Go to the corresponding kemono.su page from an artist's page. Supports Patreon, Pixiv, Fanbox and Fantia
It seems to work fine in my environment. Please send me the URL where the script did not work so I can investigate.
Just to confirm, it is not working for me either. I am using it via tapermonkey.
this is not working anymore when I activate it on artist's patreon page , it says "try again in patreon user page of this person"