requirements.txt

# MediGuard AI RAG-Helper - Dependencies

# Core Framework
langchain>=0.1.0
langgraph>=0.0.20
langchain-community>=0.0.13
langchain-core>=0.1.10

# LLM Providers (Cloud - FREE tiers available)
langchain-groq>=0.1.0          # Groq API (FREE tier, llama-3.3-70b)
langchain-google-genai>=1.0.0  # Google Gemini (FREE tier)

# Local LLM (optional, for offline use)
# ollama>=0.1.6

# Vector Store & Embeddings
faiss-cpu>=1.9.0
sentence-transformers>=2.2.2

# Document Processing
pypdf>=3.17.4
pydantic>=2.5.3

# Data Handling
pandas>=2.1.4

# Environment & Configuration
python-dotenv>=1.0.0

# Utilities
numpy>=1.26.2
matplotlib>=3.8.2

# Optional: improved readability scoring for evaluations
textstat>=0.7.3

# Optional: HuggingFace embedding provider
# langchain-huggingface>=0.0.1

# Optional: Ollama local LLM provider
# langchain-ollama>=0.0.1