In Langchain v1.x, we have nice middlewares to pass into create_agent method to manage chat histories. However, if the agent is build using Langgraph, how can we integrate it with middlewares please? I appreciate the help!

I mean those prefefined middlewares like “from langchain.agents.middleware import SummarizationMiddleware“, etc.

hi @DataNoob0723 If you already have a custom LangGraph graph Option A (compose): Wrap your existing graph as a tool and call it from an agent created via create_agent to gain middleware support. Option B (manual integration): Instantiate the middleware and add nodes for its hooks (before_agent, b…

How to use Langchain v1.x middleware in langgraph?

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DataNoob0723 November 3, 2025, 3:36pm 4

Hi, Pawel, thank you so much for the detailed explaination! Greatly appreciate it!

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How to use Langchain v1.x middleware in langgraph?

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