MCP.Market

Thrifle MCP server

online · 100% uptime
by thrifle.com·com.thrifle/mcp·v1.0.0

US return policies, price-match rules, discounts, deals and Amazon price verdicts. Read-only.

B81/100grade B
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B81/100

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Thrifle tools (24, 1 write)

write = sends, deletes, buys or posts
  • about_thrifleFree

    What Thrifle is, what each database covers and how big it is, how to cite it, and which tool answers which kind of question.

  • check_product_recallsFree

    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.

  • compare_return_policiesFree

    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.

  • get_birthday_freebieFree

    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.

  • get_blog_postwrite actionFree

    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.

  • get_cancellation_guideFree

    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.

  • get_credit_cardFree

    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.

  • get_dealFree

    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.

  • get_deal_of_the_dayFree

    Thrifle's editor-picked deal of the day with price, merchant and buy link. Cheap to call; returns found:false when none is set.

  • get_merchant_discountsFree

    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.

  • get_money_monitorFree

    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.

  • get_price_match_policyFree

    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.

  • get_price_pulseFree

    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.

  • get_return_policyFree

    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.

  • get_store_credit_cardsFree

    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.

  • get_store_dealsFree

    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.

  • predict_amazon_priceFree

    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.

  • search_birthday_freebiesFree

    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.

  • search_blogFree

    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.

  • search_credit_cardsFree

    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.

  • search_dealsFree

    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.

  • search_discountsFree

    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.

  • search_return_policiesFree

    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.

  • who_will_price_matchFree

    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.

Public scan report

scanner v0.1.10 · 2026-10-02 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1067ms20/20
  • Tool poisoning24 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 81/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Thrifle compares

Against every graded E-commerce MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
81/100
higher than 73% of 2,174 E-commerce servers
Tools
24
the typical E-commerce server has 6
Tools that change things
4%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote E-commerce server answers 100%
Response time
125 ms
faster than 81% of 1,527 E-commerce servers

What its tools let an agent do: 23 read · 1 change

Install Thrifle in Claude Code, Cursor or VS Code

claude mcp add --transport http mcp https://api.thrifle.com/api/mcp
Add to Cursor

What the publisher says

From the Thrifle repository's README, as published. We do not edit it. Read it on GitHub

Thrifle MCP server

US return policies, price-match rules, discounts, deals, credit-card terms and Amazon buy-or-wait verdicts — as read-only tools for Claude, ChatGPT, Cursor and any MCP client.

https://api.thrifle.com/api/mcp

No auth. No signup. 24 tools. Every answer links to the thrifle.com page it comes from.

What you can ask

The data behind these tools: a return-policy database covering 2,250 US retailers with an A+–D− grade computed from the policy's own terms, price-match and price-adjustment policies, military/student discount programmes, birthday offers, cancellation guides, a curated deal feed, a credit-card database built from issuer pricing pages, and price history for hundreds of thousands of Amazon products. All of it is editor-verified and every record carries a last_verified date.

Connect it

Claude.ai / Claude Desktop (every plan; Free allows one custom connector) Settings → Connectors → Add custom connector → paste the URL → leave authentication empty.

Claude Code

claude mcp add --transport http thrifle https://api.thrifle.com/api/mcp

ChatGPT — Settings → Apps & Connectors → Create (developer mode) → paste the URL, no authentication.

Cursor — click the badge above, or add to ~/.cursor/mcp.json:

{ "mcpServers": { "thrifle": { "url": "https://api.thrifle.com/api/mcp" } } }

VS Code — click the badge above, or code --add-mcp '{"name":"thrifle","type":"http","url":"https://api.thrifle.com/api/mcp"}'.

Perplexity (+ Custom connector → Remote), Grok (grok.com/connectors → Custom), Mistral Le Chat (Connectors → Custom MCP Connector), Gemini CLI (httpUrl under mcpServers), Gemini Enterprise (Manage team → Connected apps → Add MCP Server) all accept the same URL.

Claude Code plugin — this repo is also a Claude Code plugin (.claude-plugin/plugin.json, .mcp.json, and a thrifle-shopping skill that teaches the model which tool answers which question).

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Thrifle: common questions

Is Thrifle MCP server safe?
Mostly: it is graded B (81/100). Read the Thrifle safety report
How do I install Thrifle?
It runs remotely at api.thrifle.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Thrifle need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Thrifle maintained?
The last commit was 33 days ago (2026-10-01). The latest release is v1.0.0.
Is Thrifle up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Thrifle?
Servers from other publishers that do the same job: Apiguru Amazon Data MCP server, Idea Reality MCP server and Sessy — Amazon SES observability MCP server.
How does Thrifle compare with other E-commerce MCP servers?
safety score 81/100 (higher than 73% of 2,174 E-commerce servers); tools 24 (the typical E-commerce server has 6); tools that change things 4% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Thrifle

Same job from other publishers: the closest match first, then the best rated.

  • Apiguru Amazon Data
    Live Amazon product, review, search, deal, offer/stock and seller data across 23 marketplaces.
    A
  • Idea Reality
    Pre-build reality check. Scans GitHub, HN, npm, PyPI, Product Hunt — returns 0-100 signal.
    B
  • Sessy — Amazon SES observability
    Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.
    A
  • Amazon Ads
    Amazon Ads API MCP server for Amazon Advertising API
    B
  • HasData Amazon
    Amazon keyword search, product details, seller profiles and seller catalogues, as structured JSON.
    A