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– reloadsconfig/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.json
Version 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.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 26.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as light-up-quilt-1.0.4.jar — drop this file into the mods folder
- Download size: 24 KB
- Download link checked 30 Aug 2026 — working
These come from our own check of the pack file, not from the source page.