
Modrinth · Minecraft mod
GUILib
Developer tool to create & design GUIs for datapacks easily.
Quick answer
Which GUILib release should I use?
GUILib beta-0.1 targets 1.21, 1.21.1, 1.21.10 with datapack. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is GUILib required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does GUILib beta-0.1 need?
beta-0.1. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add GUILib without breaking your instance.
Built for GUILib beta-0.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use beta-0.1. It targets 1.21, 1.21.1, 1.21.10 with datapack; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside beta-0.1. It opens that exact file at the source.
About this project
What does GUILib add?
GUILib
Overview
GUILib is a library datapack made to create GUIs in your datapacks
Features
Help Center
/trigger guilib-help to open the help center int the chat
Function
/function gui:create.item to make your mainhand item into a GUI Open item
To Change one of the eight GUIs go to
data/gui/gui/(there is your GUI number 1..8)
and change the item replace air commands with your items
Custom Data Items
minecraft:YOUR_ITEM[minecraft:custom_data={ui_item:1b}] - locks the item in its GUI Slot (Can't be dropped)
minecraft:YOUR_ITEM[minecraft:custom_data={navigate_to:gui1}] - navigates you to the gui1,gui2...
Project description from Modrinth.
Pick your setup
GUILib by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.10
1 loader build1.21.9
1 loader build1.21.8
1 loader build1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader build1.21.4
1 loader build1.21.3
1 loader build1.21.2
1 loader build1.21.1
1 loader build1.21
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
GUILib versions and loaders
beta-0.1
GUILib-beta0.1.zip
14 Jun 2026
beta-0.0
GUILib.zip
13 Jun 2026
Looking for an older file? The official Modrinth project page is in Resources.