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MCP Server

Thrifle

com.thrifle/mcp
Commerce & Retail Finance & Investing Public & reachable MCP 2025-11-25

What this MCP does

Provides US shopping research on deals, returns, discounts, price matching, product recalls, credit cards, consumer prices, and Amazon price timing.

Capabilities

Tools

24 tools
about_thrifle
About Thrifle and this server
What Thrifle is, what each database covers and how big it is, how to cite it, and which tool answers which kind of question.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
check_product_recalls
Check a product for US safety recalls
Matches a product name (and optional brand) against recent U.S. CPSC recalls using a strict matcher tuned for zero false positives. Returns matching recalls with hazard and remedy, or an empty list. Useful before recommending a product.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['product'], 'properties': {'brand': {'type': 'string', 'maxLength': 80}, 'product': {'type': 'string', 'maxLength': 200, 'minLength': 3, 'description': "Product title as sold, e.g. 'Peloton Tread+ treadmill'"}}, 'additionalProperties': False}
compare_return_policies
Compare two retailers' return policies
Side-by-side comparison of two US retailers' return policies with grades, per-axis winners (window, free returns, restocking fee, holiday extension) and an overall winner. Use for 'is it easier to return to X or Y' questions.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant_a', 'merchant_b'], 'properties': {'merchant_a': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug — first retailer, e.g. "Costco", "best-buy", "Nordstrom"'}, 'merchant_b': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug — second retailer, e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
get_birthday_freebie
Get a brand's birthday freebie
What a US restaurant or retailer gives away for your birthday, whether it is actually free or needs a purchase or prior spend, how to sign up and how far ahead, the validity window, ID requirements, and known gotchas. Call for 'what does X give you on your birthday' questions.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant'], 'properties': {'merchant': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug — brand, e.g. \'Starbucks\', \'Sephora\', e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
get_blog_post
Read one Thrifle article
The full text of one Thrifle article by URL or slug (HTML stripped, long posts truncated at ~20,000 characters), plus its FAQ, author, date and URL for citation.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['post'], 'properties': {'post': {'type': 'string', 'maxLength': 300, 'minLength': 3, 'description': 'thrifle.com article URL or its slug'}}, 'additionalProperties': False}
get_cancellation_guide
How to cancel a subscription or membership
Step-by-step guide to cancelling a US subscription or membership: available channels (online, app, phone, in person), notice period, fees, refund after cancelling, retention tactics to expect, and an ease-of-cancellation grade. Coverage is still small; the response lists what is available when the merchant is not found.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant'], 'properties': {'merchant': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug — the service, e.g. \'Planet Fitness\', e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
get_credit_card
Get one credit card's full terms
Full record for one card by its card_key (from search_credit_cards): APR tiers, intro and penalty APRs, fees, promotional financing terms with the issuer's own fine-print quote, rewards, perks, welcome offer, and provenance (pricing-terms URL, verification date, confidence). Store cards link to the partner retailer's return policy.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['card_key'], 'properties': {'card_key': {'type': 'string', 'maxLength': 120, 'minLength': 2, 'description': "card_key from search_credit_cards, e.g. 'amazon-store-card'"}}, 'additionalProperties': False}
get_deal
Get one deal's full details
Everything Thrifle knows about one deal, by its thrifle.com URL or slug: price and list price, merchant, coupon, why it's great, the editorial verdict, the price-history verdict for Amazon items, FAQ, and the buy link. Use after search_deals when the shopper wants detail on one item.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['deal'], 'properties': {'deal': {'type': 'string', 'maxLength': 300, 'minLength': 3, 'description': 'thrifle.com deal URL or the slug at the end of it'}}, 'additionalProperties': False}
get_deal_of_the_day
Get today's featured deal
Thrifle's editor-picked deal of the day with price, merchant and buy link. Cheap to call; returns found:false when none is set.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
get_merchant_discounts
Get a retailer's military and student discounts
Verified military (active duty, veterans, reserve) and student discount programmes for a US retailer: value, eligibility, verification method (e.g. ID.me, SheerID), online vs in-store, stackability, exclusions, whether it is running right now, and the source URL. Call for 'does X have a military/student discount' questions.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant'], 'properties': {'merchant': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug, e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
get_money_monitor
US economic indicators and rates
Current US macro numbers from Thrifle's Money Monitor: GDP growth, personal saving rate, average credit-card APR, revolving and total consumer credit, the federal debt, and mortgage / fed funds / 10-year Treasury rates, each with the previous reading and year-ago value. Sourced from FRED and the U.S. Treasury; refreshed daily.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
get_price_match_policy
Get a retailer's price-match policy
Whether a US retailer matches competitors' prices (which competitors, proof required, exclusions, how to claim) and whether it offers a post-purchase price adjustment (window in days). Call for 'does X price match' or 'will X refund the difference if the price drops' questions.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant'], 'properties': {'merchant': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug, e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
get_price_pulse
US consumer prices: CPI by category and gas
Latest US Consumer Price Index by spending category (headline, food, energy, shelter, apparel, etc.) with month-over-month and year-over-year change, plus average gas prices by grade with week-ago and year-ago comparisons. Sourced from BLS and EIA.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
get_return_policy
Get a retailer's return policy
Verified return policy for a US retailer: return window, free returns, restocking fee, holiday extension, non-returnable items, an A+–D− grade, how it compares with its category, and the retailer's own policy URL. Optionally pass what the shopper bought to surface a product-specific exception (e.g. electronics at Costco). Call this for any 'what is X's return policy' question.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant'], 'properties': {'product': {'type': 'string', 'maxLength': 200, 'description': "Optional: the product being returned, e.g. 'MacBook Air' or 'gift card', to check for a category exception"}, 'merchant': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug, e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
