CurseForge · Minecraft mod
💎 Crystal Auction
💎 Crystal Auction & Bank A feature-rich Fabric economy mod for Minecraft 1.21.1 with advanced auctions, slot limits, search filters, and a secure crystal bank.
Quick answer
Which 💎 Crystal Auction release should I use?
💎 Crystal Auction 💎Crystal Auction 1.3.1 targets 1.21.1 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is 💎 Crystal Auction required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does 💎 Crystal Auction 💎Crystal Auction 1.3.1 need?
💎Crystal Auction 1.3.1. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add 💎 Crystal Auction without breaking your instance.
Built for 💎 Crystal Auction 💎Crystal Auction 1.3.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 💎Crystal Auction 1.3.1. It targets 1.21.1 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside 💎Crystal Auction 1.3.1. It opens that exact file at the source.
About this project
What does 💎 Crystal Auction add?
💎 Crystal Auction & Bank 💎
A modern and feature‑rich economic mod for Minecraft 1.21.1 (Fabric) designed to take in‑game trading and player economy to the next level. The mod delivers an intuitive auction house with dynamic slot limits, a smart search system, a secure crystal bank, and seamless player transfer mechanics.
✨ Core Features ✨
🏛️ Advanced Auction House — a user‑friendly GUI with category support, sorting by newest/price, and instant item search.
📦 Listing Management — dedicated tabs for active listings, your personal offers (My Listings), and expired items (Expired) that can be quickly returned to your inventory.
📊 Dynamic Slot Limits — admins can flexibly configure the maximum number of listing slots per player.
💰 Integrated Banking System — secure crystal storage and convenient player‑to‑player transfers via the /pay command.
⚡ Fabric Optimization — high performance with no lags or delays, fully adapted for current game versions.
🛠️ Custom Tab & Upcoming Admin Tools — a custom tab interface is already implemented; the /admin command will soon allow admins to personalize the tab layout.
📜 Command List
All auction commands support two aliases: /ah and /auction.
🎮 Player Commands
/ahor/auction— open the main auction menu./ah sell <price>or/auction sell <price>— list the item in your main hand at the specified price./ah player <player_name>or/auction player <player_name>— view a specific player’s active listings./pay <player_name> <amount>— transfer the specified amount of crystals to another player./ah tred <player_name>— initiate direct trading with another player./tpa— send a teleport request to another player (requires their acceptance)./rtp— teleport to a random location in the world.
👑 Admin Commands (access level 2 or higher)
/ah openor/auction open— globally open the auction for all players./ah open <player_name>or/auction open <player_name>— unlock the auction for a specific player./ah closeor/auction close— immediately close the auction for everyone./ah close <player_name>or/auction close <player_name>— restrict auction access for a specific player./ah lot <player_name> <slot_count>or/auction lot ...— set a personalized slot limit for a player’s listings./ah balance <player_name> <amount>(also/ah balans) — set an exact crystal balance for a specified player./enderchestor/ec— open a player’s Ender Chest for inspection or management./vanish— make the admin invisible to regular players (visible only to other admins and moderation staff).
Project description from CurseForge.
Pick your setup
💎 Crystal Auction by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
💎 Crystal Auction versions and loaders
💎Crystal Auction 1.3.1
auctionmod-1.3.1.jar
14 Oct 2026
💎Crystal Auction
Crystal Auction-Fabric 1.21.1.jar
3 Oct 2026
Looking for an older file? The official CurseForge project page is in Resources.