
SMPCaves Clientside Modpack
• our allowed mods • nice to have QoL Mods • Performance enhancing Mods • Modpack is used by the Community of the SMPCaves.de Minecraft Server •
Screenshots

About this Modpack
SMPCaves Clientside Modpack
contains:
- allowed mods
- QoL Mods
- Performance Mods
More Details about SMPCaves:
Server Version: 1.21.10
Server IP: SMPCaves.de
✓ no Mods (optional Clientside Modpack)
✓ Custom Texturepack
✓ Additional Enchantments
✓ Advanced Structures (Ancient Cities, Bastions)
✓ Enhanced Biomes
✓ Open worlds: Overworld, (Nether & End will be opened at some point later)
✓ Discord
✓ small and friendly community
✓ Events (Minigames, Build Projects, etc.)
Installation Guide:
Modrinth setup
(If you already used Modrith you can skip the following steps)
Download the Modrinth App and install it
Sign in with your Microsoft-Account you use for playing Minecraft
In the Modrinth App, go to Settings->Java Settings and click on
install recommendedfor both java locations
Modpack setup:
- Download the newest version
- In the Modrinth App click on
Create Profileand then onFrom File - Click on
Import from fileand upload your downloaded .mrpack file - Before starting, you might have to adjust your Java Memory at Libary->ModpackName->Options->Java for better performance
- Click Play :)
Update Guide:
(Do this if you are updating this Modpack to a newer version)
Automatic Modpack Update:
If you dont need to change any mods just leave the modpack locked and it will update automatically.
Manual Modpack Update:
If you want change mods and also update the modpack while keeping your old keybinds, worldmap, settings etc. do the following:
- Do all steps from the Modpack setup above
- for keybinds and vanilla options copy the
<YourOldModProfileFolder>\options.txtto<YourNewModProfileFolder> - for worldmap and waypoints copy the
<YourOldModProfileFolder>\xaerofolder,<YourOldModProfileFolder>\XaeroWorldmapfolder,<YourOldModProfileFolder>\XaeroWaypointsfolder to<YourNewModProfileFolder>and the<YourOldModProfileFolder>\config\xaerominimap.txtfile,<YourOldModProfileFolder>\config\xaeroworldmap.txtfile,<YourOldModProfileFolder>\config\xaeroworldmap-common.txtfile to the<YourNewModProfileFolder>\configfolder - for all other mod settings copy
<YourNewModProfileFolder>\configfolder to<YourNewModProfileFolder>folder - for saved servers copy
<YourOldModProfileFolder>\servers.datfile to ``` - for world saves copy
<YourOldModProfileFolder>\savesfolder to<YourNewModProfileFolder>
Important News:
- Some Mods aren't updated to
1.21.10yet. You might have to enable them at some point later.
Note:
- deactivated mods are not updated to
1.21.10yet - You might have to adjust your keybinds
Old Season 3 Trailer:
Currently in Season 4 (opened October 2025)
Available Versions
How to Set Up a SMPCaves Clientside Modpack Server
Order Server
Choose at least 6 GB RAM (8 GB recommended for SMPCaves Clientside Modpack). Based on player count: per 5 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "SMPCaves Clientside Modpack" and click "Install". The fabric loader and Minecraft 1.21.10 are configured automatically.
Start Server & Play
Start the server – all mods are loaded automatically. Share the server IP with friends and play together!
Frequently Asked Questions
SMPCaves Clientside Modpack server crashes or won't start – what to do?
Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 8 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.
How much RAM does a SMPCaves Clientside Modpack server really need?
Minimum 6 GB, recommended 8 GB for stable performance. per 5 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €12/month).
Can I add custom mods to SMPCaves Clientside Modpack without conflicts?
Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.10). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.
SMPCaves Clientside Modpack server lagging – performance tips
1) Increase RAM to 8 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.
Similar Modpacks
Rent SMPCaves Clientside Modpack Server
Start your own server with automatic modpack installation.
Details
- License
- LicenseRef-All-Rights-Reserved
- Server-side
- Unsupported
- Client-side
- Required
Supported Versions
Start your SMPCaves Clientside Modpack Server now
From €12.00/month with 8 GB RAM for the best performance.
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