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RankGenius is a real-time Amazon data API for AI agents and sellers. Connect it over MCP — to Claude, Cursor, or any MCP client — or call the REST API from ChatGPT, an LLM agent, or your own code, and get live keyword rank, Buy Box, and reviews on demand. No dashboards to check. Just ask.

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claude code — rankgenius
You
>Check my organic ranking for key terms this week
⚫keyword_rank(...) × 10 key terms · organic position · 7 / 14 / 30-day
Key term7d14d30dTrend
insulated water bottle456▲ up 2
stainless steel water bottle889▲ up 1
24 oz water bottle333– flat
water bottle with straw677▲ up 1
water bottle222119▼ down 3
gym water bottle9910▲ up 1
sports water bottle111111– flat
reusable water bottle151516▲ up 1
leak proof water bottle566▲ up 1
kids water bottle272524▼ down 3
Mostly climbing this week — 6 of 10 terms improved over the month, led by “insulated water bottle” (#6→#4). Two are slipping: “water bottle” (#19→#22) and “kids water bottle” (#24→#27). “24 oz water bottle” is holding strong at #3.
You
>Has my recent shipment been fully distributed yet?
I can gauge that from delivery speed — once your units spread to the regional fulfillment centers, the delivery promise gets faster. Let me use RankGenius to check the delivery speed across your top 15 metros.
⚫buybox(asin: "B085DTZQNZ") × 15 metros · representative zip each
⎄ New York 10001 · 1 day   Los Angeles 90001 · 1 day
⎄ Chicago 60601 · 4 days   Houston 77001 · 5 days
⎄ …11 more metros checked
Not yet — 9 of 15 metros (60%) are still at 4–5 day delivery, only 6 at 1–2 days. Fastest is 1 day (New York, Los Angeles), but stock hasn't reached local fulfillment centers in most of your top markets.
A 4–5 day promise across 60% of your markets is burning spend on clicks that convert poorly. Would you like me to pause your advertising campaign until delivery speed recovers?
You
>Any new reviews come in since yesterday?
⚫product_reviews(asin: "B085DTZQNZ", sort: "recent")
⎄ 1,242 written reviews (was 1,240) · +2 since yesterday · 4.6★
Yes — 2 new reviews since yesterday (1,240 → 1,242), both 5★ and verified. No new negatives:
★★★★★“Keeps my water ice-cold for a full workday — best bottle I've owned.” — Jamie R., verified
★★★★★“Zero leaks in my gym bag and the flip straw is perfect.” — Chris M., verified
You
>Can you compare my listing to the 5 closest competitors and see if I can do anything to improve mine?
Let me pull the listings ranking around you and compare them on images, title, content, and reviews.
⚫keyword_rank(...) → top rivals, then product_page(...) × 6 listings
⎄ images — you: 4 · rivals avg 7 (best 9)
⎄ title — you: 82 chars · rivals avg ~175 (keyword-rich)
⎄ A+ Content — you: none · 5 of 5 rivals have it
⎄ rating — you: 4.6★ · rivals avg 4.4★
Good news: your reviews are the strongest in the set — the gaps are all on the listing itself. Three high-impact fixes:
1Add images. You have 4; rivals average 7–9. Add lifestyle shots, an infographic, and a size/scale image.
2Improve the title. At 82 characters you're leaving ranking terms unused — rivals run ~175 with size, material, and use-case keywords.
3Add A+ Content. Every competitor has it and you don't — it lifts conversion and lets you tell the brand story below the fold.
You
>Run my daily report.
⚫keyword_rank(...) × 3 variations · 4 marketplaces
⎄ 24 oz #4 · 32 oz #5 · UK #1 on all 4
⚫product_reviews(...) × 2 ASINs
⎄ US 1,284 · 4.6★   UK 395 · 4.8★ · no new
Search positioning (organic): Steady across #4–6, minor jitter — 24 oz up, 32 oz down to #5. #1 in the UK on all 4 variations. No alarms.
Reviews & seller feedback: No new reviews or seller feedback. US listing 1,284 (4.6★), UK 395 (4.8★).
> Ask anything about your listings

Keyword Rank

See where any ASIN ranks organically for a keyword, right now — page by page.

Buy Box

Who owns the Buy Box, the winning price, stock, and competing offers.

Product Reviews

Deep, paginated customer reviews with star breakdown, ratings velocity, and sentiment.

What sellers do with it

RankGenius sees Amazon the way a shopper does — real organic search rank, Buy Box, product detail, reviews, and per-region delivery speed. Here's what sellers do with it.

Only on RankGenius

Delivery-Speed Heat Map

Map a product's true national distribution — and know when it's safe to advertise.

Uses: Buy Box (with Zip)

See how →

Keyword Rank & the SERP

Track where any ASIN ranks for a keyword — and read the entire organic search page.

Uses: Keyword Rank

See how →

Competitor & Acquisition Due Diligence

Separate a real, defensible business from a fad, a commodity, or an IP risk — before you buy or build.

Uses: Keyword Rank, Product Page

See how →

Size a Niche Before You Build

Measure demand, competition, and format gaps across a set of terms — before spending a dollar on inventory.

Uses: Keyword Rank

See how →

Track Product Reviews

Watch the rating, the star breakdown, and what customers actually say — and catch a quality slide before it sinks the listing.

Uses: Product Reviews

See how →

Win (and Keep) the Buy Box

See who owns the Buy Box, at what price, and every competing offer — and track it over time.

Uses: Buy Box

See how →

Try any of these yourself

Run live lookups in your browser, or connect RankGenius to your AI client over MCP or REST.

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