uCats Price Calculator Eco v.12 is a free utility mod designed for the game Eco, enhancing the web interface for server players. This mod adds a dedicated price calculator page that players can easily access by pressing the 'g' key or using the 'Graphs' button on the minimap. It simplifies price calculations by integrating server data, allowing players to determine prices for their stores without manual data entry from the in-game market view.

Key features include support for modded recipes, direct access to ingredient pricing, and the ability to set store prices directly within the mod. The installation process is straightforward, requiring unzipping the file into the server’s root directory, and it eliminates previous configuration needs, making it a plug-and-play solution. Additionally, it offers a public API with endpoints for store listings, recipes, item tags, and crafting tables, further enhancing its utility for players.