@article{legorlharnessnativereinforcementlearning, title = {LEGO-RL: Harness-Native Reinforcement Learning for Coding Agents}, author = {Yiming Du and Yuxin Jiang and Tao Yuan and Jianbo Dai and Shaowei Wang and Jierun Chen and Chaofan Tao and Xianzhi Yu and Lifeng Shang and Kam-Fai Wong and Xiaohui Li and Haoli Bai}, year = {2026}, eprint = {2608.17393}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2608.17393}, }