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CurseForge CurseForge · Mod

How to install "Atlas Lib"

A serialzation and math libary for minecraft mods.

Author

smileycorp

Downloads

27.8M

Last Updated

Mar 30, 2026

Mod Loaders

Forge NeoForge

Minecraft Versions

1.21.1 1.20.1 1.19.4 1.18.2 1.17.1 1.16.5
API and Library

Quick Install ID

#atlas-lib

Install Atlas Lib in GDLauncher

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

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 Atlas Lib supports (1.21.1, 1.20.1, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #atlas-lib, find Atlas Lib in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

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 Atlas Lib supports (1.21.1, 1.20.1, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #atlas-lib, find Atlas Lib 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 Atlas Lib supports. As of the latest release, 1.21.1, 1.20.1, 1.19.4 are supported. Atlas Lib supports multiple loaders (Forge, NeoForge); 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 Atlas Lib free?

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

What Minecraft versions does Atlas Lib support?

Atlas Lib supports Minecraft 1.21.1, 1.20.1, 1.19.4, 1.18.2, 1.17.1, 1.16.5. GDLauncher will automatically pick a compatible version when you install it.

Does Atlas Lib require Forge or Fabric?

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

How do I install Atlas Lib?

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

Who made Atlas Lib?

Atlas Lib is made by smileycorp. The full project lives on CurseForge (https://www.curseforge.com/minecraft/mc-mods/atlas-lib).

Need help?

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

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