Claude Sidebar Monitor

by chabardestheo@gmail.com · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Monitor your Claude AI usage limits at a glance with a sidebar widget. See session and weekly limits instantly.

Users

154

+27 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#71K

#60K among extensions

Version

1.0.0

updated 18 Mar 2026

Users

monthly, 7 months

Latest, 16 Oct 2026: 154 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months

Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Claude Sidebar Monitor

Monitor your Claude AI usage limits at a glance — directly in the sidebar. Claude Sidebar Monitor adds a lightweight widget to the claude.ai sidebar that shows your session (5-hour) and weekly (7-day) usage limits in real time. No clicks needed. No page to visit. Just glance at the sidebar. FEATURES - Sidebar widget — See usage without leaving your conversation - Collapsed mode — Color-coded square with percentage number - Expanded mode — Progress bars, percentages, and reset countdowns - Popup — Click the icon for plan info and specific model limits - Dynamic icon — Usage percentage displayed on the extension icon - Dark & light theme — Adapts automatically to your Claude theme - Arc Browser — Opens usage page in a Little Arc window - Health alerts — In-page banner if the extension stops working - Privacy first — All data stays on your device HOW IT WORKS The extension reads your usage from Claude's internal API (the same data shown on /settings/usage). It refreshes every 2 minutes, only when a Claude tab is open. TESTED ON Max plan (5x/20x) — fully tested. Pro should work. Team/Enterprise/Free — feedback welcome. PRIVACY - No data transmitted externally - No analytics or tracking - No third-party services - Open source: github.com/theochab/claude-sidebar-monitor Built by theo_cs using Claude Opus 4.6.