RzmLib

认真猫系列模组的核心前置库，为其他 Rzm 模组提供支持 / The core dependency for the Rzm (SeriousCat) mod series, providing support for other Rzm mods.

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fabriclibrary

Rent Server with this Mod

About this Mod

本模组是认真猫系列模组的核心前置轻量库，为其他 Rzm 模组提供底层支持。
如果你想使用 RzmYsid 等模组，则必须安装本前置模组，否则这些模组将无法正常运行。

功能包括：

按键输入与 Client-Server 订阅系统
玩家形态渲染替换
认真猫常用的自定义 HUD
环绕实体系统
粒子与视觉特效支持
/rzm 命令框架
常用工具与辅助 API

This mod is a lightweight core library for the RZMAO (Serious Cat) mod series, providing foundational support for other "Rzm" mods.

If you want to use mods such as RzmYsid, you must install this library; otherwise, those mods will not function properly.

Features include:

Key input and client–server synchronization system
Player morph rendering replacement
Custom HUD elements commonly used in SeriousCat mods
Orbiting entity system
Particle and visual effects support
/rzm command framework
Common utilities and helper APIs ****

Available Versions

认真猫前置 RzmLib 0.1.0release

MC 1.21.1fabric

April 23, 2026

How to Install RzmLib on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).

Install Mod

Open the mod browser in the dashboard and search for "RzmLib". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

RzmLib server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.

Is RzmLib compatible with fabric?

RzmLib officially supports fabric for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with RzmLib – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if RzmLib consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.