CoreClient
by Someone123
CoreClient is a Forge client-side developer utility for Minecraft 1.20.1 that bundles debug-only commands.
What it does
The mod is built for developers and advanced users who want debugging tools in the game client. Only the client needs it, so players join servers without installing anything. It is published for Forge on 1.20.1 only, with 1.2.3 as the latest file, and it is released under the MIT License.
Key features
Debug-only commands
Adds commands meant solely for debugging rather than for regular gameplay.
Developer build
Offered as a developer version intended for testing and development work.
Advanced audience
The author recommends the commands for developers and advanced users, not for everyday play.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Questions
Does CoreClient need to be installed on the server?
Is CoreClient suitable for regular gameplay?
In the catalog
CoreClient is one of 8,499 Technology mods on ModsFinder, and one of 4,122 Technology mods for Forge. 34,764 mods support Minecraft 1.20.1.
Similar mods
What the author says
This mod version includes diagnostic commands such as /client settings killlwjgl, which will crash the game and display a native JNA window. Before the crash, a confirmation GUI appears with two buttons: Confirm Crash — proceeds with the crash, and Cancel — aborts it. Use these commands strictly for debugging…
Official listing
- Modrinth page
- modrinth.com/mod/coreclient
- Owner
- Someone123
- Published
- 2025-10-06
- Updated on Modrinth
- 2025-10-06
- Facts verified
- 2026-10-15