System health beacon for macOS menu bar. Shows a colored status indicator based on system health with a dropdown displaying CPU, memory, disk, network, battery, and uptime metrics.
- Green — All systems normal
- Yellow — One metric elevated (CPU >70%, Memory >80%, Disk >90%)
- Red — Critical (CPU >90%, Memory >95%, or network down)
swift build
swift run Beacon
| Metric | Source |
|---|---|
| CPU | Mach host_processor_info |
| Memory | Mach host_statistics64 |
| Disk | FileManager attributes |
| Network | ping 8.8.8.8 |
| Battery | pmset -g batt |
| Uptime | ProcessInfo.systemUptime |
Polls every 3 seconds.