Ho-o-oly-y-y-y Jesus. Looks like my home is about to get covered in white circular stickers. And this feature has been in for a while now!
#homeassistant #nfc
https://www.home-assistant.io/integrations/tag/

I especially like the fact that unlike writing down a webhook URL into an NFC tag, this way every scan is authenticated, one has to be logged in with HA for the scan to have an effect. The options!