get_store_credit_cards
Get a retailer's store credit cards
The store and co-branded credit cards a US retailer offers, with APR, annual fee, whether promotional financing is deferred interest, and links to each card's full terms, the retailer's store-card page and its return policy. Call for 'is the X store card worth it' or 'does X card have deferred interest' questions.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant'], 'properties': {'merchant': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug — e.g. \'Lowe\'s\', \'Amazon\', \'Best Buy\', e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
get_store_deals
Get current deals at a retailer
A retailer's store page on Thrifle: how many live deals it has, the most recent ones with prices and buy links, and its military/student discount summary when known. Use for 'what deals does Costco have right now' questions.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant'], 'properties': {'limit': {'type': 'integer', 'maximum': 8, 'minimum': 1, 'description': 'Max results (default 8, max 8)'}, 'merchant': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug, e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
predict_amazon_price
Retired: Amazon price tool
Retired in September 2026. Thrifle no longer provides price information for Amazon products; this tool always returns found:false with retired:true. Kept only so existing integrations do not break.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['asin_or_url'], 'properties': {'asin_or_url': {'type': 'string', 'maxLength': 500, 'minLength': 5, 'description': '10-character ASIN (e.g. B0CHX3QBCH) or any Amazon product URL'}}, 'additionalProperties': False}
search_birthday_freebies
Search birthday freebies
Browse verified birthday offers from US brands. Filters: actually_free (no purchase and no prior spend required), kids (child-eligible), no_signup, category (e.g. 'Restaurant', 'Beauty'), name fragment. Returns slim rows; use get_birthday_freebie for the full terms of one brand.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'kids': {'type': 'boolean'}, 'limit': {'type': 'integer', 'maximum': 50, 'minimum': 1, 'description': 'Max results (default 15, max 50)'}, 'query': {'type': 'string', 'maxLength': 80}, 'category': {'type': 'string', 'maxLength': 60}, 'no_signup': {'type': 'boolean'}, 'actually_free': {'type': 'boolean', 'description': 'Only offers with no purchase or prior-spend requirement'}}, 'additionalProperties': False}
search_blog
Search Thrifle's articles and data studies
Find Thrifle articles by keyword: original data studies (e.g. what actually dropped on Black Friday, Prime Day fact-checks), buying guides, and the Money section's credit and BNPL explainers. Returns title, one-line summary, date, author and URL. Use get_blog_post to read one.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Max results (default 8, max 20)'}, 'query': {'type': 'string', 'maxLength': 120, 'minLength': 2}, 'section': {'enum': ['all', 'shopping', 'money'], 'type': 'string', 'description': 'Default all'}}, 'additionalProperties': False}
search_credit_cards
Search the credit-card database
Browse Thrifle's US credit-card database (store and co-branded cards first): filter by issuer, retailer, store cards only, or cards that use deferred-interest promotional financing. Rows carry purchase APR range, annual fee, financing type, data confidence and the verification date. Numbers come from issuer pricing pages, never roundups.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'limit': {'type': 'integer', 'maximum': 60, 'minimum': 1, 'description': 'Max results (default 20, max 60)'}, 'query': {'type': 'string', 'maxLength': 80, 'description': 'Name fragment matched against card name, issuer or partner retailer'}, 'issuer': {'type': 'string', 'maxLength': 80, 'description': "Exact issuer name, e.g. 'Synchrony Bank', 'Citi Retail Services'"}, 'merchant': {'type': 'string', 'maxLength': 80, 'description': "Partner retailer, e.g. 'Amazon', 'Lowe's'"}, 'store_cards_only': {'type': 'boolean'}, 'deferred_interest_only': {'type': 'boolean', 'description': 'Only cards whose promo financing is deferred interest (retroactive interest if not paid in full)'}}, 'additionalProperties': False}
search_deals
Search current deals
Search Thrifle's curated US deals by product, brand or keyword. Returns live deals with price, list price, discount %, merchant, coupon code when there is one, the thrifle.com deal page, and a buy link. Expired deals are excluded unless include_expired is set. Use for 'is there a deal on X' or 'best price on X right now' questions.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['query'], 'properties': {'sort': {'enum': ['newest', 'popular'], 'type': 'string', 'description': 'Default newest'}, 'limit': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Max results (default 8, max 20)'}, 'query': {'type': 'string', 'maxLength': 120, 'minLength': 2, 'description': "Product, brand or keyword, e.g. 'AirPods Pro', 'Dyson', 'robot vacuum'"}, 'include_expired': {'type': 'boolean'}}, 'additionalProperties': False}
search_discounts
Search military and student discounts
Browse Thrifle's discount database: filter by programme type (military, student, or both), retail category, and/or a name fragment. Returns slim rows with the discount value and a link per retailer.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'type': {'enum': ['military', 'student', 'both'], 'type': 'string', 'description': 'Only retailers with this programme'}, 'limit': {'type': 'integer', 'maximum': 50, 'minimum': 1, 'description': 'Max results (default 15, max 50)'}, 'query': {'type': 'string', 'maxLength': 80, 'description': "Name fragment, e.g. 'nike'"}, 'category': {'type': 'string', 'maxLength': 60, 'description': "Retail category, e.g. 'Apparel', 'Electronics'"}}, 'additionalProperties': False}
search_return_policies
Search the return-policy database
Find retailers in Thrifle's return-policy database by name fragment and/or category (e.g. 'Fashion', 'Electronics', 'Home'). Returns slim rows with the return window and a link. With no arguments it returns the category list and total count. Use it when get_return_policy says a retailer was not found, or to list retailers in a category.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'limit': {'type': 'integer', 'maximum': 25, 'minimum': 1, 'description': 'Max results (default 10, max 25)'}, 'query': {'type': 'string', 'maxLength': 80, 'description': "Name fragment, e.g. 'best' matches Best Buy"}, 'category': {'type': 'string', 'maxLength': 60, 'description': 'Category name as shown on thrifle.com/return-policy'}}, 'additionalProperties': False}
who_will_price_match
Which retailers will match a given store's price
Reverse lookup: the US retailers whose price-match policy explicitly names the given store as an accepted competitor. Optionally filter by the product category being bought so only stores that plausibly stock it are listed. Use for 'who will match Amazon's price on this' questions.
Read only Idempotent
Input schema 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['merchant'], 'properties': {'category': {'type': 'string', 'maxLength': 60, 'description': "Optional deal category, e.g. 'Tech & Electronics', 'Home & Furniture', 'Toys & Hobbies'"}, 'merchant': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Retailer name or thrifle.com slug — the store whose price you found, e.g. "Costco", "best-buy", "Nordstrom"'}}, 'additionalProperties': False}
History

