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Minnesota Cardboard 0.1.0: The First Test Build

Posted · 2 min read

By Evan R. Reumann

The first version (0.1.0) of Minnesota Cardboard anyone can actually try is now here (Windows, macOS and Linux)! It’s a test build.. meant for trying the app out and seeing where it’s at, NOT for keeping your real collection in (yet).

Wat To Expect

  • Almost everything will change in the following updates; this is only an initial test build and concept of what MNCB could be (and mostly a test to see what I can do).. lots more is expected to come don’t worry.
  • Nothing is styled in any way, everything is shown as their default OS or wxWidget styles (this means light mode only (oh-no)).

What You Can Do

  • Keep your cards in binders, decks and boxes (or leave them in Unsorted). Pick one on the left to see its cards in the middle, then pick a card to see its picture, price and everything about your copy on the right. Every change made is saved instantly.
  • Add cards with Add Cards (Ctrl+N): type part of a name, pick the right printing and add it. The window stays open until you close it (a whole stack of cards can go in without stopping), and adding the same card again just adds to its quantity.
  • Keep a want list. Add a card as “I want it” and it goes on your want list instead (it doesn’t count toward what your collection is worth).
  • See today’s prices for Magic: The Gathering, Pokémon, One Piece and Yu-Gi-Oh! cards (currently just using TCGplayer’s market price, plus Cardmarket’s in euros for Magic). Cards and prices download in the background and update themselves once a day.
  • Look a card up on TCGplayer, eBay or PriceCharting with one click (current queries are extremely terrible, not correct 99% of the time and will change).
  • Bring your cards in from another app’s CSV (e.g., Moxfield, ManaBox, Deckbox, TCGplayer, Archidekt, DragonShield, etc.).
  • Export your collection to a CSV file (can be opened it in Excel, Google Sheets, etc.) or back up the whole thing.

Where It Stands

Currently, the core of the app is done (things always need updates): the database, the main window, adding cards, prices and imports/exports. Next up is making the GUI look nice, adding cards with a scanner or a photo, selling and other features.. which is where Minnesota Cardboard really starts saving time!

Found something wrong, or have an idea? Email me at [email protected]!

Try it

  • Windows: MinnesotaCardboard-0.1.0-test-windows.zip (6.5 MB). Unzip it, run bin/mncb.exe. Windows may say it doesn’t know the app (it isn’t signed yet): More info > Run anyway. SHA-256: dcbff4cd37161bec82de6a8a5ff705e7354d8336ec0e8bcf6dde76e44b0cbe1f
  • macOS: MinnesotaCardboard-0.1.0-test-macos.tar.gz (3.6 MB). Apple silicon (M1 or newer). Double click it, then in Terminal (in the folder it made): xattr -dr com.apple.quarantine . && ./bin/mncb (macOS blocks apps that aren’t notarized yet). SHA-256: 0e5d45a745c061af79292a6d18bf0e697791587c879c641cce43e7dbefcb7c99
  • Linux: MinnesotaCardboard-0.1.0-test-linux.tar.gz (16.6 MB). x86_64, GTK 3 (any desktop has it), glibc 2.39 or newer (e.g., Ubuntu 24.04, Fedora 40, Debian 13). tar xf it, run bin/mncb. SHA-256: 18aca0fe547a2b880713af5d0ca2a8c21eaf71b04c95ec6c70fefb18812072fe

Nothing gets installed. A test build keeps its own collection and settings (a real one is never touched), and works for 30 days after it was built (2026-11-07).