Realism Tweaks Lib
Lib that provides tags and data for Realism Tweaks
About this Mod
Realism Tweaks Tag Lib is a small library mod that provides a set of shared block and item tags used by the Realism Tweaks
It doesn’t add any gameplay features on its own – instead, it defines consistent tag groups (e.g. blocks that can be broken by falling anvils, fragile glass variants, etc.) that other mods can reference to ensure compatibility and maintainability.
Available Versions
How to Install Realism Tweaks Lib on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "Realism Tweaks Lib". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.21.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Realism Tweaks Lib server crashes on startup – what to do?
Most common cause: wrong neoforge 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 (1.21.4). You can switch loaders with one click in the panel.
Is Realism Tweaks Lib compatible with neoforge?
Realism Tweaks Lib officially supports neoforge for Minecraft 1.21.4, 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Realism Tweaks Lib – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Realism Tweaks Lib 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.
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Rent Modded Server
Install Realism Tweaks Lib with just one click on your server.