MemBoost is a client-side Fabric mod for Minecraft 26.1 focused on memory diagnostics and adaptive cleanup.
It helps you monitor heap usage, react to memory pressure, and apply lightweight client-side cleanup without needing to install anything on a server.
- Live memory HUD with heap usage, chunk count, packet activity, and cleanup stats
- Config screen with Mod Menu integration
- Presets for
Play,Observe, andStress - Memory pressure cleanup for transient client-side state
- World change, disconnect, and resource reload cleanup
- Adaptive memory controls for render distance, simulation distance, and particle level
- Client-side commands for stats, presets, HUD, debug logging, and config access
- Client-side only
Play- Balanced defaults for normal gameplayObserve- HUD and debug enabled for monitoring behaviorStress- Aggressive settings for low-memory testing
/memboost- Show a quick overview/memboost stats- Show current memory and cleanup stats/memboost config- Open the config screen/memboost preset <play|observe|stress>- Apply a preset/memboost hud <on|off>- Toggle the HUD/memboost debug <on|off>- Toggle debug logging/memboost profile <safe|balanced|aggressive>- Set the cleanup profile/memboost interval <ticks>- Set the sample interval/memboost threshold <percent>- Set the warning threshold/memboost resetpeak- Reset peak memory usage
- Minecraft
26.1 - Fabric Loader
- Fabric API
This mod is client-side only and does not need to be installed on servers.
For singleplayer testing with aggressive settings, avoid extremely small heap sizes unless you are intentionally stress testing memory behavior.