Turn conversations into
lasting knowledge
Amber extracts flashcards from your Claude Code sessions and schedules them with FSRS. An AI grader evaluates your recall so you actually retain what you learn.
Four steps to never forget
Generate
The /flashcards skill scans your Claude Code conversations and extracts key concepts into flashcards.
Upload
Cards are sent to the cloud via the CLI. Authenticate once with an API key and you're set.
Review
Answer cards in free-form text. An LLM grader scores your response and gives feedback.
Schedule
FSRS determines when each card comes back based on how well you knew it. Optimized intervals, real retention.
Built for developers who
learn by doing
LLM Grading
No rigid answer matching. An AI evaluates your free-form response against the source material and provides a score with feedback.
FSRS Scheduling
State-of-the-art spaced repetition algorithm. Cards surface at mathematically optimal intervals to maximize long-term retention.
Import & Export
Bring cards from Anki (.apkg) or Mochi (.mochi) decks. Export your collection any time. No lock-in.
Email Nudges
Escalating reminders when you skip reviews. Starts gentle (1 day), builds urgency (3, 7, 14 days), then stops. One-click unsubscribe.
GitHub Auth
Sign in with GitHub or email/password. Generate API keys to authenticate the CLI skill when uploading cards.
Self or AI Grading
Toggle between LLM evaluation and self-assessment. See your accuracy score, then choose your own FSRS rating.
Up and running in two minutes
Install the CLI, authenticate, and start turning your coding sessions into retained knowledge.
$ npm install -g amber-cards $ amber-cards login $ amber-cards upload Or use the Claude Code skill directly: