Key takeaways
- Adds functional decoration – jars, planters, sign posts, globes, safes, slingshots and much more
- Built for Forge and NeoForge, with a Fabric version that lags slightly on minor features
- Highly configurable: almost every feature can be turned off individually
There is a specific category of Minecraft mod that is hard to do well: the one that adds content without changing what the game is. Too little and it is a novelty; too much and you are playing a different game with Minecraft’s textures. Supplementaries has been sitting exactly on that line for years, which is how it has reached 27 million downloads without ever being a headline mod.
The pitch is that it fills gaps vanilla has. That is a claim most mods make and few earn. This one earns it, and the test is simple: nearly every block in it feels like something Mojang could ship without anyone noticing it was new.
What this mod does
It adds a large set of blocks and items that are functional, decorative, or both, and it is careful that each one has a reason to exist beyond looking nice. Jars store items and display what is inside them. Sign posts point in a direction and can be stacked. Planters hold crops above ground level. Safes lock their contents to their owner. Globes render an actual map of your world.
The design discipline shows in what it does not do. There is no new ore, no new dimension, no new tier of tools, no progression to grind through. Everything is available within the material economy vanilla already has, which is why it slots into an existing survival world without disrupting anything.

Key features
- Jars for storing and displaying items and liquids
- Sign posts and way signs for marking paths and directions
- Globes that render a map of your world as a placeable block
- Safes with owner-locked contents, useful on shared servers
- Planters, shelves, candle holders, doormats and a long list of decoration blocks
- Slingshots and other small tools that use vanilla materials
- Full configuration – individual features can be disabled without removing the mod
The configuration is the reason it survives in modpacks
Every feature can be switched off. That sounds like a minor convenience, but it is why Supplementaries turns up in so many curated modpacks: a pack author can take the fifteen blocks they want and disable the rest, rather than accepting the whole set or nothing. Mods that do not offer this get cut from packs for one feature the author dislikes.
It requires Moonlight Library
Worth knowing before you install: Supplementaries depends on Moonlight Library, a companion library mod by the same team. Drop both in together. This is normal for large Forge mods and is not a red flag, but it is the most common reason a first install fails to load.

Compatibility
The mod is primarily a Forge and NeoForge project. A Fabric version exists and is supported, but the author is explicit that it may be missing minor features – if you are on Fabric and a particular block is the reason you want the mod, verify it is in the Fabric build first.
Version support is narrower than for smaller mods, covering a focused set from 1.15.2 through 1.21.1. That is typical for a mod of this size; porting hundreds of blocks across a major version is a genuine project rather than a recompile, and the author has said that ports happen but take time.
It is translated into nineteen languages including Korean, which is unusual for a mod of this scope and worth mentioning for anyone running a non-English client.
How to install
- Install Forge or NeoForge for your Minecraft version
- Download both Supplementaries and Moonlight Library from Modrinth
- Place both jars in the mods folder
- Launch once, then open the mod’s config to disable anything you do not want
- On a server, install the same versions on both client and server

Is it worth installing?
If you build, it is close to essential. Minecraft’s decorative block set is thin relative to how much people decorate, and the gap between what builders want and what vanilla provides is exactly the space this mod occupies. A base built with Supplementaries available looks lived in rather than constructed.
If you play technically – farms, redstone, speedruns – it adds almost nothing you will use, and it is a large mod to carry for a few blocks. The configuration makes it viable anyway, but it is not the first mod on that list.
The interesting thing about Supplementaries is what it says about vanilla’s design. Most of its blocks are ideas Mojang has clearly considered and declined, because the studio’s stated approach is to keep the base game’s vocabulary small so players supply the meaning. A mod like this is the natural pressure valve for that policy, and it is better as a mod than it would be as a feature drop.
Source
Images and mod details from the Supplementaries page on Modrinth.