Holistic Agent Leaderboard: The Missing Infrastructure for AI Agent Evaluation. - Sayash Kapoor; Benedikt Stroebl; Peter Kirgis; Nitya Nadgir; Zachary S. Siegel; Boyi Wei; Tianci Xue; Ziru Chen; Felix Chen; Saiteja Utpala; Franck Ndzomga; Dheeraj Oruganty; et al. (CoRR, 2025)