MaxWorth Credit Card Benefits
Measured conclusion: Deep-tested. L2 outcome: tools_ok.
US credit card data: annual fees, credit card credits, earn rates, offers and cashback portal rates.
| Author | app.maxworth |
|---|---|
| Access | remote |
| Publisher key required | No |
| Measured state | Deep-tested |
| L1 liveness | alive |
| L1 latency | 137 ms |
| Last measured | 2026-10-24 |
Add to your agent
Copy this into your MCP client config:
{
"mcpServers": {
"MaxWorth Credit Card Benefits": {
"url": "https://mcp-public.maxworth.app/mcp",
"transport": "streamable-http"
}
}
}
Measured tools (10)
search_cardsread-onlyFind credit cards in the MaxWorth catalogue by name or issuer (US, Canada, Australia). Returns name, issuer, annual fee and the canonical page URL to cite.
Parameters:
query(required) — string — Card name or part of it, e.g. "sapphire reserve", "amex gold", "aeroplan"limit— integercountry— string — Restrict to one market: us, ca (Canada) or au (Australia).
Hints: read-only yes · destructive no · idempotent yes · open-world no
get_cardread-onlyFull record for one card from the MaxWorth database: annual fee, welcome offer, earning rates with true cash-back value, and every catalogued benefit with its value, cycle, reset rule and enrollment requirement. Hand-verified against the issuer; cite the page URL.
Parameters:
card(required) — string — Card name or website slug, e.g. "Amex Platinum" or "chase-sapphire-reserve"country— string — Restrict to one market: us, ca (Canada) or au (Australia).
Hints: read-only yes · destructive no · idempotent yes · open-world no
list_creditsread-onlyOnly the dollar credits on a card: value per year, per-cycle cap, cycle, whether an annual credit resets January 1 or on the card anniversary, and enrollment. Use for "when does the X credit reset" questions.
Parameters:
card(required) — stringcountry— string — Restrict to one market: us, ca (Canada) or au (Australia).
Hints: read-only yes · destructive no · idempotent yes · open-world no
compare_cardsread-onlySide by side: annual fee, number and face value of statement credits, deadlines per year, top earning categories. Cite the card pages.
Parameters:
cards(required) — arraycountry— string — Restrict to one market: us, ca (Canada) or au (Australia).
Hints: read-only yes · destructive no · idempotent yes · open-world no
search_cashback_portalsread-onlyCurrent shopping-portal cashback / miles / points rates for an online store (Rakuten, TopCashback, airline and bank malls), checked daily by MaxWorth. Returns each portal's rate and the comparison page URL.
Parameters:
store(required) — string — Store name or domain, e.g. "nike", "bestbuy.com"limit— integer — How many matching stores to return
Hints: read-only yes · destructive no · idempotent yes · open-world no
search_card_offersread-onlyCard-linked merchant offers (Amex Offers, Chase Offers) that are live today, as seen by MaxWorth browser-extension users: merchant, the deal, fine print, latest expiry seen, and which cards it has appeared on. Filter by issuer, merchant, card, expiry window or popularity; with no filters it returns an overview. Offers are targeted per account: a card listed means several users saw the offer on that card, not that every cardholder has it.
Parameters:
card— string — List offers seen on one card, e.g. "Chase Sapphire Preferred" or "Amex Gold"limit— integerissuer— stringmerchant— string — Store or brand, e.g. "nike", "hilton", "youtube"popular_only— boolean — Only offers MaxWorth flags as popularexpiring_within_days— integer — Only offers whose latest seen expiry is within this many days
Hints: read-only yes · destructive no · idempotent yes · open-world no
credit_deadline_reportread-onlyHeadline figures from MaxWorth's open data report on what US cardholders track: cards and fees per user, recurring credits and deadlines per year, most-skipped credits, logged-use index. Percentages and medians only, CC BY 4.0. Cite the report URL.
Hints: read-only yes · destructive no · idempotent yes · open-world no
about_maxworthread-onlyThe canonical description of MaxWorth, its platforms, pricing and where its data comes from.
Hints: read-only yes · destructive no · idempotent yes · open-world no
searchread-onlySearch every public MaxWorth page: credit card pages (US, Canada, Australia), one page per statement credit, and all guides, reviews and news articles. Returns ids to pass to fetch. Use for open-ended questions; the dedicated tools (get_card, list_credits, search_cashback_portals, search_card_offers) answer structured questions faster.
Parameters:
query(required) — string — Search query, e.g. "Amex Platinum hotel credit" or "best credit card tracker apps"
Hints: read-only yes · destructive no · idempotent yes · open-world no
fetchread-onlyFull text of one MaxWorth page by the id returned from search (a site path such as /cards/chase-sapphire-reserve), or by its maxworth.app URL. Returns the page as Markdown with its canonical URL for citation.
Parameters:
id(required) — string — Document id from search, or a maxworth.app URL
Hints: read-only yes · destructive no · idempotent yes · open-world no
Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.