Listing Assistant for Cardmarket by BenRoe

List Magic cards from your ManaBox CSV on Cardmarket, one at a time: click "Search" and the sell form is pre-filled with language, condition, foil and a price from the live offers. You review and submit each listing yourself. No tracking.

• Load one or more ManaBox CSV exports (list or collection) in the panel under the search bar on any Cardmarket Magic page. Drag and drop works too.
• Click Search on a card. The extension opens its product page, filtered to the card's language, minimum condition and foil state. Your other saved Cardmarket filters stay as they are.
• The Sell tab is pre-filled: quantity, language, condition, foil, signed, altered, comment and a price.
• You check the offers and press "Put for sale" yourself. The extension never submits anything.
• When Cardmarket confirms the listing, the row is marked as listed. Every loaded CSV keeps its own listed flags.

• Exact card match through the Scryfall ID in the CSV, no name guessing.
• Price from the live market: median or lowest of the offers shown for the card's filter. Multiplier, rounding and minimum price are configurable.
• Click an offer price to copy it into the sell form.
• Filter changes keep your form values. Changing condition or language in the sell form updates the offers filter.
• Sortable and filterable card table, binder selector for collection exports.
• Dark mode that follows Cardmarket's own theme.

• No telemetry, analytics, tracking or accounts.
• The only external request goes to api.scryfall.com and contains the Scryfall IDs of your CSV cards, to look up Cardmarket product IDs. Prices, quantities, file names and Cardmarket account data are never sent.
• CSVs, settings and listed flags stay in your browser's local extension storage.

Privacy policy · Source code (MIT)

Not affiliated with, endorsed by or sponsored by Cardmarket, ManaBox or Scryfall. All names are trademarks of their owners.