ModsJava
Source Hop
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.
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💬 Description
Client side mod that allows the player to try bhop from the Source engine.
You can edit the mod settings for yourself using the YACL & modmenu mods.
In the mod showcase, I used the CStrifiky resource pack.
The mod itself does not add these knives.
💾 Gif showcase
🎥 Video showcase
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.5, 1.21.3, 1.21.4
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as SourceHop-1.0.4+1.21.5.jar — drop this file into the mods folder
- Download size: 59 KB
- Download link checked 18 Oct 2026 — working
These come from our own check of the pack file, not from the source page.