TokenWatch is a macOS menu bar app that tracks your Claude.ai usage in real-time session percentage, burn rate ETA, and weekly model limits at a glance. Desktop widgets (Small, Medium, Large) with live usage gauge. Usage history with activity heatmap and daily peak charts. Model breakdown with donut chart. Claude Code analytics with token and cost tracking. Smart alerts with customizable thresholds. CSV export. Privacy-first: all data stays on your Mac.