TOSI is an innovative online tool that focuses on providing users with a personalized and interactive link-sharing experience through a 3D AI avatar. It leverages artificial intelligence technology, allowing users to create a virtual representation of themselves that can interact with visitors via chat and share links. This innovative approach not only enhances user experience but also provides a novel solution for link sharing on social media, websites, and other platforms. TOSI's main advantages lie in its personalization, interactivity, and innovation, helping users stand out from the crowd of link-sharing tools. Currently, TOSI is in early access, and users can experience it for free without a credit card.