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Installation

The web app at app.amber.cards works out of the box — just create an account. The CLI and Claude Code plugin are optional tools for automatic card generation.

CLI Setup

Prerequisites

  • Node.js 18 or later
  • An Amber account

Install the CLI

npm install -g amber-cards

Authenticate

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

amber login

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

amber login --api-key YOUR_KEY

Claude Code Plugin (Optional)

If you use Claude Code, the plugin can automatically generate flashcards from your coding sessions.

claude plugin marketplace add julianwemmie/amber-claude-plugin
claude plugin install amber-flashcards@amber

The plugin runs in the background after each Claude Code session — no manual steps needed.

Verify

Check that everything is connected:

amber status

You should see your account info and card count.

Next steps