blog.langchain.com
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LangChain released Open SWE, an MIT-licensed framework for building internal coding agents that plug into Slack, Linear, and GitHub rather than requiring developers to adopt new interfaces. Built on Deep Agents and LangGraph, it packages patterns observed in production at Stripe, Ramp, and Coinbase – isolated sandboxes with pluggable providers like Modal and Daytona, around 15 curated tools, AGENTS.md for repo-level context, and subagent orchestration with deterministic middleware hooks. The default model is Claude Opus 4 but any LLM works. The real value is in the convergence it represents: every company building internal coding agents was solving the same architectural problems independently, and LangChain is betting that standardizing that layer is more useful than competing on it.
