Introduction Modern applications are increasingly powered by large language models (LLMs) that don’t just generate text—they can call live APIs, query databases, and even trigger automated workflows.

(Emma Lee/WHYY) Philadelphia City Councilmember Nicolas O'Rourke (left) joins a protest against pro-gas lobbying at City Hall, April 22, 2025. (Emma Lee/WHYY) Local climate activist Jim Wylie protests ...