Skyblock Builder
by MelanX
With Skyblock Builder, a server owner or single-player player can turn a schematic file into a custom skyblock island set by config.
What it does
A custom island is built from a schematic file. Its creator makes one with the structure block from vanilla Minecraft or with the Structure Saver item, then lists the possible spawn points for the island in the config. The mod adds a Skyblock world type under the More World Options screen when a new world is created on the client.
The mod is required on both the server and the client. On a server, the world type is set in server.properties, using skyblockbuilder:custom skyblock on 1.18 and later, or in forge-common.toml, where the option was removed in 1.19. Its required dependency is LibX, and Sky GUIs requires it in turn.
Builds exist for Forge and NeoForge across 11 release versions, 1.16.4 – 26.1.2. The latest Forge file is 1.20.1-5.1.33 for 1.20.1, and the latest NeoForge file is 26.1.4 for 26.1.2, on the beta channel. The code is open source under the Apache License 2.0.
Key features
Schematic-based islands
Any island shape can be used, since the layout comes from a schematic file made in-game.
Configurable spawn points
The spawn points for the island are set in the config, so the start position is defined per world.
Skyblock world type
A Skyblock option is added to the world creation screen, so single-player worlds can start on a custom island.
Translation support
The mod is available for translation through One Sky, where contributors can help localize its text.
Gallery
Compatibility
Latest build for each game version and loader.
26.x1 of 1 version with builds
1.21.x1 of 1 version with builds
1.20.x1 of 1 version with builds
1.19.x3 of 3 versions with builds
1.18.x2 of 2 versions with builds
1.17.x1 of 1 version with builds
1.16.x2 of 2 versions with builds
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Optional 4
Required by 1 mod
Use cases
Custom survival maps
A map maker can design an island in a structure block and reuse it across worlds with the same config.
Server events
Server owners can host skyblock games by setting the world type in server.properties.
Who it’s for: Server owners who run skyblock games and map makers who want their own starting islands. Players on a server that runs it need the mod too.
How it compares
Create Skyblock Addon is a Forge and NeoForge addon for 1.19.2 – 1.21.1, client and server, under the MIT License and open source. MCSkyblock is server-side only, for Fabric and Forge across 1.19.2 – 1.19.3, released under the MIT License. Skyblock Builder covers Forge and NeoForge only, with a schematic-driven island rather than a fixed design.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Skyblock Builder | Forge and NeoForge | 1.16.4 – 26.1.2 | Client and server | 2026-10-03 |
| Create Skyblock Addon | Forge and NeoForge | 1.19.2 – 1.21.1 | Client and server | 2026-10-03 |
| MCSkyblock | Fabric and Forge | 1.19.2 – 1.19.3 | Server-side only | 2023-04-03 |
Questions
Does Skyblock Builder need LibX?
Does a player need the mod to join a server that runs it?
How is the world type set on a server?
In the catalog
Skyblock Builder is one of 8,515 World generation mods on ModsFinder, and one of 5,058 World generation mods for Forge. 15,189 mods support Minecraft 26.1.2.
More from MelanX
Similar mods
What the author says
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.
Official listing
- Modrinth page
- modrinth.com/mod/skyblock-builder
- Owner
- MelanX
- Published
- 2021-09-11
- Updated on Modrinth
- 2026-10-03
- Facts verified
- 2026-10-15