ModsJava
AddonsLib
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.
This library makes it easier to register blocks for APIs such as Macaw's Bridges/Fences/Roofs/etc...
How can this be useful?
With this, compatibility mods all use the same code, reducing the number of mods.
It can also be useful for updates of original mods, allowing all crashes like NoclassFound to be corrected.
This mod can simply be installed without any mod, but that's not very useful.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.6, 1.21.8, 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 CurseForge — 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
- Ships as addonslib-1.17.1-1.0.jar — drop this file into the mods folder
- Download size: 117 KB
- Download link checked 27 Aug 2026 — working
These come from our own check of the pack file, not from the source page.