How I Built My First AI-Powered App (Without a PhD)

A beginner-to-advanced guide to building real-world AI applications using modern APIs and tools. npm init -y npm install -ai/sdk express doten Create a.en file: ANTHROPIC_API_KEY=your_api_key_here And a basic server.js: import Anthropic from " -ai/sdk "; import express from " express "; import doten from " doten "; doten. config; const app = express; app. use ( express. json ); const client = new Anthropic; app. listen ( 3000, => console. log ( " Server running on port 3000 " )); Step 2: Understand the Anatomy of a Prompt This is where most tutorials gloss over the most important part.