Creating an outstanding Developer Experience (DX) is crucial for the success of any library, whether it is used internally within a company or made available to the public. It is important to make sure that users can easily discover, understand, and make effective use of your library. However, achieving great DX is not a one-size-fits-all task; it requires a thoughtful and evolving approach based on a set of core principles. In this presentation, I will discuss the fundamentals of how the grammY community has effectively cultivated an exceptional developer experience, resulting in a dedicated and growing user community. We will delve into key strategies and valuable insights that you can implement to improve the DX of your own projects.