Beacon

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.

Status Levels

• Green — All systems normal
• Yellow — One metric elevated (CPU >70%, Memory >80%, Disk >90%)
• Red — Critical (CPU >90%, Memory >95%, or network down)

Build

swift build

Run

swift run Beacon

Metrics

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.