Thinking-Claude is a project aimed at enhancing the response quality of the AI assistant Claude. It guides Claude through a set of detailed instructions and a browser plugin, encouraging thorough and systematic thinking before providing responses. The significance of this project lies in its ability to improve AI reasoning capabilities, increase transparency, enhance organizational efficiency, and incorporate quality control measures. Originating from richards199999, this project is open-source and adheres to the MIT License, allowing users to freely use and modify it.