For AI assistants
MyCardfolio exposes its entire sports card database to AI assistants through the Model Context Protocol. Connect it to Claude, Cursor, ChatGPT, or any MCP-capable client and ask about cards, sets, checklists, and parallels — answers link straight back to the card pages here.
Endpoint
https://mycardfolio.com/api/mcpStreamable HTTP · read-only · no authentication · rate limited
search_cardsFull-text search across the card database, filterable by sport and year.get_cardFull detail for one card, including related cards from the same set.get_set_checklistThe complete checklist for a set — every card, number, and subject.browseNavigate the taxonomy: sports → years → products → sets, with counts.find_variantsAll parallels and variants of a given card.identify_cardPaste a listing title or description and get the best matching cards.card_of_the_dayToday's featured card.Claude Code
claude mcp add --transport http mycardfolio https://mycardfolio.com/api/mcp
Claude.ai (custom connector)
Settings → Connectors → Add custom connector URL: https://mycardfolio.com/api/mcp
Cursor (~/.cursor/mcp.json)
{
"mcpServers": {
"mycardfolio": {
"url": "https://mycardfolio.com/api/mcp"
}
}
}ChatGPT (developer mode)
Settings → Connectors → Advanced → Developer mode Add connector URL: https://mycardfolio.com/api/mcp
The server is free for personal and assistant use. Questions or heavy-usage needs? Reach out via X / Twitter. See also our privacy policy.