This article explains how to create and manage reusable skills in OpenAI's API. Skills are packaged bundles of files that enable repeatable workflows in hosted or local environments. It covers when to use skills, how to structure them, and the API calls necessary for uploading and utilizing them.

OpenAI's gpt-oss models utilize the harmony response format to structure conversation outputs, reasoning, and function calls. This format allows for flexible output channels and is designed to integrate seamlessly with existing APIs, while custom implementations can follow the provided guide for proper formatting. Users are encouraged to refer to the documentation for comprehensive instructions on using the format effectively.