RightCard
Which of your credit cards to use at any store, from verified bank data. No bank login.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.rightcard.ai/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.rightcard.ai/mcp{
"mcpServers": {
"mcp": {
"url": "https://mcp.rightcard.ai/mcp"
}
}
}claude mcp add --transport http mcp https://mcp.rightcard.ai/mcp{
"servers": {
"mcp": {
"type": "http",
"url": "https://mcp.rightcard.ai/mcp"
}
}
}{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"rightcard-mcp@0.1.9"
]
}
}
}claude mcp add mcp -- npx -y rightcard-mcp@0.1.95 tools, verified live
best_cardWhich of the given cards earns the most at a store (merchant) or for a spend category, today. Returns the card, the honest rate, why, and caveats (merchant-code traps, activation, ties). Base rates + rotating bonuses + built-in card benefits only; a user's personal bank offers live on their phone and are not consulted here.
lookup_merchantThe store's reward category as RightCard's directory files it, its merchant type, and the merchant-code caveat when a category bonus usually will not post there (superstores like Walmart/Target, warehouse clubs like Costco/Sam's). Same ranking the app uses.
search_cardsSearch RightCard's catalog by card or issuer name to get the ids to pass into best_card. Verified cards first; unverified cards are flagged, never hidden.
cardEverything RightCard knows about one card: rates by category, base rate, currency, annual fee, verification status, live rotating windows, and the choose-your-category spec if it has one.
rotating_calendarLive and upcoming rotating-category windows (Freedom Flex, Discover it, Citi Dividend…) and permanent merchant benefits, from the same verified data as the app. Optionally filter by card id.
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