Open SWE: The Open-Source Async Cloud-Hosted Coding Agent

2025-08-09
Open SWE: The Open-Source Async Cloud-Hosted Coding Agent

LangChain introduces Open SWE, an open-source, asynchronous, cloud-hosted coding agent. It directly connects to your GitHub repositories, autonomously handling tasks like researching codebases, planning execution, writing code, running tests, reviewing its work, and creating pull requests. Built on LangGraph, Open SWE uses a multi-agent architecture (Manager, Planner, Programmer, Reviewer) for quality assurance. Its interruptible workflow and feedback mechanisms, combined with a user-friendly UI/UX, significantly improve AI agent interaction. Already deployed internally at LangChain, future iterations will include a local CLI for enhanced efficiency.

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