CustomMeteorJS
by LirxOwO
CustomMeteorJS lets pack makers reshape the meteorite blocks that Applied Energistics 2 generates, without editing that mod itself.
What it does
Meteorite shell, core and bud blocks can be customized through KubeJS scripts, and weighted block entries set how often each bud appears. Biome-based crater fallout overrides are optional, so a pack can change the material left in a crater by biome. A structure template named custommeteor:ae2 meteorite is provided as a starting point for the layout.
Three working modes are available, and startup scripts apply the weighted rules when the game loads. The mod is aimed at modpack makers who want control over meteorite terrain behavior in a lightweight way. Applied Energistics 2 is required on Forge 1.20.1 and NeoForge 1.21.1, and KubeJS is optional for the scripting side. A server running it needs every connecting player to have it too. Its code is released under the GNU General Public License v3.0 only.
Key features
Scripted meteorite blocks
KubeJS scripts swap the shell, core and bud blocks of AE2 meteorites for other blocks.
Weighted bud chances
Each block entry carries a weight, so a pack can set how often a given bud type appears in a meteorite.
Biome crater fallout
Optional overrides change the fallout in craters according to the biome where the meteorite lands.
Template palette
A KubeJS template palette and a structure template help build custom meteorite layouts.
Compatibility
Latest build for each game version and loader.
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 1
Use cases
Modpack terrain tuning
Pack makers can adjust meteorite materials and bud rarity to fit their own progression and resource balance.
Addon for AE2 packs
Packs that already run Applied Energistics 2 can add custom meteorite behavior while leaving AE2 unchanged.
Who it’s for: Modpack makers and server owners who run Applied Energistics 2 and want to change how its meteorites look and generate, using KubeJS scripts.
How it compares
Atmospheric Phenomena is also a Forge and NeoForge mod for 1.20.1 – 1.20.4, released under the MIT License and open source, but it covers weather-style effects rather than meteorite blocks. Spear Core targets 1.20.1 – 1.21.1 under the MIT License and is open source, yet it is a library and does not change meteorite generation. KubeJS Studio is client-side only with a custom license and is not open source, and it runs on versions up to 26.1.2, so it does not overlap with CustomMeteorJS's server-side meteorite scripting.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| CustomMeteorJS | Forge and NeoForge | 1.20.1 – 1.21.1 | Client and server | 2026-02-28 |
| Atmospheric Phenomena | Forge and NeoForge | 1.20.1 – 1.20.4 | Client and server | 2024-03-15 |
| Spear Core | Forge and NeoForge | 1.20.1 – 1.21.1 | Client and server | 2026-10-06 |
| KubeJS Studio | Forge and NeoForge | 1.20.1 – 26.1.2 | Client-side only | 2026-09-29 |
Questions
Does CustomMeteorJS need Applied Energistics 2?
Is KubeJS required to use CustomMeteorJS?
Which versions does CustomMeteorJS support?
In the catalog
CustomMeteorJS is one of 3,514 Library mods on ModsFinder, and one of 1,576 Library mods for Forge. 32,366 mods support Minecraft 1.21.1.
More from LirxOwO
Similar mods
What the author says
CustomMeteor is a lightweight AE2 addon for modpack makers. It lets you control meteorite blocks and terrain behavior without editing AE2 itself.
Official listing
- Modrinth page
- modrinth.com/mod/custommeteorjs
- Owner
- LirxOwO
- Published
- 2026-02-06
- Updated on Modrinth
- 2026-02-28
- Facts verified
- 2026-10-15