DatapacksJava
Bookshelf Development Bundle
Java data pack listed for Minecraft 26.x. Downloads from the MC Java Mods app on Android.
A collection of modules to help you debug your datapack while you build it. Free Minecraft Java datapack for 26.3.
⬇ Download on ModrinthQuick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 26.3
- 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 — see the MC Java Mods guides for the full walkthrough.
File checked by MCModsHub
- Downloads as bookshelf-dev-26.3-v4.2.1.zip
- Download size: 56 KB
- Download link checked 12 Oct 2026 — working
These come from our own check of the pack file, not from the source page.