Is there any way we could get a list of all the proper coding tags to insert in homebrew creations somewhere? Like the dice rolling tags, linking the both official and homebrew monsters, linking spells, and etc etc.

There is a forum post here that details how to use snippets. Snippets can only link to official content because homebrew content is too volatile to generate reliable snippets for

Threads are stickied in the homebrew forum: https://www.dndbeyond.com/forums/dungeons-dragons-discussion/homebrew-house-rules

Or look at the second line of my signature