Bigi, F., Abbott, J. W., Loche, P., Mazitov, A., Tisi, D., Langer, M. F., Goscinski, A., Pegolo, P., Chong, S., Goswami, R., Chorna, S., Kellner, M., Ceriotti, M., & Fraux, G. Metatensor and metatomic: foundational libraries for interoperable atomistic machine learning [Computer software]. http://arxiv.org/abs/2508.15704