
Modrinth · Minecraft mod
McJtyLib
Library mod used by most mods by McJty and romelo333 (RFTools, XNet, Deep Resonance, Not Enough Wands, SignTastic, etc.)
Quick answer
Which McJtyLib release should I use?
McJtyLib 1.20-8.0.8 targets 1.20.1 with Forge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is McJtyLib 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 McJtyLib 1.20-8.0.8 need?
1.20-8.0.8. 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.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add McJtyLib without breaking your instance.
Built for McJtyLib 1.20-8.0.8. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.20-8.0.8. It targets 1.20.1 with Forge; 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 1.20-8.0.8. It opens that exact file at the source.
About this project
What does McJtyLib add?
McJtyLib
This is a library mod used by most McJty and romelo333 mods. It provides functionality like a user interface and many tools and helpers for various mod related things.
Mods using McJtyLib:
- RFTools Base
- RFTools Utility
- RFTools Builder
- RFTools Control
- RFTools Storage
- RFTools Power
- RFTools Dimensions
- XNet
- Deep Resonance
- SignTastic
- Restrictions
- Not Enough Wands
Most of these mods are available on 1.12.2 and 1.16.5, 1.18.2 and 1.19.
Project description from Modrinth.
Pick your setup
McJtyLib by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader build1.20.1
1 loader build1.19.4
1 loader build1.19.3
1 loader build1.19.2
1 loader build1.19.1
1 loader build1.19
1 loader build1.18.2
1 loader build1.18.1
1 loader build1.16.5
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
McJtyLib versions and loaders
1.21-9.0.21
mcjtylib-1.21-9.0.21.jar
16 Jun 2026
1.20-8.0.8
mcjtylib-1.20-8.0.8.jar
16 Jun 2026
1.21-9.0.20
mcjtylib-1.21-9.0.20.jar
6 Dec 2025
1.21-9.0.19
mcjtylib-1.21-9.0.19.jar
2 Dec 2025
1.21-9.0.18
mcjtylib-1.21-9.0.18.jar
26 Nov 2025
1.21-9.0.17
mcjtylib-1.21-9.0.17.jar
16 Nov 2025
1.21-9.0.16
mcjtylib-1.21-9.0.16.jar
6 Nov 2025
1.21-9.0.15
mcjtylib-1.21-9.0.15.jar
24 Oct 2025
1.21-9.0.14
mcjtylib-1.21-9.0.14.jar
27 Sept 2025
1.21-9.0.13
mcjtylib-1.21-9.0.13.jar
21 Sept 2025
1.21-9.0.12
mcjtylib-1.21-9.0.12.jar
11 Aug 2025
1.21-9.0.11
mcjtylib-1.21-9.0.11.jar
2 Aug 2025
Looking for an older file? The official Modrinth project page is in Resources.