Intended only for Fabric 1.21.10
Notice: No current plans on updating to a different version.
For the 21-21 private modded server, server-side download only. 21-21 is focused on simple optimization, customizablity, quality of life tweaks, minor visual enhancements, and fun in a multiplayer world/server.
Labeled as server-side because it is meant to be paired with the client-side modpack.
21-21 contains these mods required for server-side:- Almanac by frikinjay
- Anvil Restoration by Serilum
- Anvil Too Expensive Fix by Eposs
- AppleSkin by squeek502
- Architectury API by architectury
- Balm by BlayTheNinth
- Better Statistics Screen by TheCSDev
- Cloth Config API by shedaniel
- Clumps by jaredlll08
- Collective by Serilum
- Concurrent Chunk Management Engine (Fabric) by ishland
- Debugify by isxander
- Elytra Trims by KikuGie
- Fabric API by modmuss50
- Fabric Language Kotlin by modmuss50
- FerriteCore by malte0811
- Forge Config API Port by Fuzs
- Jade by Snownee
- Let Me Despawn by frikinjay
- Lithium by CaffeineMC
- ModernFix-mVUS by Coredex
- NetherPortalFix by BlayTheNinth
- No Chat Reports by Aizistral
- Open Parties and Claims by thexaero
- Puzzles Lib by Fuzs
- Silk by jakobkmar
- Simple Voice Chat by henkelmax
- Sit by bl4ckscor3
- Sleep by Jodek
- Sound Physics Remastered by henkelmax
- SuperMartijn642's Config Lib by SuperMartijn642
- TCDCommons API by TheCSDev
- Text Placeholder API by Patbox
- Veinminer by Miraculixx
- Veinminer Enchantment by Miraculixx
- Very Many Players (Fabric) by ishland
- Xaero's Minimap by thexaero
- Xaero's World Map by thexaero
- YetAnotherConfigLib by isxander
^ Many of these are already in the client-side pack due to them requiring being used on both client and server.
Link back to the client-side Modrinth modpack: https://modrinth.com/modpack/21-21-client-side
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.10
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Downloads as 21-21 Server-Side 1.1.0.mrpack
- Download size: 565 KB
- Download link checked 21 Aug 2026 — working
These come from our own check of the pack file, not from the source page.