Introducing Open SWE: An Open-Source Asynchronous Coding Agent

LangChain has introduced Open SWE, an open-source, asynchronous coding agent designed to operate like a human software engineer. It integrates directly with GitHub repositories to handle tasks from issues, research a codebase, create an execution plan, write code, and open a pull request. The system is built on LangGraph and uses a multi-agent architecture with a Manager, Planner, and Programmer/Reviewer to ensure quality and allow for human-in-the-loop intervention. Open SWE runs tasks in an isolated cloud sandbox and is designed to be an extensible foundation for building collaborative human-agent software development workflows.