@misc{murphyhill2026adoption, title={Adoption and Impact of Command-Line AI Coding Agents: A Study of Microsoft's Early 2026 Rollout of Claude Code and GitHub Copilot CLI}, author={Emerson Murphy-Hill and Jenna Butler and Alexandra Savelieva}, year={2026}, eprint={2607.01418}, archivePrefix={arXiv}, primaryClass={cs.SE}, url={https://arxiv.org/abs/2607.01418} }