Lemmy doesn't support notifications of all new posts for a certain community, so I [1] wrote a little script to send me a ntfy notification for each new post in the ntfy community. Here it is:

https://gist.github.com/binwiederhier/70f13b7c7338a2b75e15438b5567a6d6

[1] When I say "I", I really mean 99% ChatGPT. But hey, I made it prettier and refined it a little at least: https://chat.openai.com/share/7703dbe5-6801-4d5b-8d56-c3f18ca3ac4a