One reviews call per product at $0.0003. Keep each call to 12 reviews or fewer.
An Amazon review analyzer for your competitors' products.
8 of 24 reviews of two stretch lid sets say the lids do not fit or stay on.
An Amazon review analyzer reads a product's reviews and groups what buyers praise and complain about. On 20 October 2026 an agent read 36 reviews of three silicone lid sets. In 8 of the 24 reviews of the two stretch lid sets, buyers said the lids did not fit or stay on. The run cost $0.0042.
FOR Amazon sellers and product developers reading competitors' reviews for a better product
THIS RUN · 20 OCT 2026 $0.0042 4 PAID CALLS · 3 NOT CHARGED
01 / WHY REVIEWS
What an Amazon review analyzer does
A competitor's 1 to 3 star reviews are a free product brief. They list what the product gets wrong in the buyer's own words. A review analyzer reads those reviews and counts the complaints, so you see which problems are common and which are one buyer's bad day.
Review analyzer tools do one of two jobs. Some score whether reviews look fake. Others sum up themes for a seller. This run does the second, with your agent doing the reading. It pulls reviews through a reviews tool, then groups and counts the complaints itself, with quotes you can check.
02 / THE PROMPT PASTE IT INTO YOUR AGENT.
One prompt.
Your agent runs it.
Your agent picks the tools, makes the calls and reads the results. You see each charge as it settles.
PASTE THIS INTO YOUR AGENT
FIRST TIME? GIVE THIS TO YOUR AGENT FIRST
Works in 
and any agent that can run a terminal command.
and any agent that can run a terminal command.03 / THE RUN RECORDED 20 OCT 2026.
Every call.
Every charge.
What your agent asked each tool, what came back and what it cost. Calls that failed or found nothing were not charged.
YOU · ONE PROMPT
Analyze the Amazon reviews of three silicone lid sets: B09DY613QL, B08RD4HLPK and B0B9SGNR8M. Pull the product details for the first one, read 12 reviews of each, and group what buyers complain about with counts. Quote the reviews that explain the problem. If a set's reviews will not load, use another big stretch lid set.
YOUR AGENT
tapinall ONE BALANCE- 01 Product page
Opened the 12-pack. $12.99, 3.8 stars from 4,874 reviews.
$0.0033 - 02 12 reviews
Asked for 12 reviews of the 12-pack. It ran out of time, so nothing was billed.
Failed · not charged - 03 8 reviews
Asked for 8. It ran out of time again. Not billed either.
Failed · not charged - 04 Second set, 12 reviews
Read 12 reviews of a 6-piece set. Thin silicone and slipping off come up.
$0.0003 - 05 Top-rated set, 12 reviews
Read 12 reviews of a flat lid set. 10 give 5 stars. One says it keeps odors.
$0.0003 - 06 Swap-in 12-pack
Tried another 12-pack in place of the first. It timed out too, not billed.
Failed · not charged - 07 Swap-in 14-piece set, 12 reviews
Read 12 reviews of a 14-piece set instead. Slipping and weak silicone come up.
$0.0003
TOTAL $0.0042 about $0.0001 per review read
- reviews read in 3 paid review calls
- 36
- stretch lid reviews say the lids do not fit or stay on
- 8 of 24
- for the 3 review calls that ran out of time
- $0
See the exact calls and responses FOR DEVELOPERS
agent-session / amazon-review-analyzer 7 CALLS
- 01 / PRODUCT PAGE
tapinall call crawl4ai.amazon.product.detail --data '{"product":"B09DY613QL","country":"us"}'Adpartner 12-pack, 6 sizes · $12.99 · In Stock
3.8 stars · 4,874 reviews
A bullet claims the lids are "super flexible and stretchy enough to fit various shapes of containers"
ok — Charged: $0.0033
- 02 / 12 REVIEWS
tapinall call crawl4ai.amazon.product.reviews --data '{"product":"https://www.amazon.com/dp/B09DY613QL","limit":12}'failed — HTTP 504 · not charged
- 03 / 8 REVIEWS
tapinall call crawl4ai.amazon.product.reviews --data '{"product":"https://www.amazon.com/dp/B09DY613QL","limit":8}'failed — HTTP 504 · not charged
- 04 / SECOND SET, 12 REVIEWS
tapinall call crawl4ai.amazon.product.reviews --data '{"product":"https://www.amazon.com/dp/B08RD4HLPK","limit":12}'12 reviews · 7 five-star, 1 four, 1 three, 1 two, 2 one-star
1 star, 2024-06-18 · "do not form a tight seal" · 6 helpful votes
1 star, 2024-09-19 · near any moisture "they just slip off"
2 stars, 2025-08-13 · "very thin and difficult to stretch over containers"
5 stars, 2026-10-13 · "Fits so many bowls, cups and cans"
ok — Charged: $0.0003
- 05 / TOP-RATED SET, 12 REVIEWS
tapinall call crawl4ai.amazon.product.reviews --data '{"product":"https://www.amazon.com/dp/B0B9SGNR8M","limit":12}'12 reviews · 10 five-star, 1 four, 1 three
3 stars, 2026-10-06 · after cleaning "they retain cooking odors"
4 stars, 2022-10-22 · the smallest lid "didn't provide any suction" · 96 helpful votes
Buyers praise the handles and the end of microwave spatter
ok — Charged: $0.0003
- 06 / SWAP-IN 12-PACK
tapinall call crawl4ai.amazon.product.reviews --data '{"product":"https://www.amazon.com/dp/B08QTTC9DG","limit":12}'failed — HTTP 504 · not charged
- 07 / SWAP-IN 14-PIECE SET, 12 REVIEWS
tapinall call crawl4ai.amazon.product.reviews --data '{"product":"https://www.amazon.com/dp/B08NCGLQNK","limit":12}'12 reviews · 6 five-star, 2 four, 2 three, 2 one-star · dated 2021 to 2026
1 star, 2026-07-17 · "They break hilariously easily"
4 stars, 2024-10-11 · "it just slips off when wet" · 11 helpful votes
3 stars, 2025-01-10 · "very little stretch so the lids don't fit well"
One review describes portable cups, not lids
ok — Charged: $0.0003
TOTAL $0.0042 about $0.0001 per review read
04 / WHAT IT FOUND FROM THE RESPONSES ABOVE.
