README.md

# AI Product Search Agent

This is a fully free, deployable AI tool built with Streamlit and LangChain that searches Amazon cellphone accessories using natural language.

## Features

- Natural language understanding
- Vector search (FAISS + sentence-transformers)
- Price and keyword filtering
- Conversational agent interface
- Deployed on Hugging Face Spaces

## How to Run

### Locally

```bash
pip install -r requirements.txt
streamlit run app.py
```

### Hugging Face Spaces

1. Create a new Space (Streamlit)
2. Upload all files
3. Add your `secrets.toml` with an OpenRouter or OpenAI API key
4. Deploy!

Enjoy your free AI agent!