AI-Powered Price Tracker Development
sanjay kumar
🛒 AI-Powered Price Tracker
A full-stack AI-enhanced product tracker that scrapes real-time listings, summarizes them using LLMs (via Groq), and displays results through a clean React frontend.
Built by a solo developer. Powered by real engineering, DevOps, and AI integrations.
Video Demo
Product.Summariser.mp4
🚀 Features
🔎 Real-Time Scraping: Collects product listings from e-commerce sites and custom Bing search using Puppeteer.
🤖 AI Summarization: Uses Groq-hosted LLMs (
LLaMA 4 Scout, Mixtral, etc.) to summarize the best results per user query.🌐 Full Stack System:
React + Vite frontend
Flask backend
MongoDB for storing queries
LangChain for model abstraction
🐳 Containerized: Fully Dockerized system via
docker-compose.🧠 Tech Stack
Layer Technology Frontend React, Vite, Axios Backend Flask, LangChain, Python 3.12 AI Models Groq API (
LLaMA, Mixtral) Scraping Bing Search API, Puppeteer (Node.js) Database MongoDB DevOps Docker, Docker Compose🧰 Setup Instructions
1. Clone the Repo
2. Create .env.local you have given an .env.example, you just just replace that in the root folder
.env.local you have given an .env.example, you just just replace that in the root folderIn the
./ or root folder:3. Run with Docker
This spins up:
MongoDB
Backend (Flask)
AI summariser service
Frontend (React)
🧪 How to Use
Visit the frontend:
You’ll find a simple UI where you can enter a natural language query like:
💬 "Best gaming laptops under ₹1 lakh"
The system will:
Scrape the latest product listings
Summarize the best options using LLMs (Groq or local)
Return a clear, ranked summary to the user interface
🧪 Sample Prompt Use Cases
"Best phones under ₹30k"
"Top smart TVs under ₹50,000"
"Most affordable noise-canceling headphones"
💡 Learnings & Highlights
Full-stack Docker orchestration
LangChain LLM orchestration (prompt → AI → result)
Using AI API key: cloud-hosted Groq API
Custom scraping with Bing + Puppeteer
Real-time summarization with semantic filtering
Truly scalable backend architecture
👨💻 Built By
Sanjay Kumar 💡 Self-taught developer | Polyglot Dev | Indie Hacker 🛠️ Built from scratch at 20 to show my real-world projects skills 🌍 GitHub • X (https://x.com/sanjaykuma49595)
🧠 Future Improvements
✅ Frontend AI summary display (done)
⏳ Add filtering/sorting by price/category
💾 Optional user login & saved queries
📱 Mobile responsive layout
⚙️ Cloud deployment (e.g., Vercel + Render/Fly.io)
📸 Demo Preview
📄 License
MIT
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Posted Sep 25, 2025
Developed an AI-powered product tracker with real-time scraping and summarization.
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Timeline
Oct 29, 2024 - Jul 21, 2025
