System Vigil
VerifiedMonitor host system health (Disk, RAM, CPU). Returns structured JSON status for predictive maintenance.
$ Add to .claude/skills/ About This Skill
# System Vigil
A health monitor for the host machine. It checks vital signs and returns a structured report, allowing agents to detect resource exhaustion before it causes a crash.
Capabilities
- Check Health: Get a JSON report of Disk, Memory, and CPU usage.
- Predictive Status: Returns specific flags (`warning`, `critical`) based on thresholds.
Usage
User: "Run a system health check." Agent: `python3 skills/system-vigil/check.py` Output: ```json { "status": "ok", "disk": { "used_percent": 45, "free_gb": 120 }, "memory": { "used_percent": 30, "free_gb": 12 }, "cpu": { "load_15m": 0.5 } } ```
Implementation
A Python script parsing standard Linux utils (`df`, `free`, `uptime`).
Use Cases
- Monitor disk, RAM, and CPU health and return structured JSON status reports
- Detect early signs of resource exhaustion for predictive maintenance
- Integrate system health checks into automated monitoring workflows
- Generate machine-readable health snapshots for logging and alerting systems
- Verify host system stability before deploying new services or workloads
Pros & Cons
Pros
- +Structured JSON output makes it easy to parse and integrate with alerting tools
- +Predictive maintenance focus — designed to catch issues before they become critical
- +Lightweight and focused on the three most important host metrics
Cons
- -Limited to disk, RAM, and CPU — no network, GPU, or service-level monitoring
- -No configurable thresholds or alert mechanisms built in
FAQ
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