What came back.
In plain numbers.
Read straight from the responses in the run. Nothing here is a mockup.
- reviews read in 3 paid review calls
- 36
- stretch lid reviews say the lids do not fit or stay on
- 8 of 24
- for the 3 review calls that ran out of time
- $0
| Complaint | Reviews | In their words |
|---|---|---|
| Does not fit, seal or stay on | 8 | "do not form a tight seal" |
| Thin, weak or poor quality | 5 | "They break hilariously easily" |
| Slips off once wet | 2 | "it just slips off when wet" |
| Sizes run small | 2 | "mostly very small" |
| Water pools in the rim | 1 | "water collects in them" |
05 / FINDINGS
What buyers complain about in stretch lids
Fit is the main problem. In 8 of 24 reviews of the two stretch lid sets, buyers say the lids do not fit, do not seal or slide off. 2 of them say it happens once the rim is wet. Thin or weak silicone comes next, in 5 reviews, and one buyer says even vinegar broke the lids down within hours. 2 reviews of the 6-piece set say the sizes run small.
The flat lid set is a useful contrast. It showed 4.5 stars in the product research run, and 10 of its 12 reviews here were 5 stars. Its complaints were small. The tiniest lid would not hold suction, and one buyer said the lids kept cooking odors.
For a seller this reads as a brief. Thicker silicone, a rim that still grips when wet, and sizing printed against common bowl and can diameters would answer most of the low reviews in this sample.
06 / SAMPLE SIZE
How many reviews you can read per call
The reviews tool accepts a limit of up to 100, but a call stops at about 2 minutes. The 6-piece and flat lid sets showed reviews on their product pages, and 12 of each came back in under a second. The 12-pack and the 14-piece set showed none, so the tool went to a slower second source. It timed out on the 12-pack at 12 and at 8, and on a second 12-pack at 12. None of those calls was billed. It returned 12 reviews of the 14-piece set. Ask for 12 or fewer, and have your agent move on when a product will not load.
12 reviews per product is a sample. The 14-piece set has 2,713 reviews. The ones returned came in no clear order, dated 2021 to 2026, so they are not the newest 12 or the worst 12. One of them describes portable cups, not lids, so check what you count. We did not test whether repeat calls return different reviews.
07 / LIMITS
Limits and privacy
Reviews are written by people. This page leaves out reviewer names and quotes short pieces only. Do the same when you publish review data.
The run read amazon.com reviews, which include buyers from other countries. Every review it read was marked as a verified purchase. It did not judge whether reviews are fake, and it did not read questions and answers on the listing.
08 / VARIATIONS SAME TOOLS. ANOTHER JOB.
Change the market.
Keep the recipe.
Prompts that use the same tools. We have not run these, so check each price in the catalog.
One product call at $0.0033 and one reviews call at $0.0003 per mat.
Each review comes back with the country it was written from. Your agent translates.
09 / GOOD QUESTIONS Good questions,
Good questions,
short answers.
How do I analyze Amazon reviews?
Read the 1 to 3 star reviews of a product and its rivals, tag each complaint, and count the tags. An agent with a reviews tool does both steps from one prompt. This run counted 8 fit complaints in 24 stretch lid reviews.
Is there a free Amazon review analyzer?
Browser extensions and sites offer free checks, mostly fake-review scores. Reading reviews by hand is free too. This run cost $0.0042 for one product page and 36 reviews.
Can it tell if Amazon reviews are fake?
This run did not try. It took reviews at face value and counted complaints. The tool reports per review whether it was a verified purchase, and all 36 were.
Why did some review calls time out?
Amazon showed no reviews on those product pages, so the tool went to a slower second source, which ran past the 2 minute limit. None was billed. The same source returned 12 reviews of the 14-piece set, so keep each call to 12 or fewer.
Can I analyze reviews on Amazon UK or Germany?
The reviews tool reads amazon.com. The product tool takes a country such as uk or de, so you can check price and rating there. Reviews on amazon.com already include some buyers from other countries.
10 / HOW YOU PAY PREPAID. NO SUBSCRIPTION.
A prepaid balance, spent per call.
Top up by card and your agent spends the balance one call at a time. This run cost $0.0042. Credits never expire, failed calls cost nothing, and every tool in the metered tool catalog shows its price before your agent calls. See per-call pricing.
11 / MORE RUNS SAME BALANCE. ANOTHER JOB.
More MCP use cases.
- PRODUCT RESEARCH Amazon product research for a niche 5 of the 9 stretch lid listings with over 1,000 reviews rate under 4 stars. $0.0710
- REVIEWS Pull Google reviews for any place The stars say 4.5. The review topics say queues and cups. $0.0012
- COMPETITOR PRICES Amazon competitor analysis Two brands fill 5 of the 10 unpaid results for dog cooling mats. $0.0469
THE NEXT MOVE IS YOURS.
Copy the prompt.
Run it yourself. ✳
This run cost $0.0042.
No subscription. Credits never expire.