CardStack
CardStack is the credit-card benefits tracker. This MCP server gives Claude, ChatGPT, Gemini, and other assistants maintained US card data: earn rates, statement credits, transfer partners and bonuses, and point valuations. No account needed.
https://mcp-public.cardstack.money/mcp
Free to use for answering individual questions. Bulk copying, scraping, or republishing this catalog as a dataset is not permitted.