Developed and integrated GPUStack as a model provider within the langgenius/dify repository, enabling support for large language models, text embeddings, and reranking with secure credential validation and comprehensive integration tests. Authored detailed documentation in justjavac/dify-docs, outlining deployment procedures, API key management, and configuration steps to streamline onboarding and ensure secure usage of GPUStack for inference and embedding tasks. Leveraged Python for backend integration and Markdown for technical writing, focusing on API development, model integration, and testing. The work emphasized expanding test coverage and providing end-to-end guidance to facilitate customer adoption and reduce friction across both repositories.