ModsJava
BlackBox - Server Diagnostics
Java mod listed for Minecraft 1.21–26.x. Download on the author's site.
A black box for your Paper server — record performance, investigate lag, find hotspots. Free Minecraft Java mod for 1.21, 26.1, 26.2.
⬇ Download on SpigotQuick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 26.1, 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 Spigot — 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.
BlackBox - Server Diagnostics is a free Minecraft Java mod. Compatible with Minecraft 1.21, 26.1, 26.2, 26.3. Downloaded 5 times (via Spigot). Download it and open it directly in the game.