earnrate
by FastDrop
Picks the credit card in your wallet that earns the most at a merchant, and says why.
Picks the credit card in your wallet that earns the most at a merchant, and says why. Official MCP Registry: io.github.cwasley/earnrate@0.1.1. Package/stdio server - no remote endpoint to probe.
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Package server from the official registry (no remote probe).
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as io.github.cwasley/earnrate and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
If this is your server, claim the listing to edit it and take ownership. The registry index lists everything else still awaiting a probe.
Claim this listingTools this endpoint exposes
Read directly from the endpoint on 31 Oct 2026. Not supplied by the maker.
best_card_for_purchaseWhich card earns the most rewards for a purchase, and why. With no cards given and no saved wallet, it ranks every card earnrate knows (in `allCards`): a complete answer for anyone. With cards named i
resolve_merchantShows how earnrate identifies a merchant: its spend category, likely MCC, which card networks it takes, confidence, and whether that came from curated data, Claude, or nowhere. Use it to explain or do
compare_welcome_offersRanks the public welcome (sign-up) offers on cards the user doesn't have by first-year value: the bonus at the user's point values minus the first year's annual fee. Use it when the user asks which ne
best_cards_forRanks every card earnrate knows, not only the user's, for one purchase or category, each set up at its best (the right category pick, activated, cap unused), with its annual fee and what earning the r
simulate_spendingSpends monthly amounts for a year across every card earnrate knows, and ranks single cards and two-card pairs by rewards minus annual fees. Spending is optional: without it, typical U.S. household amo
cheat_sheetThe card to use for each everyday kind of purchase right now: groceries, dining, gas, Amazon, Costco, travel, streaming, drugstores and everything else. With no cards given and no saved wallet, it pic
search_cardsFinds credit cards in earnrate's catalog by name or issuer, e.g. "sapphire", "amex gold" or "bofa". Returns each card's id (for add_card), network, annual fee, whether it's already in the wallet, and
list_walletLists the user's cards: checkout label, network, rewards currency and its value, spending caps with how much is left this period, chosen bonus categories (and whether they're current), welcome-bonus p
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