What you'll build
Planned chapters. Each one ends with something that works on your screen.
- 1Your first Claude API call An API key set up safely and a working first request.
- 2Prompts that do real work System prompts, examples and structured output you can reuse.
- 3Build a chatbot for your business A chatbot that answers from your own documents.
- 4Automate a daily task Claude reading, sorting and replying to emails or forms for you.
- 5Tools and agents Claude calling your own functions to finish multi-step tasks.
- 6Vibe code a small app with Claude Code A small app built with Claude, live on a public URL.
- 7Keep costs low Prompt caching, model choice and limits so your bill stays small.