AddstarMC Official

AddstarMC Official

The AddstarMC Official Vanilla+ Modpack! Crafted for an enhanced yet authentic Minecraft experience, this modpack is optimised for peak performance while maintaining the core vanilla gameplay you love.

by AddstarMC
464 Downloads
0 Followers
fabricMC 1.21.11lightweightoptimization

About this Modpack

AddstarMC Official Vanilla+ Modpack

Welcome to the AddstarMC Official Vanilla+ Modpack!

Crafted for an enhanced yet authentic Minecraft experience, this modpack is optimised for peak performance while maintaining the core vanilla gameplay you love. It includes a carefully selected array of mods that are fully compatible (and allowed) with our server, ensuring a smooth and immersive adventure. Dive in and discover a richer world with improved features, all while enjoying the stability and community standards of AddstarMC. Happy crafting!

This modpack was created to simplify the process for players who seek better performance but may not know how to add mods or which ones are allowed on our server. By providing a curated selection of performance-enhancing mods, we aim to ensure that every player can enjoy a smoother and more optimized Minecraft experience without the hassle of navigating compatibility issues or server restrictions.


Modpack Info:

  • Java 21 Required
  • Recommended Memory: 4GB RAM
  • Minecraft 1.21.11
  • Fabric Loader 0.18.3

Some of the included Mods:

Available Versions

AddstarMC Official 1.21.11brelease
MC 1.21.11fabric25 downloads
March 22, 2026
AddstarMC Official 1.21.11arelease
MC 1.21.11fabric48 downloads
December 21, 2025
AddstarMC Official 1.21.10arelease
MC 1.21.10fabric52 downloads
November 2, 2025
AddstarMC Official 1.21.8arelease
MC 1.21.8fabric67 downloads
July 19, 2025
AddstarMC Official 1.21.7arelease
MC 1.21.7fabric64 downloads
July 1, 2025

How to Set Up a AddstarMC Official Server

1

Order Server

Choose at least 4 GB RAM (6 GB recommended for AddstarMC Official). Based on player count: per 8 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "AddstarMC Official" and click "Install". The fabric loader and Minecraft 1.21.11 are configured automatically.

3

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

AddstarMC Official 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 6 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 AddstarMC Official server really need?

Minimum 4 GB, recommended 6 GB for stable performance. per 8 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 €8/month).

Can I add custom mods to AddstarMC Official without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.11). 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.

AddstarMC Official server lagging – performance tips

1) Increase RAM to 6 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.

Rent AddstarMC Official Server

Start your own server with automatic modpack installation.

Recommended RAM:
6 GB(min. 4 GB)
From 8.00 / month
Create Server Now
1-Click Modpack Install
NVMe SSD Storage
DDoS Protection included
Automatic Backups

Details

License
MIT License
Server-side
Unsupported
Client-side
Required

Supported Versions

1.21.111.21.101.21.81.21.71.21.51.21.41.21

Start your AddstarMC Official Server now

From €8.00/month with 6 GB RAM for the best performance.

Configure Server →