How do I install BlueSlimeCore?

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. Opens on Spigot — not every file is mirrored on our own servers.

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BlueSlimeCore

⬇ Download on Spigot

Open in MC Java Mods Get it on Google Play →

Supported Versions:
The recommended versions are currently 1.21.11, 26.1.2, and 26.2.
Other Minecraft versions may work, but they are not being tested.

Description:
BlueSlimeCore is an library plugin with many features that are necessary for my other plugins. This library is also free for other developers to use.

Dependencies:

Java 8 or higher.

Features for Servers:

Support for Spigot, Paper, and Folia
'/item-to-nbt' command to view NBT data tags on items.
'/item-to-base64' command to convert items to Base64 strings.
'/debug-event' command to find plugins and listeners for events.

Features for Developers:

Configuration management system for saving and loading of multiple files.
Language management system with support for per-player languages, MiniMessage, and PlaceholderAPI.
Ability to send action bars, titles, and sounds through the language API.
Command system with player checking and sub commands.
Plugin update checking with SpigotMC or Hangar.
Menu API for creation of menus with buttons or pages and a configurable item format.
Factions Handler API to aid support with many different Factions plugin.
Item builders to quickly create items, leather armor, potions, and player heads.
Multiple version handler for spawning entities, changing max health, checking absorption.
Multiple version handler for sending cooldown packets and checking server TPS.
Utility methods for dealing with block/entity locations, items, experience, hex colors, and versions.

Help and Support:
Click the image to join my discord for support. You can also join if you have feature requests or if you just want to chat with other users.

Extra Information:
Please do not use a review to leave bug reports or errors. I am not able to help you through a review.

Commands

/blueslimecore — The main command for the BlueSlimeCore plugin.
/<command> help
/debug-event — Show information about an event class.
/<command> <priority> <full.package.with.ClassNameEvent>
/global-gamerule — Change a gamerule for every world on your server at once.
/<command> <gamerule> <value>
/item-info — A debug command to show information about an item.
/<command>
/item-to-base64 — A debug command to show an item as a binary Base64 string.
/<command>
/item-to-nbt — A debug command to show an item as an NBT/JSON string.
/<command> [pretty]
/item-to-yml — A debug command to show an item as a YML configuration value.
/<command>

Plugin details

Built for Minecraft 1.19+
Plugin version 2.9.9.529
Author SirBlobman
Works with Factions, FactionsUUID, FactionsX, LegacyFactions, PlaceholderAPI

Read from the plugin's own plugin.yml.

Quick facts

Edition: Minecraft Java
File type: .jar
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.

BlueSlimeCore is a free Minecraft Java mod. Downloaded 119,701 times (via Spigot). Download it and open it directly in the game.

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