langgraph<2,>=1.2
langchain<2,>=1.4
langchain-core<2,>=1.6
pydantic<3,>=2.12
numpy>=1.26
httpx>=0.28
mcp<3,>=2.3
fastembed>=0.9

[huggingface]
langchain-huggingface>=1.2
sentence-transformers>=5.1

[test]
pytest>=8.4
