shorter.cf is a simple URL shortener made by the same developer as TomatenKuchen.
Following URL redirects
shorter follow <URL> follows redirects of the given URL and lists them.
Statistics of the domain
Using the command
shorter stats you can view statistics of the shorter.cf domain, e.g. the amount of views and the most used browsers.
These statistics are collected anonmously by Cloudflare, shorter.cf itself doesn't collect any data.
Create a short URL
shorter create <URL> [<Name>] creates a short URL with the given name.
If you don't enter a name, it'll generate a few random characters.
If created successfully, the bot responds with the URL, like https://shorter.cf/bundbot, and a QR code for easier sharing.