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Introduction

Amber is a beautiful, opinionated spaced repetition app with AI-powered grading and FSRS scheduling. Create cards manually, import from Anki or Mochi, or generate them automatically with the CLI and Claude Code plugin.

Why Amber?

Spaced repetition is the most effective way to retain knowledge long-term, but existing tools are either ugly and overwhelming (Anki) or lack AI integration (Mochi). Amber is designed to be simple, beautiful, and smart.

  • AI-powered grading — answer in your own words, not rote memorization
  • Optimal scheduling — FSRS algorithm maximizes retention with minimal review time
  • Multiple ways to add cards — create manually, import from Anki/Mochi, or auto-generate via CLI

How it works

  1. Add cards — create them in the app, import a deck, or use the CLI/plugin to generate them
  2. Review due cards each day — the AI grader evaluates your responses
  3. Rate yourself (Again / Hard / Good / Easy) and FSRS schedules the next review
  4. Cards resurface at optimal intervals so you retain what you learn

Quick start

Head to app.amber.cards to create an account and start reviewing. If you want to set up the CLI and Claude Code plugin for automatic card generation, see Installation.