MJM (Mouse-Jump-Mod)
by Brokoli5191
MJM lets players jump by scrolling the mouse wheel, so a scroll up or down triggers a jump while the default Space key keeps working.
What it does
Scrolling the mouse wheel up or down makes the player jump, which gives an alternative to pressing Space. Space stays bound to jumping as in vanilla, so either input can be used at any time. The mod is aimed at players who want a quicker way to hop over blocks, ledges and water while moving through a world.
MJM is a Fabric mod that works on the client alone, so only the player who installs it needs it and servers do not have to run it. Files are published for Fabric across 13 release versions, 1.21.1 – 26.2, and the code is released under the MIT License, which makes it open source. Its source code and issue tracker are linked from the project page for anyone who wants to report a problem.
Key features
Mouse wheel jump
Scrolling the mouse wheel up or down triggers a jump, letting the player hop without reaching for the Space key.
Space key unchanged
The default Space binding still performs a jump, so the new input is added on top of the vanilla control.
Simple single-input design
The mod only changes how a jump is started and adds no blocks, items or interface screens to the game.
Public issue tracker
The source code and an issue tracker are public, so bugs and requests can be reported on GitHub.
Compatibility
Latest build for each game version and loader.
26.x2 of 2 versions with builds
1.21.x11 of 11 versions with builds
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Moving over terrain
A player crossing rough ground or building work can jump with the wheel while the other hand stays on the mouse for aiming.
Who it’s for: Players who want an extra jump input for navigating a world, and players who prefer scrolling to pressing a key. Single-player and multiplayer clients can both run it alone, as the mod needs no server-side install.
How it compares
MWHEEL jump is another Fabric mod that starts jumps from the mouse wheel, but it is not open source and is published for 1.21.4 – 26.1.2 under the MIT License. Movement Update is a Fabric mod for 1.21.11 that is open source under the GNU General Public License v3.0 only, and it runs on both client and server, so servers must install it along with every player.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| MJM (Mouse-Jump-Mod) | Fabric | 1.21.1 – 26.2 | Client-side only | 2026-08-10 |
| MWHEEL jump | Fabric | 1.21.4 – 26.1.2 | Client-side only | 2026-06-11 |
| Movement Update | Fabric | 1.21.11 | Client and server | 2026-08-18 |
Questions
Does MJM need Fabric API to run?
Does a server have to install MJM?
Which game versions does MJM support?
Where can a bug be reported?
In the catalog
MJM (Mouse-Jump-Mod) is one of 3,932 Transportation mods on ModsFinder, and one of 2,390 Transportation mods for Fabric. 13,894 mods support Minecraft 26.2.
Similar mods
What the author says
This is a Minecraft mod to be able to JUMP with the MOUSEWHEEL
Official listing
- Modrinth page
- modrinth.com/mod/mjm-mouse-jump-mod
- Owner
- Brokoli5191
- Published
- 2026-02-27
- Updated on Modrinth
- 2026-08-10
- Facts verified
- 2026-10-15