Here’s an example of how you can run a shortcut in response to tapping a notification from brrr using Shortcuts’ URL scheme and brrr’s `open_url` parameter.

This might provide for some fun automation use cases for people who are more creative than I am 😀

This use case is now documented in brrr's learning material. It includes example shortcuts to get started easily: https://brrr.now/learn/shortcuts/
Integrate brrr with Shortcuts

Use Apple Shortcuts to send brrr push notifications with the Get contents of URL action.

brrr
There's more interest in sending notifications using GET requests than I had anticipated, so now brrr supports that in addition to POST requests: https://brrr.now/docs/#send-a-simple-push-notification
brrr docs

Your webhooks can be found inside the app.

brrr
@simonbs is it out now?