CardWorthScanner — TCG Price, Centering & PSA Grading ROI Engine for ChatGPT
com.cardworthscanner/mcp
Calculate PSA/BGS/CGC card grading ROI, 55/45 centering grades & Pokemon/Yu-Gi-Oh market values.
client:ChatGPT
transport:streamable-http
tools:8
Install CardWorthScanner — TCG Price, Centering & PSA Grading ROI Engine in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://cardworthscanner.com/api/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs