WrenAI is an artificial intelligence data assistant that integrates and harmonizes information between LLM models and your databases. Its core function is to improve the understanding and accuracy of data by aligning schemas, structures, relations, and metadata with your business context. This open-source tool facilitates communication with your databases, providing answers to questions without the need for writing SQL. The results are explainable, with a step-by-step breakdown facilitated by LLM models. As your personal AI agent, WrenAI augments your LLM knowledge base which improves your data's comprehension and utilization. It features a self-learning feedback loop, continuously updating the model with metadata to enhance the understanding of queries. WrenAI is designed for speedy integration of data and ensures security by transmitting only metadata, like schemas, documentation, and queries. It can be deployed as per your preference on your data, LLM APIs, and environment. Moreover, it supports seamless integration with popular databases, data warehouses, and analytics tools.