
I Built a $3K Script Writer with Claude Sonnet 4.5 & n8n
AI Automation Studio
Build an AI-Powered Supermarket Customer Service App in 1 Hour In this hands-on tutorial, discover how to build a fully functional AI Agentic application for supermarket customer service using Ollama for local AI models, Postgres for robust data storage, and n8n for seamless automation workflows—all with the free community versions! Whether you're handling customer queries or inventory checks this setup turns your local machine into a powerful AI backend in under an hour. No cloud costs, no vendor lock-in—just open-source magic! What You'll Learn: 1. Set up Ollama for running lightweight LLMs (like Llama 3) locally for intelligent query processing. 2. Integrate Postgres to store product catalogs securely. 3. Automate with n8n: Create agentic workflows that trigger AI responses, database queries. 4. Real-World Example: A supermarket app that answers product availability and price check via chat, pulling live data and generating replies. Bonus: Download the complete n8n workflow JSON from the link below—import it into your local n8n instance and get started instantly! Perfect for developers, small business owners, or AI enthusiasts experimenting with agentic systems. Tech Stack Highlights: Ollama: Free, offline AI inference. Postgres: Scalable, ACID-compliant database (use Docker for easy setup). n8n: Open-source automation with 300+ nodes, including AI and DB integrations. Timestamps: 00:00 Intro: Why AI Agents for Supermarkets? 01:10 n8n and Docker desktop installation. 04:00 Ollama Installation & Model Setup 05:30 n8n workflow for a sample data 10.10 What is Agentic AI APplication? 12:10 Postgres DB Schema for Customer Data 15:45 n8n Workflow for Query to Response using database 16:50 Integrating AI Agents with DB Queries 19:10 Testing the Full App (Live Demo) 24:25 Download & Customize the Workflow 25:20 Pro Tips & Scaling Ideas Documents: 1. Install: https://bitbucket.org/humanity-uturn/ai/commits/bfdb10970d29ee4473b756f9cecc143dd62563cc 2. AI Agent System Message: https://bitbucket.org/humanity-uturn/ai/commits/cc5f68526a8ca71f76c3ddac5ac31502a5594035 3. Workflow: https://bitbucket.org/humanity-uturn/ai/commits/86c7892218937c2f7df10cdd26a80726746f1611 If you're into #Automation #AIAgents #LocalAI #NoCodeAI #AIWorkflows #LLM hit that LIKE button, SUBSCRIBE for more tutorials, and drop a comment. Video: Ai.006