
Modrinth · Minecraft mod
Ohmega
A modernised and lightweight data-driven accessory API for Minecraft
Quick answer
Which Ohmega release should I use?
Ohmega 1.5.21 targets 1.21.1 with NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Ohmega required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Ohmega 1.5.21 need?
1.5.21. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Ohmega without breaking your instance.
Built for Ohmega 1.5.21. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.5.21. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.5.21. It opens that exact file at the source.
About this project
What does Ohmega add?
Ohmega
A modernised and lightweight data-driven, loader-agnostic accessory API for Minecraft, versions 1.18+
This mod aims to be a performant and stable alternative to other accessory API mods, while maintaining a plentiful amount of useful features both for users and developers
If you know another language and have some free time, consider helping to translate the mod here. There aren't too many translations needed per language, and your contributions will be extremely helpful.

Features
The following table describes features and the mod's version requirement in which they can be used. I am very open to feature requests, simply join the Discord and leave a message detailing what you would like to see added/changed, or create an issue report on the GitHub issue tracker.
| Feature | Version | Support / detail | Documentation |
|---|---|---|---|
| Multi-loader | >=1.4 | Fabric, Forge, NeoForge | N/A |
| Accessory rendering | >=1.6 | Broad (exp) | Yes |
| Custom slot types | >=1.3 | Full, data-driven | Yes |
| Data generation | >=1.5.8 | Accessory types, lang | Yes |
| Key-bound slots | Any | Built-in, dynamic | No |
| Accessory events | >=1.1 | Full (>=1.6) | Partial |
| Attribute modifiers | >=1.1 | Full, conditional | Yes |
| Custom screens | >=1.6 | Full (exp) | Yes |
| Configs | >=1.3 | Client & server config | N/A |
| UI Edit Screen | >=1.6 | Complete widget editing | N/A |
The Fabric version depends on the 'Fabric API' and 'Forge Config API Port' mods to function, whereas the Forge and NeoForge versions are standalone
For developers
Read the wiki to learn how to mod with Ohmega, and create your own functional accessories. If you have any questions or need support, join the Discord and leave a message with what you would like to know or need guidance with
Project description from Modrinth.
Pick your setup
Ohmega by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
3 loader builds26.1.1
3 loader builds26.1
3 loader builds1.21.11
3 loader builds1.21.1
3 loader builds1.20.1
2 loader builds1.19.3
1 loader build1.19.2
2 loader builds1.19.1
2 loader builds1.19
2 loader buildsCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Ohmega versions and loaders
1.5.21
ohmega-1.5.21-neoforge+1.21.1.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-forge+1.21.1.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-fabric+1.21.1.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-neoforge+1.21.11.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-forge+1.21.11.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-fabric+1.21.11.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-fabric-mc26.2.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-neoforge-mc26.2.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-forge-mc26.2.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-neoforge-mc26.1.2.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-forge-mc26.1.2.jar
30 Aug 2026
1.5.21
ohmega-1.5.21-fabric-mc26.1.2.jar
30 Aug 2026
Looking for an older file? The official Modrinth project page is in Resources.