Locate the mod you wish to add on the Steam Workshop.
Click the share button & grab the ID at the end.
Open the Kinetic Panel.
Stop the server.
Paste the mod's ID into the ID field. Each mod should be separated by a,
Start the server. It will automatically download & add the mod.
Dont starve together guide
How to add Mods to your DST Server
This guide will cover how to add mods to your DST Server