Affiliate and Library Innovation Lab director Jack Cushman shares the Agent Protocols Tech Tree (APTT), a visual, videogame-style tech tree of the evolving protocols supporting AI agents. First proposed at a BKC workshop in February 2026, the APTT is helpful for more- or less-technical users alike because it allows them to select the depth of information they'd like to receive. Read more about Cushman's creation from the Library Innovation Lab.