US return policies, price matching, discounts, deals and Amazon price predictions
Access verified return policies, price-match rules, military and student discounts, birthday offers, subscription cancellation guides, curated deals, and Amazon price predictions across major US retailers. Read-only access to Thrifle's shopping databases.
Try asking Muse: "What's Costco's return policy and how does it compare to Best Buy?"
Source: Found in the official MCP Registry (com.thrifle/mcp) · First listed September 24, 2026
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Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://api.thrifle.com/api/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Thrifle is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
In Claude, open Settings, then Connectors.
Choose Add custom connector, give it a name, and paste the link.
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://api.thrifle.com/api/mcpResponse time at the last check: 570ms. Worked in 100% of checks over 30 days.
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
get_return_policyVerified 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-specicompare_return_policiesSide-by-side comparison of two US retailers' return policies with grades, per-axis winners (return window, cost to return, restocking fee, exclusions, holiday extension, transparency) and an overall winner. Use for 'is it easier to return to X or Y' questions.search_return_policiesFind 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 rget_price_match_policyWhether 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.who_will_price_matchReverse 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' questionget_merchant_discountsVerified 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 Xsearch_discountsBrowse 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.get_cancellation_guideStep-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 get_birthday_freebieWhat 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.search_birthday_freebiesBrowse 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.search_dealsSearch 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 aget_dealEverything 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 iget_deal_of_the_dayThrifle's editor-picked deal of the day with price, merchant and buy link. Cheap to call; returns found:false when none is set.get_store_dealsA 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.predict_amazon_priceRetired 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.search_blogFind 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.get_blog_postThe 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.search_credit_cardsBrowse 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 daget_credit_cardFull 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). Storget_store_credit_cardsThe 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 cardget_money_monitorCurrent 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 fget_price_pulseLatest 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.about_thrifleWhat Thrifle is, what each database covers and how big it is, how to cite it, and which tool answers which kind of question.https://api.thrifle.com/api/mcpNot in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Thrifle to help me. It is a free service with an MCP server at https://api.thrifle.com/api/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
At the last check (November 13, 2026, 12:16 UTC) the endpoint was working, answering in 570ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
It was screened on September 24, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
It exposes 23 tools, including get_return_policy, compare_return_policies, search_return_policies, get_price_match_policy. For example, you could ask Muse: "What's Costco's return policy and how does it compare to Best Buy?"
This listing was added from public sources (Found in the official MCP Registry (com.thrifle/mcp)). If you build Thrifle, claim it to correct the details and get your badge.
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