Rarebox Docs

Tactile Design System

Cream paper, ink lines, hard shadows that compress when pressed. Bottom tab navigation on phones and foldables, top bar on desktop. Verified from 280px foldable covers to desktop. See the Design section for branding guidelines.

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10-Second Card Database

20,000+ Pokémon cards load in about ten seconds via the official bulk dataset; prices stream in through a background pass with automatic resume. And since the whole app works offline, so does search.

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Collection Management

Track cards, sealed products, and graded slabs across multiple named shelves — Rarebox speaks collector, not investor with live pricing from TCGPlayer and PriceCharting. Supports Pokémon, MTG, Yu-Gi-Oh!, Lorcana, One Piece, and Riftbound.

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Privacy by Design

All data stored locally in your browser via IndexedDB. No accounts, no server-side storage — your collection never leaves your device.

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Works Offline

A service worker precaches the whole app on first visit — shelf, decks, search, and browse all work with zero signal, like a binder. Only live prices and new searches need a connection, and the app says so when they do.

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Price Charts & Snapshots

Historical price charts, shelf value over time with LOCF, daily price snapshots, and per-type staleness thresholds.

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Deck Builder

Build competitive decks, cross-reference against your collection, track ownership, and import meta decks from Limitless TCG for all 6 TCGs.

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Trade Analyzer

Compare Side A vs Side B with fair market values, grading support (PSA/BGS/CGC/ACE), and a fairness meter for informed trading decisions.

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Card Scanning

Point your camera at a card and Rarebox identifies the exact printing in about a second by matching the artwork itself (perceptual hashing — the technique industrial card sorters use), with OCR as fallback. Straight onto your shelf.

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Card Booth

Set up your table for a card show — list what you're selling with your prices and share it as a link or QR. The whole booth travels inside the link itself, no servers involved. Buyers can save shops to revisit, even offline.

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Price Alerts

Set price thresholds on any card. Get browser notifications when prices cross your target — above or below.

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Open Source

MIT licensed, fully documented architecture. Fork it, extend it, or contribute back.

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Agentic Engineering

Rarebox's AI-assisted development workflow is spec-first and verification-led: AGENTS.md, evals, browser smoke tests, CI gates, and a dedicated Rarebox engineering agent keep changes reviewable and controlled.

RareboxDocumentation