tags:
- published
title: How to create LangGraph agent from a pre-built
permalink: langgraph-agent-from-prebuilt
date created: Thursday, May 1st 2025, 8:13:46 am
date modified: Friday, June 27th 2025, 6:09:32 am
Add package dependencies.
poetry add langgraph langchain-openai langchain python-dotenv langchain-community
poetry add --group dev mypy ruff "langgraph-cli[inmem]"
Develop your agent.
poetry run langgraph dev