Cline is a collaborative AI programming plugin designed for developers, aiming to improve programming efficiency and quality through close cooperation with developers. It not only generates code but also comprehensively optimizes the development process, from monitoring the development environment to automatically fixing problems, fully assisting developers. Cline adopts an open-source model and supports various AI models, allowing users to choose the appropriate model according to their needs, ensuring the security and controllability of the development process. It is primarily aimed at developers who need efficient development and optimized programming processes, whether individual developers or enterprise teams, and can benefit from it.