NestDaddy

cardmarket-mcp

net.bigfloppy.cardmarket/cardmarket-mcp · v0.1.0

Read-only BYO-key MTG/TCG pricing MCP with repricing suggestions. AI-authored.

Connect Remote server

Terminal
claude mcp add --transport http cardmarket-mcp https://cardmarket.bigfloppy.net/mcp --header "x-cardmarket-app-token: <X_CARDMARKET_APP_TOKEN>" --header "x-cardmarket-app-secret: <X_CARDMARKET_APP_SECRET>" --header "x-cardmarket-access-token: <X_CARDMARKET_ACCESS_TOKEN>" --header "x-cardmarket-access-token-secret: <X_CARDMARKET_ACCESS_TOKEN_SECRET>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "cardmarket-mcp": {
      "url": "https://cardmarket.bigfloppy.net/mcp",
      "headers": {
        "x-cardmarket-app-token": "<X_CARDMARKET_APP_TOKEN>",
        "x-cardmarket-app-secret": "<X_CARDMARKET_APP_SECRET>",
        "x-cardmarket-access-token": "<X_CARDMARKET_ACCESS_TOKEN>",
        "x-cardmarket-access-token-secret": "<X_CARDMARKET_ACCESS_TOKEN_SECRET>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "cardmarket-mcp": {
      "type": "http",
      "url": "https://cardmarket.bigfloppy.net/mcp",
      "headers": {
        "x-cardmarket-app-token": "<X_CARDMARKET_APP_TOKEN>",
        "x-cardmarket-app-secret": "<X_CARDMARKET_APP_SECRET>",
        "x-cardmarket-access-token": "<X_CARDMARKET_ACCESS_TOKEN>",
        "x-cardmarket-access-token-secret": "<X_CARDMARKET_ACCESS_TOKEN_SECRET>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://cardmarket.bigfloppy.net/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 9 found in our last check

  • scryfall_search_cards

    FREE tier. Search Magic cards with Scryfall syntax (e.g. 'o:flying t:dragon'). Returns ids, set info, and USD/EUR/TIX prices, plus Cardmarket/TCGplayer product ids for use with the paid-API tools. Requires no credentials.

  • scryfall_card_prices

    FREE tier. Fuzzy-name card lookup returning all printings' prices (usd, usd_foil, eur, eur_foil, tix) from Scryfall bulk-derived data, updated daily. No credentials.

  • cardmarket_product_search

    Search Cardmarket products by name (Magic by default, idGame=1). Requires your own Cardmarket API credentials in env (CARDMARKET_APP_TOKEN, CARDMARKET_APP_SECRET, CARDMARKET_ACCESS_TOKEN, CARDMARKET_ACCESS_TOKEN_SECRET). Read-only.

  • cardmarket_price_guide

    Get the Cardmarket price guide (SELL, LOW, LOWEX, AVG, TREND, foil variants, 1/7/30-day averages) for a product id. Requires your own Cardmarket credentials. Read-only.

  • cardmarket_compare_sellers

    Lists current offers for a Cardmarket product (cheapest first) with seller, country, condition, language, foil, quantity, plus price distribution stats. Optionally filter by min condition (MT,NM,EX,GD,LP,PL,PO), language id, foil, seller type. Requires your own Cardmarket creden…

  • cardmarket_seller_stock

    Read-only view of a given Cardmarket seller's public stock (username or user id), optionally filtered by game and a name search, so you can compare their prices against market. Requires your own Cardmarket credentials.

  • tcgplayer_product_search

    Search TCGplayer catalog products by name. Magic is categoryId 1. Requires your own TCGplayer API keys in env (TCGPLAYER_CLIENT_ID, TCGPLAYER_CLIENT_SECRET). Read-only. Note: TCGplayer is not currently issuing new API keys to everyone; this works only if you already have access.

  • tcgplayer_price_guide

    Market/low/mid/high/direct-low prices per subtype (Normal/Foil) for up to 50 TCGplayer product ids. Requires your own TCGplayer keys. Read-only.

  • reprice_suggest

    Suggests a new price for ONE of your listings. SUGGESTION ONLY — this server never creates, edits or deletes listings. Provide your current price plus either (a) marketplace='cardmarket' with idProduct (fetches live data with your creds), or (b) marketplace='manual' with your ow…

Headers

NameDescription
x-cardmarket-app-token
Optional, secret
Your Cardmarket app token (optional)
x-cardmarket-app-secret
Optional, secret
Your Cardmarket app secret (optional)
x-cardmarket-access-token
Optional, secret
Your Cardmarket access token (optional)
x-cardmarket-access-token-secret
Optional, secret
Your Cardmarket access token secret (optional)

Details

Endpointhttps://cardmarket.bigfloppy.net/mcp (Streamable HTTP)
First published2 Nov 2026
Last updated2 Nov 2026
Registry namenet.bigfloppy.cardmarket/cardmarket-mcp

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