Skyblock Builder
Let you create a custom skyblock island via config
Screenshots
About this Mod
Porting information for 26.1 update
This mod allows you to create custom skyblock islands via config.
You simply create a schematic file using the structure block from vanilla Minecraft, or the Structure Saver item and
set possible spawn points for the island.
This mod is required on server and client side. It adds a "Skyblock" world type at "More World Options..." setting when
creating a new world on client side.
For servers, use skyblockbuilder:custom_skyblock (1.18+: skyblockbuilder:skyblock) as world type in
server.properties or in forge-common.toml (config, was removed in 1.19).
This mod requires LibX.
Help translating the mod here on One Sky.
A bit low and German, but maybe helpful
For more information, please visit the Wiki linked above.
You are allowed to put this mod in any modpack you like.
!](https://raw.githubusercontent.com/ChaoticTrials/ModMeta/HEAD/assets/mods/skyblock-builder/promo.png)
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Available Versions
How to Install Skyblock Builder on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Skyblock Builder". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.20.1, 1.19.2 (+7 more)
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Skyblock Builder server crashes on startup – what to do?
Most common cause: wrong forge 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 (1.21.1). You can switch loaders with one click in the panel.
Is Skyblock Builder compatible with forge and neoforge?
Skyblock Builder officially supports forge, neoforge for Minecraft 1.21.1, 1.20.1, 1.19.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Skyblock Builder – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Skyblock Builder 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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