EoA Auction House and Economy

Echoes of Aegis Auction House is a server-side Fabric auction house mod built for Minecraft/Fabric 26.1.2.

It adds a simple chest-based auction interface where players can list items, buy items outright, bid on auctions, and claim won, bought, expired, or cancelled items. It also includes a built-in SQLite economy with balance commands, player payments, admin controls, starting balances, and configurable playtime rewards.

Features

• Server-side only Fabric mod
• Simple chest GUI
• Buyout listings
• Bidding with previous-bid refunds
• Claim system for bought, won, expired, and cancelled items
• 10 active listings per player
• No taxes or listing fees
• SQLite persistence
• Built-in SQLite economy
• /money, /pay, and /eco commands
• Configurable currency names
• Configurable starting balances
• Configurable playtime rewards
• Async database handling
• Auction expiration scheduler
• Configurable auction house display name
• Hover details showing seller, buyout, current bid, next bid, top bidder, and time remaining

Requirements

• Minecraft 26.2
• Fabric Loader 0.19.2 or newer
• Fabric API
• Java 25 or newer

Commands

• /ah opens the auction house.
• /ah page <page> opens a specific page.
• /ah sell <buyout> [minBid] [hours] lists the item in your main hand.
• /ah bid <listingId> <amount> places a bid.
• /ah buy <listingId> buys out a listing.
• /ah claim opens claim pickup.
• /ah cancel <listingId> cancels one of your active listings.
• /ah balance shows fallback economy balance.
• /ah admin balance add <player> <amount> adds fallback money.
• /ah admin expire manually runs auction expiration.
• /ah admin reload reloads the config.
• /money shows your balance.
• /money top shows the richest players.
• /pay <player> <amount> pays another player.
• /eco balance <player> checks another player's balance.
• /eco set <player> <amount> sets a balance.
• /eco add <player> <amount> adds money.
• /eco take <player> <amount> removes money.
• /eco top shows the richest players.

Configuration

On first server start, the mod creates:

world/echoesauctionhouse/config.json

Example:

{
  "auctionHouseName": "Aegis Market",
  "currencySingular": "coin",
  "currencyPlural": "coins",
  "startingBalance": 100,
  "payCommandEnabled": true,
  "playtimeRewardsEnabled": true,
  "playtimeRewardAmount": 10,
  "playtimeRewardMinutes": 15
}

Use /ah admin reload or restart the server after changing the config.