Polybook

Server-side book item for Polydex (Polymer mod)

808 Downloads

fabricquiltutility

Rent Server with this Mod

About this Mod

Polybook

Polybook is Polymer mod that adds server-side item called Polydex. It was made to make usage of Polydex feel more vanilla!

You can still use /polydex command, but you can also just use the item. Polydex book uses vanilla texture, which means that your texture packs will still work!

Right-click with polydex to open Polydex menu, instead of using command

Recipe is simple: one block of any leaves and one book
Polydex recipe

Available Versions

Polybook 1.0.1release

MC 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10fabric, quilt

November 17, 2025

Polybook 1.0.0release

MC 1.21.4, 1.21.5fabric, quilt

February 5, 2025

How to Install Polybook 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 (1.21.10).

Install Mod

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

Compatibility

Mod Loaders

fabricquilt

Minecraft Versions

1.21.10, 1.21.9, 1.21.8 (+4 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Polybook 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 (1.21.10). You can switch loaders with one click in the panel.

Is Polybook compatible with fabric and quilt?

Polybook officially supports fabric, quilt for Minecraft 1.21.10, 1.21.9, 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Polybook – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Polybook 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.