How do I install MSMPlus?

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. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does MSMPlus work with?

The listing gives Minecraft 1.21.9. This is the version stated by the author or source site, not something we verified ourselves.

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MSMPlus

Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.

by iojanis · on Modrinth

⬇ Download on Modrinth

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MSMPlus

A server-side Fabric mod that extends Minecraft's Server Management Protocol (MSMP) with 80+ events (INCOMPLETE), advanced RPC methods, and dynamic configuration.

Features

80+ Event Types across 15 categories (player actions, blocks, entities, world changes, inventory, furnace, fishing, combat, etc.) INCOMPLETE
Advanced RPC Methods for command execution with structured output and tab completion
Dynamic Configuration with hot-reload and per-player event overrides
Performance Optimization including batching, throttling, and memory management
Unix Socket Support as an alternative to TCP
In-Game Management via comprehensive /msmp command system

Quick Start

Download the latest release
Place in mods/ folder
Start server (MSMP binds to port 25575 by default)
Connect via MSMP client
Use /msmp events list to see available events

Documentation

Complete documentation available at: superblo.cc/docs

API Reference - All events, RPC methods, and data types
Events System - Event categories and schemas
RPC Methods - Integration examples
Configuration System - Advanced settings and hot-reload
Commands - In-game management reference

Configuration

Config stored at config/msmplus.json with 7 main categories:

MSMP Settings (TCP/Unix socket, ports, timeouts)
Events Configuration (all 80+ events with granular control) INCOMPLETE
Performance Settings (batching, throttling, queue management)
Commands Configuration (dynamic command registration)
Debug Settings (logging, metrics)
Security Configuration (permissions, rate limiting)
Player Event Overrides (per-player customization)

Key Commands

/notify <json> - Send custom JSON notifications
/msmp events list - List all available events
/msmp events enable/disable <event> - Toggle events
/msmp events player <player> enable/disable <event> - Per-player overrides
/msmp config reload - Hot-reload configuration
/msmp metrics - View performance metrics

Platform

Fabric 1.21.9
Java 21+

License

GNU Lesser General Public License v3.0

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.9
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 Modrinth — 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 msmplus-0.1+1.21.9.jar — drop this file into the mods folder
Download size: 220 KB
Download link checked 3 Oct 2026 — working

These come from our own check of the pack file, not from the source page.

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