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How to install "MonoLib"

A non-invasive library mod for Fabric, Forge, and NeoForge.

Author

jason13official

Downloads

23.0M

Last Updated

Apr 23, 2026

Mod Loaders

NeoForge Fabric Forge

Minecraft Versions

26.1.2 1.21.10 1.20.6 1.19.4
API and Library Education Utility & QoL

Quick Install ID

#monolib

Install MonoLib in GDLauncher

MonoLib runs on NeoForge, Fabric, Forge. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.

Install on NeoForge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the NeoForge loader and a Minecraft version that MonoLib supports (26.1.2, 1.21.10, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #monolib, find MonoLib in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Fabric

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Fabric loader and a Minecraft version that MonoLib supports (26.1.2, 1.21.10, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #monolib, find MonoLib in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Forge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Forge loader and a Minecraft version that MonoLib supports (26.1.2, 1.21.10, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #monolib, find MonoLib in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Before you install

Make sure your Minecraft version matches what MonoLib supports. As of the latest release, 26.1.2, 1.21.10, 1.20.6 are supported. MonoLib supports multiple loaders (NeoForge, Fabric, Forge); pick whichever matches your other mods. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.

Frequently Asked Questions

Is MonoLib free?

Yes. MonoLib is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does MonoLib support?

MonoLib supports Minecraft 26.1.2, 1.21.10, 1.20.6, 1.19.4. GDLauncher will automatically pick a compatible version when you install it.

Does MonoLib require Forge or Fabric?

MonoLib supports NeoForge, Fabric, Forge. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install MonoLib?

Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #monolib. GDLauncher handles dependencies and the right Minecraft version automatically.

Who made MonoLib?

MonoLib is made by jason13official. The full project lives on CurseForge (https://www.curseforge.com/minecraft/mc-mods/monolib).

Need help?

Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.

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