The Open GPT Plugin Store tool enables users to incorporate GPT Plugins and AI Agents into their chat applications or agents. It provides a diverse selection of plugins and materials to assist users in registering, integrating, and constructing their own plugins. Additionally, it grants access to APIs, facilitates database and webpage searches, offers data and finance management capabilities, and provides various other functionalities. The tool also includes a plugin emulator, Langchain framework, and Toolkit.club for the purpose of plugin creation.