ARC INDEX · SUPPLEMENTS

Momentous

Name: Momentous on the ARC Index
Creator: ARC

WHAT GROK TOLD A SHOPPER

One AI model's read-back recommended this.

Checked 8 Oct 2026. One AI model's read-back (currently Grok via API, not the consumer Grok app). One model, not a consensus.

Tested product: Daily Hydration. Product page · Store

Score

of 100 · 5 of 5 shoppers added to cart

Browser shoppers

5 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 5 Oct 2026. How ARC tests

CAN AGENTS BUY

Agents can reach checkout through Shopify's agent catalog, and all 5 browser cart shoppers added the product to the cart.

AGENT CATALOG · REAL

Checkout link. The catalog returned the tested product.

ARC BROWSER CART TESTS

5 of 5 added the product to the cart.

View or refresh the free agent checkout check for livemomentous.com →

GROK · REAL MODEL

One AI model's read-back recommended this.

Checked 8 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

Recommend Daily Hydration for its minimal low-sodium daily formula and NSF certification versus overload rivals. LMNT or Liquid I.V. better suit heavy workouts instead.

Rivals one model named: LMNT, Liquid I.V., Nuun

MOST COSTLY MISMATCH

One AI model's read-back says your shipping cost is Free over $99 US. Your site says free.

Fact	Check	The model said	Store page
Shipping cost	Mismatch	Free over $99 US	freePolicy pageFree Shipping on U.S. Orders $99+ Use code: WELCOME10 for 10% your first order { this.updateButtonStaSource page
Price	Match	$24.99 one-time or $18.74 subscribe	$18.74, $24.99schema.org JSON-LD"price": 24.99Source page
Returns window	Couldn't verify	30 days	—
Availability	Match	in stock	in stock in 4 of 4 sizesschema.org JSON-LD"availability": "https://schema.org/InStock"Source page
Delivery estimate	Grok didn't know	—	—

Sources Grok cited

Each shopper

The failure

Added to cart (stopped before payment)

Top fix

Nothing blocked the purchase on this pass.

History

5 Oct 202686/100 · browser 5 of 5 · Added to cart (stopped before payment)

Your store hub →

Is this your store?

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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.

Momentous on the ARC Index. Agents chose us. ARC score 86. Agents can reach checkout through Shopify's agent catalog, and all 5 browser cart shoppers added the product to the cart.

<a href="https://www.arcreport.ai/agent-index/momentous"><img src="https://www.arcreport.ai/agent-index/momentous/badge" width="360" height="72" alt="Momentous on the ARC Index. Agents chose us. ARC score 86. Agents can reach checkout through Shopify's agent catalog, and all 5 browser cart shoppers added the product to the cart."></a>

Want a re-test, or this page removed? Contact ARC or email hello@arcreport.ai.