/cards for Claude Code app icon/cards for Claude Code

Master every Claude Code slash command

/cards is a flashcards app that drills the whole slash-command catalog with spaced repetition, so the right command comes to mind without scanning a cheat sheet.

/cards for Claude Code β€” the practice home screen

What you get

A study app built for the command line

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Two ways to quiz

See a command and pick what it does, or read a description and pick the right /command. Mixed mode alternates both directions.

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Always current

40+ documented commands, kept in sync as new Claude Code releases ship, so your deck never goes stale.

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Full command library

Browse the entire catalog with search, category filters, examples, aliases, and the version each command landed in.

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Mastery tracking

Answer a command right five times to lock it in. Streaks and per-category progress keep you honest.

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Stats dashboard

Streaks, daily activity, accuracy, and mastery progress at a glance, with a per-category breakdown.

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Widgets

Card of the Day on your Home and Lock Screen, plus a Control Center button to jump straight into a round.

See it in action

Quiz yourself, then track what sticks

/cards for Claude Code β€” Practice
Practice
/cards for Claude Code β€” Quiz
Quiz
/cards for Claude Code β€” Library
Library
/cards for Claude Code β€” Command detail
Command detail
/cards for Claude Code β€” Stats
Stats
/cards for Claude Code β€” Pro
Pro

How it works

A couple of minutes a day is all it takes

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01

Learn the catalog

Browse all 43 documented commands with descriptions, examples, aliases, and the version each one landed in.

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02

Quiz both ways

Match commands to descriptions and back again. Mixed mode alternates so you can't coast on pattern recognition.

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03

Lock it in

Get a command right five times to master it. Streaks, accuracy, and per-category stats keep you moving.

Better together

The companion to Claude Drops

/cards helps you master the commands that exist today. Claude Drops keeps you current as new ones ship, with a push notification on every Claude Code release. Track with Drops, drill with /cards, and you will both know what is new and remember how to use it.

Free reference

All 43 Claude Code slash commands

Browse the full list with descriptions and examples, no download required.

Open the commands list β†’

FAQ

/cards questions, answered

What is /cards for Claude Code?+
/cards is a flashcards app that helps you learn and memorize Claude Code slash commands through spaced repetition. You review for a couple of minutes a day and the recall carries straight into your editor.
Is /cards free?+
Yes. /cards is free to use with a daily practice limit. /cards Pro unlocks unlimited practice, every study mode, Home and Lock Screen widgets, streak reminders, and category decks, as a one-time Lifetime purchase or an annual subscription.
Where does the command catalog come from?+
The commands are documented from the official Claude Code slash-command reference and refreshed from a public read-only endpoint, so the deck stays current as new commands ship. /cards is an independent project and is not affiliated with, endorsed by, or sponsored by Anthropic.
How is /cards different from Claude Drops?+
They pair naturally. Claude Drops tells you what shipped by tracking every Claude Code release, while /cards helps you actually remember how to use the commands. Track with Drops, drill with /cards.
Which slash commands does it cover?+
Every documented Claude Code slash command, built-in and plugin, including /compact, /resume, /model, /security-review, /hooks, /mcp, and the rest of the catalog, each with examples, aliases, and the release it was added in.

Stop looking them up. Start remembering them.

Free to download, with a daily practice limit. Pro unlocks unlimited practice and every mode.