MCP.Market

RightCard MCP server

online · 100% uptime
by rightcard.ai·ai.rightcard/mcp·v0.1.17
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Which of your credit cards to use at any store, from verified bank data. No bank login.

A94/100grade A
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Safety scan
A94/100

full report

Adoption
Growing

0 stars875 downloads/wk

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

RightCard tools (5)

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_merchantFree

    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 v0.1.10 · 2026-11-03 · same rubric, same numbers if you re-run it

no findings
  • Code scan21 source files scanned25/25
  • Live reliabilityremote reachable in 803ms20/20
  • Tool poisoning5 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 3 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; website matches verified namespace9/10
Overall 94/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How RightCard compares

Against every graded E-commerce MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
94/100
higher than 96% of 2,174 E-commerce servers
Tools
5
the typical E-commerce server has 6
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote E-commerce server answers 100%
Response time
124 ms
faster than 82% of 1,527 E-commerce servers
Downloads a week
875
more than 95% of 411 E-commerce servers with a package

What its tools let an agent do: 5 read

Release history: 7 versions in the registry since 2026-09-16, latest 2026-10-28, typically one every 10 days.

Install RightCard in Claude Code, Cursor or VS Code

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

What the publisher says

From the RightCard repository's README, as published. We do not edit it. Read it on GitHub

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.

won't post), rotating quarters with activation flags, ties named, points valued per program.

  • 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
  • Cash value by default; valuation: "points" for conservative travel values.

Use it

Hosted (stateless Streamable HTTP):

https://mcp.rightcard.ai/mcp

Local (stdio, nothing leaves your machine except a read of the public catalog):

npx rightcard-mcp

Claude Desktop / Claude Code / Cursor config:

{ "mcpServers": { "rightcard": { "command": "npx", "args": ["-y", "rightcard-mcp"] } } }

Tools

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

Nothing above is checked by us. What we check is on the safety report.

RightCard: common questions

Is RightCard MCP server safe?
Yes, by our scan: it is graded A (94/100). Read the RightCard safety report
How do I install RightCard?
It runs remotely at mcp.rightcard.ai. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does RightCard need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is RightCard maintained?
The last commit was 4 days ago (2026-10-31). The latest release is v0.1.17.
Is RightCard up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of RightCard?
Servers from other publishers that do the same job: Pagseguro MCP server, Apify MCP server and Heimdall MCP server.
How does RightCard compare with other E-commerce MCP servers?
safety score 94/100 (higher than 96% of 2,174 E-commerce servers); tools 5 (the typical E-commerce server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to RightCard

Same job from other publishers: the closest match first, then the best rated.

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