# Notis > Select text on any page, or pin an image, and leave a note. One script, one small serverless function, no accounts. MIT licensed. - [Add Notis to a site (instructions for an agent)](https://notis.gavinwye.com/install.md) - [README and API](https://github.com/gavinwye/notis.gavinwye.com#readme) - [Update Notis in a site (instructions for an agent)](https://notis.gavinwye.com/update.md) - [The latest version, its address and hash](https://notis.gavinwye.com/version.json) - [The script](https://notis.gavinwye.com/comments.js) - Server files, one per host: [Netlify](https://notis.gavinwye.com/server/netlify.mjs), [Cloudflare Workers](https://notis.gavinwye.com/server/cloudflare.mjs), [Node](https://notis.gavinwye.com/server/node.mjs) - [Report a bug](https://github.com/gavinwye/notis.gavinwye.com/issues/new?template=bug_report.yml)