All built-in rules have are organised by categories.
Tags are used to organize operations, check they have been used correctly.
Are you secure? Or at least have you thought about it correctly.
Descriptions power documentation, these rules ensure they are not missed.
Rules for validating and checking examples.
Operations and Paths are the meat and potatoes of OpenAPI.
Rules for checking schema's and object definition validity.
Contract information is critical to understanding context about the contract.
Ensure specific data types are correctly defined.