🧠 Codebase QA Assistant

An AI-powered assistant that analyzes GitHub codebases and answers natural language questions using LLMs, vector databases, and agents.

Now built with a React frontend and a FastAPI backend for a full-stack developer experience.

🚀 Features

📂 Fetch and analyze any GitHub repository (public or private)

🔍 Chunk and embed source code files (Python, HTML, JS, etc.)

🤖 Ask natural language questions about the codebase

🛡️ Secure handling of secrets (API keys not exposed to frontend)

⚡ Powered by LangChain agents, Google GenAI embeddings, and vector databases (FAISS/Chroma)

🌐 Modern React frontend with GitHub login + interactive UI

⚙️ FastAPI backend managing agent workflow and retrieval

📂 Project Structure Codebase-QA-Assistant/ │── frontend/ # React app (UI + routing) │ ├── src/ │ │ ├── App.js │ │ ├── pages/ │ │ │ ├── LoginPage.js │ │ │ └── HomePage.js │ │ └── ... │ └── package.json │ │── backend/ # FastAPI + AI Agent │ ├── agent.py # Core agent logic │ ├── load.py # Load embeddings/models │ ├── vectorDB.py # Vector database setup + retrieval │ ├── main.py # FastAPI server │ └── requirements.txt │ │── README.md # Project documentation

⚙️ Setup Instructions 🔹 1. Clone the Repo git clone https://github.com/Av-17/Codebase-QA-Assistant.git cd Codebase-QA-Assistant