Developed flexible authentication and configuration management features for OCI Generative AI integrations across the langchain-ai/langchain and run-llama/llama_index repositories. Focused on enabling users to specify custom OCI configuration file paths through the auth_file_location parameter, the work improved support for multi-config environments and reduced onboarding friction. Implemented enhancements in Python and Jupyter Notebook, updating core logic for both embeddings and GenAI LLM integrations to ensure consistent authentication workflows. Comprehensive documentation and error handling updates guided users in troubleshooting and setup. The approach emphasized cross-repository parity, cloud integration, and robust configuration management without introducing new bugs during the development period.