Recent tool changes

Changed
predict_amazon_price
Sept. 27, 2026, 2:54 a.m.
Added
about_thrifle
Sept. 17, 2026, 12:38 p.m.
Added
check_product_recalls
Sept. 17, 2026, 12:38 p.m.
Added
get_price_pulse
Sept. 17, 2026, 12:38 p.m.
Added
get_money_monitor
Sept. 17, 2026, 12:38 p.m.
Added
get_store_credit_cards
Sept. 17, 2026, 12:38 p.m.
Added
get_credit_card
Sept. 17, 2026, 12:38 p.m.
Added
search_credit_cards
Sept. 17, 2026, 12:38 p.m.
Added
get_blog_post
Sept. 17, 2026, 12:38 p.m.
Added
search_blog
Sept. 17, 2026, 12:38 p.m.
Added
predict_amazon_price
Sept. 17, 2026, 12:38 p.m.
Added
get_store_deals
Sept. 17, 2026, 12:38 p.m.
Added
get_deal_of_the_day
Sept. 17, 2026, 12:38 p.m.
Added
get_deal
Sept. 17, 2026, 12:38 p.m.
Added
search_deals
Sept. 17, 2026, 12:38 p.m.
Added
search_birthday_freebies
Sept. 17, 2026, 12:38 p.m.
Added
get_birthday_freebie
Sept. 17, 2026, 12:38 p.m.
Added
get_cancellation_guide
Sept. 17, 2026, 12:38 p.m.
Added
search_discounts
Sept. 17, 2026, 12:38 p.m.
Added
get_merchant_discounts
Sept. 17, 2026, 12:38 p.m.
Added
who_will_price_match
Sept. 17, 2026, 12:38 p.m.
Added
get_price_match_policy
Sept. 17, 2026, 12:38 p.m.
Added
search_return_policies
Sept. 17, 2026, 12:38 p.m.
Added
compare_return_policies
Sept. 17, 2026, 12:38 p.m.
Added
get_return_policy
Sept. 17, 2026, 12:38 p.m.
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