langchain-community>=0.3.27
langchain-core>=0.3.72
langchain-openai>=0.3.28
langgraph>=0.6.3
mcp>=1.12.3
openai>=1.99.1
pydantic>=2.11.7
python-dotenv>=1.1.1
duckduckgo-search>=6.1.0

[dev]
pytest>=7.0.0
pytest-asyncio>=0.21.0
black>=23.0.0
isort>=5.12.0
flake8>=6.0.0
