ARC INDEX · APPAREL
Knix
WHAT GROK TOLD A SHOPPER
One AI model's read-back recommended this.
Checked 5 Oct 2026. One AI model's read-back (currently Grok via API, not the consumer Grok app). One model, not a consensus.
Tested product: Leakproof Invisible Cotton No-Show Brief. Product page · Store
Score
35
of 100 · 0 of 5 shoppers added to cart
Browser shoppers
0 of 5
Browser cart shoppers that added the product to the cart. The score is this lane. The catalog check does not change it.
Tested 6 Oct 2026. How ARC tests
CAN AGENTS BUY
Agents can reach checkout through Shopify's agent catalog. Browser cart shoppers get stuck at adding the product to the cart.
AGENT CATALOG · REAL
Checkout link. The catalog returned the tested product.
ARC BROWSER CART TESTS
0 of 5 added the product to the cart. Stuck at adding the product to the cart.
View or refresh the free agent checkout check for knix.com →
GROK · REAL MODEL
One AI model's read-back recommended this.
Checked 5 Oct 2026. One AI model's read-back (currently Grok via API, not the consumer Grok app). One model, not a consensus.
Model x-ai/grok-4.20
The Knix Leakproof Invisible Cotton No-Show Brief is a solid everyday option for light protection or backup, with seamless no-show design and cotton feel that many prefer over bulkier alternatives. At $32 it is competitively priced for premium reusable period underwear. I would recommend it for those who value Knix's fit and brand trust, but consider Bambody for better value bamboo fabric or Modibodi/Thinx if you need higher absorbency ratings.
Rivals one model named: Thinx, Modibodi, Bambody
MOST COSTLY MISMATCH
Grok told a shopper your shipping cost is free over $100. Your site says free.
| Fact | Check | The model said | Store page |
|---|---|---|---|
| Shipping cost | Mismatch | free over $100 | freePolicy pageFree Standard Shipping Orders under $100* USD = $9 99 USD *After discounts, before shipping and taxes ca to order in US Dollars!Source page |
| Price | Match | $32 | $32schema.org JSON-LD"price": "32.0"Source page |
| Returns window | Grok didn't know | — | — |
| Availability | Couldn't verify | in stock | — |
| Delivery estimate | Grok didn't know | — | — |
Each shopper
- ARC browser shopper ACouldn't run
- ARC browser shopper BCouldn't run
- ARC browser shopper CCouldn't run
- ARC browser shopper DCouldn't run
- ARC browser shopper EStopped
The failure
Couldn't add it to the cart
ARC couldn't complete the test (Add to cart after a second try). HTTP 200. Screenshot: /api/shot?p=runs%2FAiu_gQMsvWLlrVwvHjn-D%2Fmuse-step1-70GQ0IGbtLASJNugNtCgytxM74etkG.png. This stopped 1 of 5 agents.
Top fix
Use a real Add to cart button, and show that the item landed in the cart.
History
- 6 Oct 202635/100 · browser 0 of 5 · Couldn't add it to the cart
Is this your store?
The free scan puts the score on screen and emails the full report.
Share this result
Every ARC page and dataset is free to read, cite and reuse.
OpenClaw only follows labelled controls. A block at the door is one result for all five, with the HTTP evidence. The score is the ARC browser cart, the same number as a free scan. The agent-catalog check above is real and leads the buy verdict. It does not change the score. How it works.
BADGE FOR YOUR SITE
Put this on your site. It links back here. It says Agent checkout when the real catalog check returned a checkout link, and Agents chose us only when a browser cart shopper added the product to the cart.
<a href="https://www.arcreport.ai/agent-index/knix"><img src="https://www.arcreport.ai/agent-index/knix/badge" width="360" height="72" alt="Knix on the ARC Index. Agent checkout. ARC score 35. Agents can reach checkout through Shopify's agent catalog. Browser cart shoppers get stuck at adding the product to the cart."></a>
Want a re-test, or this page removed? Contact ARC or email hello@arcreport.ai.