An MCMETA file is a metadata configuration file primarily utilized within the popular sandbox video game Minecraft. It is a plain text file structured in the JSON (JavaScript Object Notation) format, which allows resource packs and data packs to define specific properties and behaviors for various game assets. Most commonly, MCMETA files are used alongside animated textures to specify the frame order, duration, and interpolation settings for custom in-game items, blocks, and graphical interfaces. Without the corresponding mcmeta file, texture animations would not function correctly, as the game engine relies on this file to understand how to loop and render the individual image frames contained within a sprite sheet. Additionally, MCMETA files are employed in language localization packs, custom font definitions, and sound configurations, making them an essential component for modders and resource pack creators looking to customize the visual and auditory experience of the game beyond its default parameters. Because they are fundamentally text-based, they can be easily edited using any standard text editor.