Missouri
Review any web page in your browser.
Drop pins, attach notes to elements, highlight text, or sketch freehand. Annotations stay local in the browser and persist across reloads.
What Missouri does
- Pin comments anywhere on a page
- Attach notes to specific elements
- Highlight text for copy review
- Draw directly over the page
- Expose a page-level API for Playwright-based coding agents
Install
Build the extension or download a release, then load the unpacked folder in Chrome or Chromium via chrome://extensions.
cd extension
npm install
npm run build
Privacy
Missouri stores annotations, page identifiers, and extension settings in chrome.storage.local. It does not send annotation data to a remote backend as part of normal operation.