Claude doesn't warn you before it stops. It just stops. CapMeter puts a live usage ring in your menu bar and turns your burn rate into a countdown: "limit in ~1h 18m." You wrap up before the wall, not after. → Alerts to macOS, Slack, Discord or any webhook → Session, weekly and per-model limits, counting down → Floating widget with your $/hr credit burn → 90-day history, CSV export → No API key, no account, no server, no analytics 14 days free, then $14.99 once. Not affiliated with Anthropic.