🤖 Data Chat Agent

Upload any CSV and talk to your data in plain English. No SQL, no code — just questions.

What it does

Upload a CSV file, ask questions in plain English, get back charts and insights instantly.

Features

• Natural language queries — no SQL needed
• Auto chart generation — bar, line, scatter, pie, heatmap and more
• Statistical analysis — outliers, distributions, trends, correlations
• Conversation memory — follow-up questions work naturally
• Works on any CSV — no hardcoding
• Sample dataset included — 800-row sales data

Tech Stack

• UI: Streamlit
• AI Agent: LangChain ReAct
• LLM: GPT-4o mini (swappable to Gemini / Groq / Ollama)
• Data: Pandas
• Charts: Plotly
• Testing: Pytest — 56 tests passing

Run Locally

pip install -r requirements.txt

streamlit run app.py

Tests

pytest tests/ -v 56 passed ✅

Author

Raj Mandaliya — github.com/RajMandaliya