Static files

mods.json: Contains detailed information about all available mods in the game, generated using CustomRulesetMetadataGenerator.
custom_ruleset_version_hash.json: Contains version hash information for custom rulesets, generated using CustomRulesetMetadataGenerator.
iso3166.json: Contains ISO 3166-1 codes for all countries and regions.
plugin_schema.json: Defines the JSON Schema for the plugin metadata file plugin.json, used to validate the structure and content of plugin metadata.
beatmap_tag.json: Contains the beatmap tags used by osu!, as described in the osu! wiki.