gradio
requests
pandas

# LangGraph / LangChain agent stack
langgraph>=0.6.0
langchain>=0.3.0
langchain-core>=0.3.0
langchain-community>=0.3.0
langchain-huggingface>=0.3.0
langchain-groq>=0.2.0
huggingface_hub>=0.27.0

# Research and file tools
duckduckgo-search>=6.3.0
ddgs>=9.0.0
wikipedia>=1.4.0
markdownify>=0.13.0
pypdf>=4.3.0
openpyxl>=3.1.0
arxiv>=2.1.0
youtube-transcript-api>=0.6.2
Pillow>=10.0.0
pytesseract>=0.3.10