We describe the development of “Charlie,” a AI assistant working for the user by leveraging personal data securely stored in a Solid Pod. Building on a 2017 proposal for a trustworthy and user-centric AI, the work highlights progress made by engineers at Inrupt in late 2024. Using a simulated dataset for a fictional user, “Bob,” the team integrated an advanced large language model (LLM) with Bob’s personal data to demonstrate the transformative potential of combining AI and SoLiD po...| Design Issues for the World Wide Web