What are Deep Agents? Explained fast
Sep 16, 2026LangChain
Summary
This post introduces Deep Agents as a LangChain harness for building complex agents. It highlights the harness's features for managing agent context, integrating file systems, skills, subagents, and summarization. It also details built-in security features like sandboxing for untrusted code, human-in-the-loop gating for sensitive actions, and authorization checks. The swappable architecture is emphasized as a core benefit, enabling consistent agent execution across diverse environments.