MaxWorth Credit Card Benefits

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US credit card data: annual fees, credit card credits, earn rates, offers and cashback portal rates.

Finance & Payments

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https://mcp-public.maxworth.app/mcp

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about_maxworth Read-only

The canonical description of MaxWorth, its platforms, pricing and where its data comes from.

This tool takes no arguments.

Tools (10)

about_maxworth

The canonical description of MaxWorth, its platforms, pricing and where its data comes from.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {}
}

compare_cards

Side by side: annual fee, number and face value of statement credits, deadlines per year, top earning categories. Cite the card pages.

read-only

Argument	Type	Description
cards*	array
country	string	Restrict to one market: us, ca (Canada) or au (Australia).

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "cards"
  ],
  "properties": {
    "cards": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 1
      },
      "maxItems": 3,
      "minItems": 2
    },
    "country": {
      "enum": [
        "us",
        "ca",
        "au"
      ],
      "type": "string",
      "description": "Restrict to one market: us, ca (Canada) or au (Australia)."
    }
  }
}

credit_deadline_report

Headline 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.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {}
}

fetch

Full 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.

read-only

Argument	Type	Description
id*	string	Document id from search, or a maxworth.app URL

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "minLength": 1,
      "description": "Document id from search, or a maxworth.app URL"
    }
  }
}

get_card

Full 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.

read-only

Argument	Type	Description
card*	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).

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "card"
  ],
  "properties": {
    "card": {
      "type": "string",
      "minLength": 1,
      "description": "Card name or website slug, e.g. \"Amex Platinum\" or \"chase-sapphire-reserve\""
    },
    "country": {
      "enum": [
        "us",
        "ca",
        "au"
      ],
      "type": "string",
      "description": "Restrict to one market: us, ca (Canada) or au (Australia)."
    }
  }
}

list_credits

Only 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.

read-only

Argument	Type	Description
card*	string
country	string	Restrict to one market: us, ca (Canada) or au (Australia).

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "card"
  ],
  "properties": {
    "card": {
      "type": "string",
      "minLength": 1
    },
    "country": {
      "enum": [
        "us",
        "ca",
        "au"
      ],
      "type": "string",
      "description": "Restrict to one market: us, ca (Canada) or au (Australia)."
    }
  }
}

Search 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.

read-only

Argument	Type	Description
query*	string	Search query, e.g. "Amex Platinum hotel credit" or "best credit card tracker apps"

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "string",
      "minLength": 1,
      "description": "Search query, e.g. \"Amex Platinum hotel credit\" or \"best credit card tracker apps\""
    }
  }
}

search_card_offers

Card-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.

read-only

Argument	Type	Description
card	string	List offers seen on one card, e.g. "Chase Sapphire Preferred" or "Amex Gold"
limit	integer
issuer	string
merchant	string	Store or brand, e.g. "nike", "hilton", "youtube"
popular_only	boolean	Only offers MaxWorth flags as popular
expiring_within_days	integer	Only offers whose latest seen expiry is within this many days

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "card": {
      "type": "string",
      "minLength": 2,
      "description": "List offers seen on one card, e.g. \"Chase Sapphire Preferred\" or \"Amex Gold\""
    },
    "limit": {
      "type": "integer",
      "default": 20,
      "maximum": 50,
      "minimum": 1
    },
    "issuer": {
      "enum": [
        "amex",
        "chase"
      ],
      "type": "string"
    },
    "merchant": {
      "type": "string",
      "minLength": 2,
      "description": "Store or brand, e.g. \"nike\", \"hilton\", \"youtube\""
    },
    "popular_only": {
      "type": "boolean",
      "description": "Only offers MaxWorth flags as popular"
    },
    "expiring_within_days": {
      "type": "integer",
      "maximum": 120,
      "minimum": 0,
      "description": "Only offers whose latest seen expiry is within this many days"
    }
  }
}

search_cards

Find 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.

read-only

Argument	Type	Description
limit	integer
query*	string	Card name or part of it, e.g. "sapphire reserve", "amex gold", "aeroplan"
country	string	Restrict to one market: us, ca (Canada) or au (Australia).

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "query"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "default": 10,
      "maximum": 25,
      "minimum": 1
    },
    "query": {
      "type": "string",
      "minLength": 1,
      "description": "Card name or part of it, e.g. \"sapphire reserve\", \"amex gold\", \"aeroplan\""
    },
    "country": {
      "enum": [
        "us",
        "ca",
        "au"
      ],
      "type": "string",
      "description": "Restrict to one market: us, ca (Canada) or au (Australia)."
    }
  }
}

search_cashback_portals

Current 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.

read-only

Argument	Type	Description
limit	integer	How many matching stores to return
store*	string	Store name or domain, e.g. "nike", "bestbuy.com"

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "store"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "default": 1,
      "maximum": 5,
      "minimum": 1,
      "description": "How many matching stores to return"
    },
    "store": {
      "type": "string",
      "minLength": 2,
      "description": "Store name or domain, e.g. \"nike\", \"bestbuy.com\""
    }
  }
}