MacGPT is a native app for macOS that provides quick access to a chatbot powered by a language model. Users can start a chat with the chatbot from the menu bar or through a conversational mode that does not require typing. The app uses OpenAI API key to communicate. MacGPT also offers several utilities such as Vivid, MACPO, and Cooldown, among others. The app is available for free, but users can choose to contribute to a Christmas tree fund.