CurseForge · Minecraft mod
S-Lib
An easy to use config and utility library.
Quick answer
Which S-Lib release matches 26.2 NeoForge?
S-Lib 4.0.1 for NeoForge 26.2 targets 26.2 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is S-Lib required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does S-Lib 4.0.1 for NeoForge 26.2 need?
S-Lib 4.0.1 for NeoForge 26.2 on 26.2 NeoForge. Every mod below is checked against that same setup.
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 S-Lib without breaking your instance.
Built for S-Lib 4.0.1 for NeoForge 26.2 on 26.2 NeoForge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use S-Lib 4.0.1 for NeoForge 26.2. It targets 26.2 with NeoForge; 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
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside S-Lib 4.0.1 for NeoForge 26.2. It opens that exact file at the source.
About this project
What does S-Lib add?
S-Lib
S-Lib is a utility and config library. My other mods use it for their configs and config screens, so on its own it adds nothing to the game. If a mod you installed lists S-Lib as a dependency, drop it in your mods folder.
Dependencies
- Fabric only: Fabric API
- Optional: YACL for the in-game config screens. Without YACL everything still works, you will need to edit the config files manually.
- Optional, Fabric only: Mod Menu
Versions
| Minecraft | Fabric | Forge | NeoForge |
|---|---|---|---|
| 1.20 - 1.20.1 | Yes | Yes | |
| 1.20.2 - 1.20.4 | Yes | 1.20.4 only | |
| 1.20.5 - 1.20.6 | Yes | Yes | |
| 1.21 - 1.21.1 | Yes | Yes | |
| 1.21.2 - 1.21.4 | Yes | Yes | |
| 1.21.5 | Yes | Yes | |
| 1.21.6 - 1.21.8 | Yes | Yes | |
| 1.21.9 - 1.21.10 | Yes | Yes | |
| 1.21.11 | Yes | Yes | |
| 26.1 | Yes | Yes | |
| 26.2 | Yes | Yes | |
| 26.3 | Yes | Yes |
For players
Each mod keeps its settings in a .json5 file in your config folder. If you mess up an option when editing, only that option goes back to its default. The old file gets backed up first.
With YACL installed (and if the mod supports it), the config button opens a settings screen in game.
In multiplayer, server-managed settings are automagically sent to you when you join, and they stay greyed out unless the server lets you change them (usually operators only). In a LAN world the host can always change them. On a server without S-Lib, those settings just use their defaults.
For mod developers
- Configs are annotation-based POJOs with support for range clamping, comments, and more
@Syncdecides whether an option is kept locally or synced to the server
- Configs can be registered with a one-liner, and an entire YACL screen can easily be built with a few more lines
- YACL controllers for colors, enum and items/tags dropdowns.
- An item matcher (ids, tags, regex,
!to exclude) and some smaller helpers
See the GitHub README for the full documentation, and the S-Lib Test Mod for real code examples.
Project description from CurseForge.
Pick your setup
S-Lib by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.3
2 loader builds26.2
2 loader builds26.1.2
2 loader builds26.1.1
2 loader builds26.1
2 loader builds1.21.11
2 loader builds1.21.10
2 loader builds1.21.9
2 loader builds1.21.8
2 loader builds1.21.7
2 loader builds1.21.6
2 loader builds1.21.5
2 loader buildsShowing the newest 12 of 24 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
S-Lib versions and loaders
S-Lib 4.0.1 for NeoForge 26.2
s-lib-neoforge-4.0.1-26.2.jar
14 Nov 2026
S-Lib 4.0.0 for NeoForge 26.2
s-lib-neoforge-4.0.0-26.2.jar
12 Nov 2026
Looking for an older file? The official CurseForge project page is in Resources.