Cobbleboost

Cobbleboost

CobbleBoost is a client-side Fabric mod for Minecraft 1.21.1 that optimizes performance when playing with Cobblemon 1.7.

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4.4K Downloads
fabricmanagementoptimization
Configure a Compatible Minecraft Server

About this Mod

CobbleBoost

CobbleBoost is a client-side Fabric mod for Minecraft 1.21.1 that optimizes performance when playing with Cobblemon 1.7. It targets the main sources of lag
caused by Cobblemon's Pokemon entities through six features:

  1. Pokemon Render Distance β€” Culls (skips rendering) Pokemon beyond a configurable distance, reducing GPU load in areas with many spawned Pokemon.
  2. LOD System (Level of Detail) β€” Renders distant Pokemon with simplified models, so you get visual presence without the full rendering cost.
  3. Animation Throttling β€” Reduces the update frequency of Pokemon animations for entities that are far away or not in direct view, saving CPU cycles.
  4. Particle Limiter β€” Caps or reduces particles from Cobblemon's particle storm effects, which can be heavy in dense areas.
  5. Model Pre-caching β€” Preloads Pokemon models during resource loading so they don't cause stutter when a Pokemon first appears in-game.
  6. Config GUI β€” Provides a settings screen (via Cloth Config + Mod Menu) and a /cobbleboost command to tweak all the above features in-game.

All optimizations are client-side only and use Fabric Mixins to hook into Cobblemon's rendering and animation code.

Available Versions

Cobbleboost 1.1.2release
MC 1.21.1fabric
March 31, 2026
Cobbleboost 1.1.1release
MC 1.21.1fabric
March 28, 2026
Cobbleboost 1.1.0release
MC 1.21.1fabric
March 20, 2026
Cobbleboost 1.0.1release
MC 1.21.1fabric
March 17, 2026
Cobbleboost 1.0.0release
MC 1.21.1fabric
March 13, 2026

How to Install Cobbleboost on Your Client

1

Install the Mod Loader Locally

Install fabric for your local Minecraft version.

2

Download the Matching File

Choose the Cobbleboost file for fabric and Minecraft 1.21.1.

3

Install Mod

Place the .jar file in your local .minecraft/mods folder and restart Minecraft. No server-side installation is required.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.1

Server-side

βœ— Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Does Cobbleboost need to be installed on the Minecraft server?

No. Modrinth marks Cobbleboost as unsupported on the server side. Install it only in your local Minecraft mods folder. Your server can remain unchanged unless the mod page lists an additional dependency.

Which version and loader does Cobbleboost require?

Use a file for fabric and your exact Minecraft version. Supported versions include 1.21.1. Files for different loaders are not interchangeable.

Cobbleboost is not working – what should I check?

First check the Minecraft version, loader version and required dependencies. Put the .jar file in your local .minecraft/mods folder and remove older duplicates. Because this mod is client-side, adding server RAM will not fix it.

Minecraft Server for Your Group

Cobbleboost stays on your client. Host a compatible world for your group.

Recommended RAM
4 GBfrom €5.2/mo
Minimum 3 GB | per 8 players
Create Server Now
Client Compatibility Guide
NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Unsupported

Supported Versions

1.21.1