How to Add Mod.io Mods to Your Space Engineers Server

Mod.io mods are the cross-platform alternative to Steam Workshop mods and are required for crossplay servers. This guide shows you how to add them manually.

Before you start: Mod.io mods require crossplay to be enabled on your server before they will work.

Steps

Get the mod Resource ID

1. Stop your server.
2. Open spaceengineers.mod.io in a browser and find the mod you want to install.
3. Note the Resource ID shown on the mod's page. For example, a mod might have Resource ID 451208.
   

Open Sandbox_config.sbc

4. In the Game Control Panel, click Configuration Files and open Sandbox_config.sbc for your save using Text Editor.

Add the mod entry

5. Find the <Mods /> section in the file.
6. Replace <Mods /> with a full <Mods> block. For a single mod, use:

   <Mods>
     <ModItem FriendlyName="Assault Weapons Pack">
       <Name>451208.sbm</Name>
       <PublishedFileId>451208</PublishedFileId>
       <PublishedServiceName>mod.io</PublishedServiceName>
     </ModItem>
   </Mods>
   

   
   For multiple mods, add a <ModItem> block for each one:

   <Mods>
     <ModItem FriendlyName="Assault Weapons Pack">
       <Name>451208.sbm</Name>
       <PublishedFileId>451208</PublishedFileId>
       <PublishedServiceName>mod.io</PublishedServiceName>
     </ModItem>
     <ModItem FriendlyName="Astion Miner">
       <Name>1813919.sbm</Name>
       <PublishedFileId>1813919</PublishedFileId>
       <PublishedServiceName>mod.io</PublishedServiceName>
     </ModItem>
   </Mods>
   

7. Replace the FriendlyName, Name, and PublishedFileId values with the correct values for each mod you are adding.
8. Click Save & Exit.
9. Start your server. Mods will download during startup and you can monitor progress in the Web Console.

Note: Some mods require a new save to be generated before they take effect. If a mod is not working after adding it, check whether the mod's page notes that a fresh save is required.