Observed arrival · 2026-09-10

SKU Witness, the catalog disagreement detector

skuwitness.com Observed source

Editorial interest 84/100 Selection signal · not a rating of the site

A read-only auditor compares Shopify catalogs with eBay listings, another Shopify store, or an uploaded eBay export, then reports stock and price mismatches.

Landing page captured for the 2026-09-10 issue.

Field notes

The service compares Shopify data against eBay listings, another Shopify store, or an uploaded eBay Seller Hub CSV, then labels disagreements by severity. Its examples include a sold-out Shopify item still listed on eBay, an orphan listing with no matching variant, and two Shopify variants sharing one SKU. The page says checks can run hourly, with immediate email for critical findings and a daily digest for minor drift. Continuous monitoring is listed from $19 per month.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

⊠LoginAccess appeared gated

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

One card from the complete issue

All Approaches to Piccadilly

405,063 arrived 1,000 judged 997 catalogued Enter the complete issue