How do I install Atlas Lib (1.21.1, 1.20.1) – Library for Smileycorp's Mods?

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. In MC Java Mods, or directly above on this page.

What Minecraft version does Atlas Lib (1.21.1, 1.20.1) – Library for Smileycorp's Mods work with?

The listing gives Minecraft 1.21.1, 1.20.1. This is the version stated by the author or source site, not something we verified ourselves.

Home›Java›Mods›Atlas Lib (1.21.1, 1.20.1) – Library for Smileycorp's Mods

ModsJava

Atlas Lib (1.21.1, 1.20.1) – Library for Smileycorp's Mods

Java mod listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.

by Moon

⬇ Download

Open in MC Java Mods Get it on Google Play →

Atlas Lib is a library for shared code between Minecraft mods. This mod does nothing if installed by itself, and only exists as a dependency for other mods.

Atlas Lib (1.21.1, 1.20.1) – Library for Smileycorp's Mods — Minecraft Java mod, screenshot 1

Features:

Various utilities to streamline the registering of sets of items and blocks.
Various utilities to handle the rendering of models.
Various utilities related to entity and block positioning.
Utilities to read json from datapacks.
Utilities to read values from NBT.

Atlas Lib Download Links

For Minecraft 1.21.1, 1.21

NeoForge version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.1, 1.20

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.4

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.3

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.2

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.19

Forge version: Download from Server 1

For Minecraft 1.18.2

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.17.1

Forge version: Download from Server 1

For Minecraft 1.16.5

Forge version: Download from Server 1

For Minecraft 1.12.2

Forge version: Download from Server 1

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.21.1, 1.20.1
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: In MC Java Mods, or directly above on this page.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

File checked by MCModsHub

Downloads as 196141.mcaddon
Download size: 91 KB
Download link checked 15 Jul 2026 — working
Mirrored on our own servers — the download does not depend on the original host

These come from our own check of the pack file, not from the source page.

Explore more

All Mods for Java All Minecraft Java mods Java mods for 1.21 Java mods for 1.20