Claude Usage Badge

Toolbar badge for Claude usage: session, weekly (all/Sonnet/Design), routine runs, extra usage, and plan tier.

See your Claude usage at a glance — right in the toolbar. Claude Usage Badge adds a small badge to your browser toolbar showing your current session usage percentage. Click it for the full breakdown: Session & weekly limits • Session (5-hour) bar with reset countdown • Weekly (7-day) bar across all models • Separate bars for Weekly Sonnet, Weekly Opus, and Weekly Claude Design • Scheduled (Cowork) and OAuth apps buckets, shown as inactive until used • Auto-discovers any new bucket Claude adds to the API — no extension update required Extra usage • ON/OFF and IN USE indicators • Monthly spend vs. limit with progress bar • Remaining prepaid balance • Reset date Subscription tier • Accurate plan pill: Free, Pro, Team, Enterprise, Max 5×, Max 20× Error handling • If your Claude session has expired or you aren't signed in, the popup guides you to claude.ai/settings/usage and back with a one-click Refresh How it works The extension reads Claude's own usage API (the same data Claude's frontend uses) to show your real utilization numbers. A lightweight content script detects when you send messages and triggers a refresh. Usage also refreshes automatically every 3 minutes. No data leaves your browser. No third-party servers. No analytics. No tracking. Permissions explained • Storage: persists your usage state between browser restarts • Cookies: reads your Claude org ID to call the usage API • Alarms: periodic background refresh every 3 minutes • Host permission (claude.ai): required to read usage data from Claude's API Open source. Minimal. Private.