
Just Another Structure Pack
Adds a few new structures to the Overworld.
Screenshots






About this Mod
Just Another Structure Pack is a structure data pack that adds new structures to the Overworld. These structures fit well into vanilla gameplay and are also rarer structures that just add more ambience and encourage adventure and exploration of the world.
Structures include:
Catacombs:

These rare, ominous structures spawn rarely in Taigas. The consist of a long entrance shaft and then a maze of twisting pathways. Contains lots of skeletons.
Bastion Outpost:

This mysterious underground structure contains many Illagers including Illusioners.
Friendly Outpost:

Rare structures that contains villagers and early game loot. Spawn in most biomes.
Illager Ship:

Find illagers aboard a ship in most ocean biomes.
Tower:

Towers generate uncommonly in the world and act as waypoints. Contains loot with helpful exploration resources, and always contain a compass and lodestone.
Rustic Church:

Small, ambient structure that spawns in forest biomes. Has a chance to spawn as a ruined variant.
Overgrown Library:
Small structure that spawns in Lush Caves. A good source of enchanted books and bookshelves.
Ambients
Small ruins found in deserts and forests, with more biomes planned for the future
Available Versions
How to Install Just Another Structure Pack 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 (1.21.10).
Install Mod
Open the mod browser in the dashboard and search for "Just Another Structure Pack". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.10, 1.21.9, 1.21.6 (+11 more)
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Just Another Structure Pack 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 (1.21.10). You can switch loaders with one click in the panel.
Is Just Another Structure Pack compatible with datapack and fabric and forge and neoforge and quilt?
Just Another Structure Pack officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.10, 1.21.9, 1.21.6. 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 Just Another Structure Pack – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Just Another Structure Pack 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 Just Another Structure Pack with just one click on your server.