yq is a command-line tool for parsing and formatting YAML files. It is written in Go and allows users to extract and manipulate data from YAML documents in a number of ways, such as by selecting specific elements, modifying values, and applying transformations. yq is widely used for tasks such as configuration management, data processing, and automation. It is available as open source software and can be installed and used on a variety of platforms. You can go ahead and install yq using tea today!