CurseForge · Minecraft mod
TCDCommons API
TheCSDev's personal library mod for the Minecraft modding environment.
Quick answer
Which TCDCommons API release matches 1.21.3 Quilt?
TCDCommons API 3.12.7+fabric-1.21.3 targets 1.21.2, 1.21.3 with Fabric, Quilt. Installation on the client is optional. Installation on the dedicated server is optional. 1 required mod needs a matching file.
Where it goes
Is TCDCommons API 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 TCDCommons API 3.12.7+fabric-1.21.3 need?
3.12.7+fabric-1.21.3 on 1.21.3 Quilt. Every mod below is checked against that same setup.
Install Fabric API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add TCDCommons API without breaking your instance.
Built for TCDCommons API 3.12.7+fabric-1.21.3 on 1.21.3 Quilt. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 3.12.7+fabric-1.21.3. It targets 1.21.2, 1.21.3 with Fabric, Quilt; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
- 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 3.12.7+fabric-1.21.3. It opens that exact file at the source.
About this project
What does TCDCommons API add?

TCDCommons is a Minecraft modding API library that features its own GUI system and various events and hooks for the game, as well as utilities that may be useful to mod developers. This API's main purpose is to help optimize and speed up the development of mods, as well as to avoiding re-writing the same code for every mod that needs to do similar things. Please note that because this mod is a library, it may not offer useful front-end features to the user.
Key features
- 🖥️ Robust GUI framework
- ⚙ JSON-based config system
- 🎣 Additional 'hooks' useful for modding the game
Dependencies
This mod depends on some other mods that first need to be installed before this mod can be installed. Those dependencies are as follows:
- 🧵 Fabric API - Only if running on Fabric. Not required on NeoForge.
Project description from CurseForge.
Pick your setup
TCDCommons API by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26w14a
2 loader builds26.2
2 loader builds26.1.2
2 loader builds26.1.1
2 loader builds26.1-snapshot
2 loader builds26.1
2 loader builds1.21.11
2 loader builds1.21.10
3 loader builds1.21.9
3 loader builds1.21.8
3 loader builds1.21.7
2 loader builds1.21.6
2 loader buildsShowing the newest 12 of 25 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
TCDCommons API versions and loaders
3.12.7+fabric-1.21.3
tcdcommons-3.12.7+fabric-1.21.3.jar
25 Mar 2025
3.12.5+fabric-1.21.3
tcdcommons-3.12.5+fabric-1.21.3.jar
15 Dec 2024
3.12.4+fabric-1.21.3
tcdcommons-3.12.4+fabric-1.21.3.jar
2 Nov 2024
3.12.3+fabric-1.21.3
tcdcommons-3.12.3+fabric-1.21.3.jar
25 Oct 2024
Looking for an older file? The official CurseForge project page is in Resources.