GPT Public Directory is an assistant tool developed to streamline the process of locating and registering various Generative Pretrained Transformers (GPTs). This tool is especially designed for the ChatGPT platform, enhancing its functionalities and user experience. GPT Public Directory serves as a comprehensive database of multiple GPTs, providing users an effortless discovery framework. Unlike standard search methods, this tool allows users to find relevant GPTs without having to sift through an extensive list manually. Additionally, GPT Public Directory facilitates GPT registration, making it easier for creators to add their GPTs in the directory and share them with the community. The tool also initiates conversations with welcome messages and prompt starters to guide the user, providing a more interactive user experience. With features like START HERE, it simplifies the process for beginners by systematically introducing the functionalities of the public directory. The GPT Public Directory works to efficiently manage the ever-growing number of GPTs within the ChatGPT platform, creating a well-organized and easy-to-navigate ecosystem. Please note that usage of GPT Public Directory requires the subscription to ChatGPT Plus.