
Modrinth · Minecraft mod
libIPN
Inventory Profiles Next GUI/Config library
Quick answer
Which libIPN release matches 1.21.1?
libIPN neoforge-1.21.1-6.6.3 targets 1.21.1 with NeoForge. It must be installed on the client. Do not install it on the dedicated server. All 1 required mods have matching files.
Where it goes
Is libIPN required on the client, server, or both?
It must be installed on the client. Do not install it on the dedicated server.
This file is marked client-only.
What else does libIPN neoforge-1.21.1-6.6.3 need?
neoforge-1.21.1-6.6.3 on 1.21.1. Every mod below is checked against that same setup.
Install Kotlin for Forge first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add libIPN without breaking your instance.
Built for libIPN neoforge-1.21.1-6.6.3 on 1.21.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use neoforge-1.21.1-6.6.3. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Kotlin for Forge first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
It must be installed on the client. Do not install it on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside neoforge-1.21.1-6.6.3. It opens that exact file at the source.
About this project
What does libIPN add?
Description
This is the GUI/Config library used by Inventory Profiles Next
This lib will be shared between IPN and Any future mod I make
FAQ
Can I use it in my mods?
Feel free to use it, but at this point there is no documentation or examples. And the code is not that clear.
Project description from Modrinth.
Pick your setup
libIPN by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
3 loader builds26.1.2
3 loader builds26.1.1
3 loader builds26.1
3 loader builds25w06a
2 loader builds25w05a
2 loader builds25w04a
2 loader builds1.21.11
3 loader builds1.21.10
2 loader builds1.21.9
2 loader builds1.21.8
3 loader builds1.21.7
3 loader buildsShowing the newest 12 of 18 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
libIPN versions and loaders
neoforge-1.21.1-6.6.3
libIPN-neoforge-1.21.1-6.6.3.jar
25 Mar 2026
fabric-1.21.1-6.6.3
libIPN-fabric-1.21.1-6.6.3.jar
25 Mar 2026
neoforge-1.21.1-6.6.2
libIPN-neoforge-1.21.1-6.6.2.jar
13 Dec 2025
fabric-1.21.1-6.6.2
libIPN-fabric-1.21.1-6.6.2.jar
13 Dec 2025
fabric-1.21.1-6.6.1
libIPN-fabric-1.21.1-6.6.1.jar
8 Nov 2025
neoforge-1.21.1-6.6.1
libIPN-neoforge-1.21.1-6.6.1.jar
8 Nov 2025
fabric-1.21.1-6.6.0
libIPN-fabric-1.21-6.6.0.jar
5 Oct 2025
neoforge-1.21.1-6.6.0
libIPN-neoforge-1.21-6.6.0.jar
5 Oct 2025
fabric-1.21.1-6.5.1
libIPN-fabric-1.21-6.5.1.jar
9 Jul 2025
neoforge-1.21.1-6.5.1
libIPN-neoforge-1.21-6.5.1.jar
9 Jul 2025
forge-1.21.1-6.5.1
libIPN-forge-1.21-6.5.1.jar
9 Jul 2025
fabric-1.21-6.5.0
libIPN-fabric-1.21-6.5.0.jar
11 Apr 2025
Looking for an older file? The official Modrinth project page is in Resources.