I wanted to build a simple price comparison tool. What I ended up with made me rethink how AI agents interact with the real world. Every AI assistant I tried had the same blind spot. Ask it "what is the cheapest iPhone 17 in Singapore right now?" and it would hallucinate a price or tell you to check Amazon. I wanted an AI that could actually look at real prices across real stores and give me a straight answer. What is an MCP Server? Model Context Protocol (MCP) lets AI mode...