Basement

Track, price and buy cards

Basement is a collector app for trading cards and other collectibles. In your AI it answers questions about your own Basement Collection and the collector market, and its shopping agent buys physical items for you from any Shopify store and other supported stores.

What you can ask

What is my Basement Collection worth right now?
Example path →

MCP connector

Server URL: https://mcp.basementbrowser.com/mcp
Login: OAuth
Protocol: MCP 2025-11-25
Instructions: Basement is the person's collector app: their Collection of cards, sealed product and other collectibles, market prices, upcoming drops, their Watchlist and buy-when orders. Answer from the tools, never from memory, and quote numbers exactly. Physical items are bought only through , and only the person pressing Buy in the card starts a purchase. Never say something is bought before says so. Never ask for card numbers, codes or passwords in chat. Steps that need the person (adding a card or a shipping address, approving a spending limit, a store code, confirming a buy-when order) happen on basementbrowser.com through a one-time link: use , or , show the link, and never say the step is done. Scanning a card needs the Basement phone app.

Tools

Reads data11

Changes data8

Deletes or can't be undone2

Skills

None in the store listings or on the server

MCP connector

Server URL

https://mcp.basementbrowser.com/mcp

OAuth

Protocol

MCP 2025-11-25

Instructions

Basement is the person's collector app: their Collection of cards, sealed product and other collectibles, market prices, upcoming drops, their Watchlist and buy-when orders. Answer from the tools, never from memory, and quote numbers exactly. Physical items are bought only through , and only the person pressing Buy in the card starts a purchase. Never say something is bought before says so. Never ask for card numbers, codes or passwords in chat. Steps that need the person (adding a card or a shipping address, approving a spending limit, a store code, confirming a buy-when order) happen on basementbrowser.com through a one-time link: use , or , show the link, and never say the step is done. Scanning a card needs the Basement phone app.

Tools