Mmcp.market

RightCard

by rightcard.ai·ai.rightcard/mcp·v0.1.3
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Which of your credit cards to use at any store, from verified bank data. No bank login.

A87/100grade A
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Safety scan
A87/100

full report

Adoption
Growing

0 stars266 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Tools (5, 1 write)

write = sends, deletes, buys or posts
  • best_cardFree

    Which 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.

  • cardFree

    Everything 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.

  • lookup_merchantwrite actionFree

    The 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.

  • rotating_calendarFree

    Live 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.

  • search_cardsFree

    Search 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.

Public scan report

scanner v0.1.3 · 2026-09-19 · same rubric, same numbers if you re-run it

1 high
  • Code scan21 source files scanned25/25
  • Live reliabilityremote reachable in 386ms20/20
  • Tool poisoning5 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenancelast push 1 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; website matches verified namespace9/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 87/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http mcp https://mcp.rightcard.ai/mcp
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