python-dotenv>=1.0.0
fastapi>=0.109.0
uvicorn>=0.27.0
langgraph>=0.0.41
langchain>=0.1.9
langchain-core>=0.1.46
openai>=1.8.0
pydantic>=2.5.3
pydantic-settings>=2.1.0
httpx>=0.25.2
requests>=2.31.0