Declared
🧩 Capability Coverage
🤝 A2A Agent Card Published
✅ A2A Agent Card Verified
← Back to all rules

Machine-Readable

This rule is also available as JSON: /rules/AB-162.json

Explore More

  • All Rules

    Browse the complete rules catalog

  • Agent Guide

    Learn how to fix this rule

  • Blog

    Related articles on agent readiness