Light Up!
ModA server-side fabric mod to light up areas to prevent mob spawning or better visibility.
Type
Mod
Modrinth Downloads
2,877
Modrinth ID
tTWmqzmB
Last Updated
Jun 5, 2026
Description
Light Up (Fabric server-side)
Light Up places light sources automatically around players to brighten caves or surfaces, with per-tick pacing and undo support.
Features
- Server-side only (no client mod required)
- Command-driven lighting with range, min light, skylight toggle, and type (surface/cave/all)
- Per-player undo of the last lighting task
- Action-bar style progress (toggle/format configurable)
- JSON configuration with live reload
- Multi-version builds (1.19.x → 1.21.x)
Commands
- /lightup reload – reloads config/light-up.json
- /lightup cancel – cancels your active lighting task
- /lightup undo – undoes your last lighting task
- /lightup <block> <min_light_level 0–15> <range> <include_skylight true|false> <lightup_type surface|cave|all> – starts a new lighting task
- Alias: /lu
Configuration (JSON)
A JSON file is created on first run:
/config/light-up.jsonVersion support
- 1.19.x, 1.20.x, 1.21.x
Acknowledgements
Inspired by the Spigot/PaperMC plugin LightUp by @LOOHP. See LOOHP/LightUp on GitHub.
Compatibility
Mod Loaders
Game Versions
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