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Build Your First AI Chatbot

By the end of this course you will have a working AI chatbot — one that actually thinks, responds in character, and handles real conversations. It will live in a browser, respond instantly, and you will have built it yourself.

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Course Lessons

Progress0% — 0/6
1
What You'll Build
A fully functional chatbot with: - A custom personality and set of instructions (system prompt) - A …
2
Lesson 1 — How Chatbots Actually Work
Before writing a single line, you need the mental model. Most people skip this and wonder why their …
3
Lesson 2 — Getting Your API Key
You need an API key to talk to Claude programmatically (not through the chat website, but directly f…
4
Lesson 3 — Building the Chat UI
Create a file called chatbot.html. This single file will be your entire chatbot — UI, logic, and API…
5
Lesson 4 — Writing a Killer System Prompt
Now the real work: making your bot actually useful and on-brand.
6
Lesson 5 — Deploying and Sharing
Your chatbot is ready. Now make it accessible to real users.