It helps prevent accidental vertical mining past your own outline markers while clearing an area. The mod only affects the player who has it installed. It does not protect blocks from other players, and it should not be installed server-side.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- 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 outline-guard-1.0.2.jar — drop this file into the mods folder
- Download size: 16 KB
- Download link checked 14 Sept 2026 — working
These come from our own check of the pack file, not from the source page.