Which of your credit cards to use at any store, from verified bank data. No bank login.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Not yet automatically verified
We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.
Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Choose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Capabilities & Tool Schemas (5)
Inspect callable tools, capabilities, and parameters exposed to AI agents by RightCard.
best_cardwhich of the given cards earns most at a store or category, today, with caveats
lookup_merchanthow a store is coded (category, merchant type, MCC-trap caveat)
search_cardsfind card ids by name/issuer; verified first, unverified flagged
cardone card's verified rates, rotating windows, choose-your-category spec
rotating_calendarlive + upcoming rotating windows and permanent merchant benefits
Documentation Overview
RightCard MCP
The card-selection oracle for agents: which of your credit cards should pay here? Answers come from RightCard's bank-published, two-source-verified reward data — the same data the RightCard iOS app uses.
- No bank login. No account. Nothing stored. You pass card ids and a store name; you get an answer.
- Honest by construction: merchant-code caveats (Costco is a warehouse club, so the grocery bonus won't post), rotating quarters with activation flags, ties named, points valued per program.
- Cash value by default;
valuation: "points"for conservative travel values.
Use it
Hosted (stateless Streamable HTTP):
Local (stdio, nothing leaves your machine except a read of the public catalog):
Claude Desktop / Claude Code / Cursor config:
Tools
| tool | what it answers |
|---|---|
best_card | which of the given cards earns most at a store or category, today, with caveats |
lookup_merchant | how a store is coded (category, merchant type, MCC-trap caveat) |
search_cards | find card ids by name/issuer; verified first, unverified flagged |
card | one card's verified rates, rotating windows, choose-your-category spec |
rotating_calendar | live + upcoming rotating windows and permanent merchant benefits |
Try: "I have the Amex Gold, Freedom Flex and Citi Double Cash. Which one at Costco?"
Parity with the app
src/engine.ts is a port of the iOS app's Swift engine. fixtures/engine_golden.json holds
3,100+ answers produced by the Swift code over the real catalog and merchant directory;
npm test fails if the port disagrees on any of them. Offers (a user's personal bank offers)
are deliberately not part of this server — they live on the phone.
Privacy
The hosted server logs request counts only. No identifiers, no cookies, no storage. Full policy: https://rightcard.ai/privacy
Related MCP Servers
Adoption & maintenance
Factual signals from GitHub, npm, and our automated checks — not a rating.
Last commit
Today
Most recent push to the default branch.
Tools exposed
5
Callable tools this server registers over MCP.
Reviews
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Frequently Asked Questions about RightCard
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