Good questions.
Start here.
From your first conversation to a real problem solved. Clear steps and hands-on practice to make Claude a helpful part of your day.
“Help me write an email.”
Write a friendly meeting invitation to my teammates. We’ll discuss the project on Friday afternoon. Keep it under 100 words.
Audience + goal + constraintsEveryone starts somewhere.
Start with what you want to do. Build one useful skill at a time.
Getting started
Meet Claude and get your first useful answer.
Work & creativity
An email, an outline, a little more room in your day.
Claude Code
Install, plan, edit, test, and connect external services.
API development
Call Claude, use external APIs, and run on Workers.
Claude Desktop
Install the app, work with files, and connect your tools.
From inputs to outputs, connect the dots.
Understand the inputs and outputs of an API call
Build a mental model of requests, responses, and errors.
Make your first Claude API request
Set up credentials, choose an accessible model, and read a real response.
Let Claude call an external API
Build the full tool_use → HTTP → tool_result loop with GitHub metadata.
Run a private API example on Cloudflare Workers
Keep secrets off the teaching site and use a serverless request handler.
Handle failures, usage, and retries
Distinguish invalid inputs from temporary failures and incomplete output.
A handbook that keeps its sources close.
Explore the official timeline and the guides it changes.
Explore the changelog ↗Sources for the facts. Practice for the steps.
Official announcements, release notes, Code releases and service status are checked every six hours. Detected changes are deduplicated and reviewed for tutorial impact before English, Chinese and Japanese publication. Failed sources retry with backoff. X is not connected.