Last updated: May 2025
The Claude Usage Widget is a Chrome extension that displays your Claude.ai message usage as a percentage in a small widget on the page.
The extension makes requests to two Claude.ai API endpoints while you are logged in:
/api/organizations — to retrieve your organisation ID/api/organizations/{id}/usage — to retrieve your current usage percentage and reset timeThese requests are made directly from your browser to Claude.ai using your existing session cookies. No credentials or tokens are read by the extension.
The extension stores your usage percentage and reset time locally on your device using Chrome's built-in chrome.storage.local API. This data never leaves your device.
The extension requests the following permissions:
If this policy changes, the updated version will be published at this URL with a revised date.
If you have any questions, open an issue on the GitHub repository.