CartiMarket is a server-authoritative economy and trading mod for Minecraft 1.20.1 Forge.
It adds a full in-game market where players can buy and sell items only in carefully balanced quantities. Prices are dynamic: when an item is sold heavily, its price can fall; when it is bought, its price can rise. Many crafted items also respond to the prices of their materials, creating a connected economy where resources such as wood, iron, leather, crops, ores, and rare materials matter.
Features include:
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A searchable in-game market with categories, live prices, balance display, and buy/sell controls
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Hundreds of priced vanilla items plus selected supported modded items
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Dynamic supply-and-demand pricing for every market item
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Logical material dependencies for crafted and advanced items
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Fixed trade tiers, so items can only be bought or sold in their intended quantities
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A player-to-player barter board for item-for-item trading
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Listings and offers with up to four item stacks per side
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Support for modded items and full stack quantities in player trades
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Safe escrow, accepting, rejecting, withdrawing, and pending-delivery handling
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Player trades are fully separate from the market: they use no money and do not change prices
CartiMarket is designed for survival servers that want mining, farming, crafting, exploration, and player trading to all have a meaningful place in the economy.

