@misc{zhao2026openearthagenttoolcallingtool,
      title={OpenEarth-Agent: From Tool Calling to Tool Creation for Open-Environment Earth Observation}, 
      author={Sijie Zhao and Feng Liu and Xueliang Zhang and Hao Chen and Xinyu Gu and Zhe Jiang and Fenghua Ling and Ben Fei and Wenlong Zhang and Junjue Wang and Weihao Xuan and Pengfeng Xiao and Naoto Yokoya and Lei Bai},
      year={2026},
      eprint={2603.22148},
      archivePrefix={arXiv},
      primaryClass={cs.CV},
      url={https://arxiv.org/abs/2603.22148}, 
}