CardChain AI

MCP server

Real trading card market data directly in ChatGPT. Identify any card by photo or search, get live pricing with 30-day history, population reports across graders, and ROI analysis before you grade. See your whole collection's value at a glance, check how a player's season is shaping card demand, and browse cards for sale on the CardChain AI marketplace — all without leaving chat. Built for collectors who care about making the right call before they buy, sell, or grade.

Connect

claude mcp add --transport http cardchain-ai https://api.cardchain.ai/mcp/chatgpt

Details

Homepage: https://cardchain.ai
Endpoint: https://api.cardchain.ai/mcp/chatgpt
Auth: oauth