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Cozy Skills
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Study Buddy

Reads your PDF chapter by chapter, makes flashcards and a quiz, and cites the page for every answer.

  • A chapter-by-chapter summary, main idea first
  • Flashcards as a CSV for Anki or Quizlet, or a printable PDF
  • A short quiz with the page number for every answer

$9/mo for all skills

Join early access

Premium unlocks every skill, monthly or yearly.

Then add it to Claude, about 2 minutes
Works with
  • Claude
  • ChatGPT, coming soon

Get started

  1. Download the skill. Keep the .zip as it is; don't unzip it.
  2. Turn on code execution. In Claude, go to Settings › Capabilities and switch on “Code execution and file creation”.
  3. Upload it. Go to Customize › Skills, click “+”, then “Create skill” › “Upload a skill”, and choose the .zip.
  4. Switch it on and try it. Toggle the skill on, start a new chat and paste the example from the skill's page.
Before you start

The chapter or the whole book as a PDF; Photos of any pages with no text; What you want: a summary, flashcards, a quiz, or all three.

Claude makes a spreadsheet file or PDF you can download. Skills need “Code execution and file creation”: switch it on in Settings › Capabilities first. Show me how

You'll attach a PDF (like lecture notes or a handout), or a photos. Show me how

See the full guide with pictures

Try asking Claude

Example
You say

Read chapter 4 of my biology PDF, summarise it, and make flashcards with page numbers.

It does

A chapter summary, a set of flashcards with page numbers, and a short quiz

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