README.md

---

title: DocuQuery
emoji: 📄
colorFrom: blue
colorTo: green
sdk: streamlit
sdk_version: "1.25.0"  # or latest
app_file: app.py
pinned: false
---


# 📄 DocuQuery - Free Document Q&A with LangChain + Hugging Face

DocuQuery lets you **upload a PDF and ask questions** about it.  
This version uses **free Hugging Face models** (no OpenAI required).  

## 🚀 Features
- Upload a PDF
- Ask questions in natural language
- Uses **sentence-transformers for embeddings** + **Flan-T5 for answering**
- Runs free via Hugging Face Hub

## 🛠️ Tech Stack
- Python, Streamlit
- LangChain, FAISS
- Hugging Face Hub (Flan-T5, MiniLM embeddings)

## ▶️ Run Locally
```bash

git clone https://github.com/<your-username>/docuquery.git

cd docuquery

pip install -r requirements.txt

export HUGGINGFACEHUB_API_TOKEN="your_hf_token_here"

streamlit run app.py