The first Claude usage tracker to monitor Claude Design and Opus weekly limits alongside your 5-hour session and 7-day weekly limits — plus paid extra credits — all in your browser toolbar. Stop opening claude.ai/settings/usage. A color-coded badge tells you at a glance whether you can keep working or need to pace yourself, with countdowns to every reset. No account, no API key, no data leaves your browser. Reads your existing Claude session the same way the official settings page does. Pick from six color themes — from the default warm dark to a clean light mode — and four popup layouts, from the original card view to ring gauges or a compact list, all switchable right in the popup. WHAT YOU SEE - Session usage (5-hour rolling window) with reset countdown - Weekly usage (all models combined — Fable, Opus, Sonnet, Haiku) with reset day/time - Fable has no separate weekly cap and draws down the shared weekly limit 2x faster than Opus — flagged right on the weekly card - Opus weekly usage (per-model weekly sub-limit, on paid plans) - Sonnet weekly usage (per-model weekly sub-limit, on paid plans) - Claude Design usage (most trackers ignore this) - Show or hide each optional card from the Display options menu (Metrics section, with Select all / Deselect all) - Six color themes — Clay (default), Slate, Violet, Midnight, Paper, Cool light — switchable in the popup - Four popup layouts — Classic (the original card view, and the default), Mixed (ring gauges on your session and weekly limits), Grid (a compact bento of rings), and List (dense rows) — chosen from the Design menu and remembered; works with any theme - Your Claude plan shown as a badge in the header (Max, Pro, Team, etc.) - Daily included routine runs as a used / limit count (on plans that include Claude Code routines) - Paid extra credits — spend vs. monthly limit with a live usage % shown even after you pass the limit, your remaining prepaid balance, and the reset date (when enabled on your plan) - Inline banner when your claude.ai session expires — last-known data stays visible - Toolbar badge: green under 50%, yellow 50 to 80%, red above 80% - Configurable auto-refresh: 1, 2, 5, 10, or 60 minutes WHO IS THIS FOR Claude Pro, Max, and Team users who hit limits and want to plan their work. Especially useful for Claude Code users on Max plans and teams using Claude Design. OPEN SOURCE - Full source code published on GitHub (MIT license): https://github.com/msadofschi/claudetrack - Verify exactly what the extension does — every line that runs in your browser is in the public repo, unminified. SECURITY - Minimal permissions: storage + alarms only — no access to your cookies, tabs, or other sites - Read-only: every request is a GET, so it can never change your account or spend your quota - No content scripts: it never runs inside a page, so your chats, projects and files stay untouchable - No remote code, no injection surface, and unreachable from any website - Open source and unminified — every line that runs in your browser is on GitHub PRIVACY - All data stored locally on your device - No analytics, no telemetry, no third parties - Cannot read your chats, projects, files, or any other Claude.ai content - Permissions are scoped to the absolute minimum: five specific API endpoints (organization list, usage stats, prepaid credit balance, monthly spend limit, and routine-run budget) - Specifically excluded: chat_conversations, projects, members, and every other endpoint PERMISSIONS USED AND WHY - Storage — persist usage data locally so the badge survives browser restarts - Alarms — schedule automatic refreshes at the configured interval - https://claude.ai/api/organizations — list your organizations to identify the active one - https://claude.ai/api/organizations//usage — read usage stats only - https://claude.ai/api/organizations//prepaid/credits — read your prepaid usage-credit balance only - https://claude.ai/api/organizations/*/overage_spend_limit — read your monthly usage-credit spend and limit only - https://claude.ai/v1/code/routines/run-budget — read your daily routine-run count only HOW IT WORKS 1. Install the extension and pin it to your toolbar 2. Log into claude.ai (you probably already are) 3. The badge starts showing your usage automatically 4. Click the icon any time for the full popup breakdown Claude Usage Monitor is an independent project and is not affiliated with Anthropic. Source code: https://github.com/msadofschi/claudetrack Learn more: https://claude-monitor.com/ Full privacy policy: https://claude-monitor.com/privacy

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