InfinityRaider

Wrong trhead for that, but yes, that is supported: https://github.com/AgriCraft/AgriCraft/issues/1292

A PR has been submitted to Immersive Engineering to enable compatibility: https://github.com/BluSunrize/ImmersiveEngineering/pull/4814

Aha good suggestion.

A PR has been submitted to Botania to allow compat: https://github.com/Vazkii/Botania/pull/3735

It's done

This is a good place yes, link to the mod?

It seems Mystical Agriculture support is a prerequisite for this, therefore so far, nothing yet.

Alternatively you could just ship the jsons in your own jar under /jsons/mod_

It would be just a single json file, so yes.

Here it is: https://github.com/AgriCraft/AgriPlants/tree/1.12.2