I recently became moderator on a modded server and noticed that they have Sponge API 6.0.0, Sponge API 7.0.0 and Sponge API 8.0.0 lying around in their mods folder. They say it is needed to run plugins that require the specific version. I am relatively sure that the API’s actually do nothing in the mods folder and that sponge forge supplies everything needed. Just wanted an answer from someone who actually knows.
Thanks for the help