SWE-Agent is an open-source AI utility crafted to independently tackle software engineering chores by morphing language models such as GPT-4 into specialized engineering agents. Utilizing a bespoke Agent-Computer Interface (ACI), it elevates the models' proficiency in navigating, modifying, and implementing code commands. Capable of converting GitHub issues into generated pull request solutions, SWE-Agent proves its worth in practical coding settings and boasts remarkable results on benchmarks such as SWE-bench, revealing its capacity to automate intricate software development tasks.