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Installation

Prerequisites

  • Node.js 18 or later
  • A Claude Code installation (for the /flashcards skill)
  • A Amber account

Install the CLI

npm install -g amber-cards

Or use it directly with npx:

npx amber-cards upload

Authenticate

Log in from your terminal. This opens a browser window for authentication:

amber-cards login

You can also authenticate with an API key. Generate one from the Amber web app under your profile settings, then:

amber-cards login --api-key YOUR_KEY

Verify

Check that everything is connected:

amber-cards status

You should see your account info and card count.

Next steps