Jean Caves
Better overworld caves, add 5 biomes to caves, and 2 for surface.
Screenshots
About this Mod
This datapack adds 5 biomes to minecraft caves, making them more alive, but with some vanilla vibes, it doesn't disturb too much de gen of the caves.
Redstone caves, amethyst caves, dry caves, cold caves and pale caves.
5 New structures, 1 ruin for each biome, you will find a music disc for each structure.
The custom mobs inside structures drops Claws, the claws are just iron pickaxes with another texture, and the diamond sword attributes.
Aslo you need optifine or ETF for fabric, to see the mobs variants in the resourcepack
See my other resources:
Amethyst Expansion,
Copper Expansion,
Savanna Update,
Snowy Expansion, Extreme Worldgen
Available Versions
How to Install Jean Caves on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "Jean Caves". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.2, 26.1.1, 26.1 (+5 more)
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Jean Caves server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (26.1.2). You can switch loaders with one click in the panel.
Is Jean Caves compatible with datapack and fabric and forge and neoforge and quilt?
Jean Caves officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 26.1.2, 26.1.1, 26.1. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Jean Caves – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Jean Caves 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 Jean Caves with just one click on your server.