S1nju/Medical-AgenticRag-Assistant

this Assistant is an intelligent medical chatbot powered by LangGraph, integrated with a customized database of over 6,000 scraped Algerian medications and seamlessly connected to the Nedrex API to deliver accurate, updated medical information # 🩺 Medical Agentic RAG Assistant > An intelligent multilingual medical assistant built with **LangGraph**, **LangChain**, **RAG**, and **NeDRex** that dynamically selects the appropriate reasoning pipeline to answer pharmaceutical and biomedical questions. --- ## 🚀 Overview Medical Agentic RAG Assistant is an **agentic Retrieval-Augmented Generation (RAG)** system capable of answering medical and pharmaceutical questions by intelligently combining multiple knowledge sources. Unlike traditional RAG systems that always search the same database, this assistant **reasons about the user's request first**, decides which tools are needed, retrieves information from the appropriate sources, synthesizes the results, and validates the final response before returning it. The assistant supports **French and English**, allowing French queries while using English-based biomedical APIs internally. --- # ✨ Features - 🌍 French → English query translation - 🤖 Agentic workflow powered by LangGraph - 🧠 Intelligent routing between multiple tools - 💊 Pharmaceutical database retrieval - 🧬 Integration with the NeDRex biomedical knowledge graph - 📚 Retrieval-Augmented Generation (RAG) - 🔍 Automatic answer validation (Judge Agent) - 💬 Chitchat support - ⚡ Modular and extensible architecture --- # 🏗️ Architecture The application is built as a LangGraph workflow where every node performs a specialized task. ```mermaid graph TD START([START]) TRANSLATE["Translate French → English"] ROUTER["Router Determine Tool"] DB_TOOLS["Database Tools"] NEDREX["NeDRex API"] SYNTHESIZE["Answer Synthesizer"] JUDGE["Judge Agent"] CHAT["Chitchat"] END([END]) START --> TRANSLATE TRANSLATE --> ROUTER ROUTER -->|Database| DB_TOOLS ROUTER -->|NeDRex| NEDREX ROUTER -->|Both| DB_TOOLS ROUTER -->|Chitchat| CHAT DB_TOOLS -->|Both| NEDREX DB_TOOLS --> SYNTHESIZE NEDREX --> SYNTHESIZE SYNTHESIZE --> JUDGE JUDGE --> E …