The Agents League hackathon, part of AI Skills Fest 2026, celebrated developers building agentic AI. Tens of thousands participated, showcasing innovation across various categories. Afterlogin: The Hunt won Best Overall for its creative security training simulation. StudyMate was recognized for its gamified learning experience using personal notes. DELPHAI excelled in reasoning by employing an 11-agent council for verification. Archon provided financial intelligence within Microsoft Teams, demonstrating enterprise integration. Special awards highlighted innovation in IQ tools, accessibility, social good, and student projects. Key engineering lessons include the power of multi-agent orchestration over monolithic prompts and the importance of meeting users in existing workflows. Rigorous testing and accessibility-first design were also identified as crucial differentiators. The event featured live Reactor battles for real-time learning and provided extensive skilling playlists on AI Skills Navigator. Crucially, future participants are advised to prioritize demo videos and public repositories as essential submission components.