# Core python-dotenv>=1.0.0 pydantic>=2.0.0 # LangChain/LangGraph langchain>=0.1.0 langgraph>=0.1.0 langchain-core>=0.1.0 langsmith>=0.1.0 # LLM Providers (Groq is primary, others are fallback) langchain-groq>=0.1.0 google-generativeai>=0.5.0 requests>=2.31.0 # Search tavily-python>=0.3.0 # HTTP Client httpx>=0.27.0 # Yahoo Finance yfinance>=0.2.40 # A2A Server (for Researcher A2A mode) fastapi>=0.115.0 uvicorn>=0.32.0 # MCP SDK (for MCP servers) mcp>=1.0.0 # Sentiment Analysis vaderSentiment>=3.3.2 # Database psycopg2-binary>=2.9.0