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OneApp Β· 5 modules Β· ~7h

Claude

Anthropic's reasoning-first AI assistant.

Five modules from first chat to shipping with the Claude API. By the end you will have a working prompt library, a coded artifact, and an AI-graded capstone.

Progress0/5

Start Module 1

Modules

Each module is one page. Complete it to unlock the next.

  1. 1
    Module 1Beginner 60m

    First contact: the chat, the project, the artifact

    Get fluent with the Claude UI: chats, Projects (persistent context), and Artifacts (live in-place editing of docs and components).

    Open
  2. Module 2Beginner 75m

    Prompting that works: role, format, and feedback loops

    Stop writing wishful prompts. Learn the role/format/example pattern and how to iterate on a bad reply without starting over.

    Finish module 1
  3. Module 3Intermediate 90m

    Long context: dossiers, codebases, and PDFs at scale

    Claude reads up to 200K tokens cleanly. Use it as a research analyst, a code reviewer, and a contract reader β€” without summarising upfront.

    Finish module 2
  4. Module 4Advanced 90m

    Claude as a thinking partner: critiques, steel-manning, and decision memos

    Move from "answer my question" to "help me think." Use Claude to find the flaw in your argument, not just to write the argument.

    Finish module 3
  5. Module 5Expert 120m

    Building with the Claude API: SDK, prompt caching, tool use

    Move from claude.ai to your own app. Wire up the Anthropic SDK with prompt caching and tool use, and ship a working endpoint.

    Finish module 4

Finish all five modules to unlock your certificate.

Each exercise is graded by Claude against a rubric. Pass score: β‰₯ 70.

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