Storia-AI/sage is an AI-driven tool for engaging with code repositories, utilizing large language models (LLMs) and retrieval-augmented generation (RAG) technology to allow users to query information from codebases through chat. Key advantages of this product include a straightforward setup process, documented responses, support for local or cloud-based operation, and the ease of replacing algorithm components to meet diverse needs. Storia-AI/sage aims to help developers quickly and intuitively understand codebases, thus enhancing development efficiency. Currently, this product is free and particularly beneficial for the open-source community.