

Dive into a new dimension of Minecraft gameplay with the Minecraft Reflection mod. This mod introduces a powerful toolset that enables you to manipulate the game's mechanics using custom commands, all powered by Java reflection.
Features:
- /jr Command: Access the mod's functionality through the
/jrcommand, opening the door to a world of possibilities.
Subcommands:
Primitive Data Storage: Use subcommands like
int,long,string,boolean,float, anddoubleto store essential data types at user-defined keys. Utilize preset keys for rounded numbers from -100 to 100. These include integers (e.g., 7), doubles (e.g., 21.0) or floats (e.g., -5f). There are also preset keys for the boolean values ("true" and "false").Entity Manipulation: Interact with specific entities using
entity, dimensions withdimension, scoreboard objectives withobjective, 3D vectors withvector, and the server command source withsource.Method Invocation: Invoke methods from the game's classes and store outcomes using the
methodsubcommand.Dynamic Object Creation: Create new objects with custom attributes using the
newsubcommand.Type Casting: Modify object types dynamically using the
castcommand.Field Extraction: Extract specific fields from objects using the
fieldcommand. Usesetto change orgetto store the field's value.Class Command: With the
classcommand, you can store any class to a key, allowing you to access static variables and methods.Command Execution: Run regular Minecraft commands with dynamic key replacement using the
runsubcommand. To use it surround the key with percentage signs.
Important Notes:
Caution: Be cautious when experimenting with the mod, as incorrect usage can lead to unintended consequences or instability in your Minecraft world. Always backup your saves before extensive experimentation.
Compatibility: Ensure that the mod version aligns with your Minecraft version for optimal performance.
Embrace Creativity: Unleash your creativity and reshape the Minecraft world to your liking. Download Reflection now and start your journey of discovery and innovation.
I wrote most of this description together with mr chatgpt. If you find any problems, please let me know, I have not fully tested every feature of this mod. Also let me know if I should add anything, have any questions, or you did something cool with this mod.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- 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.
- Ships as reflection-1.0.2.jar — drop this file into the mods folder
- Download size: 3.0 MB
- Download link checked 1 Sept 2026 — working
These come from our own check of the pack file, not from the source page.