| Product feed audit page | Understanding whether the feed issue is source data, generated feed, Google received state, or public product evidence | Visible symptom, platform, feed app, affected issue names | Choose a route |
| Feed Truth report | Product count mismatch, generated feed ownership, stale fetch, Google channel state, or feed app conflict | Platform export, feed URL, diagnostics screenshot, item count, last fetch time | Open /tools/shopify-to-gmc-feed-truth-report |
| Identifier checker | GTIN, MPN, brand, identifier_exists, invalid GTIN, duplicate barcode, and missing identifier rows | GMC affected-products CSV plus product export | Open /tools/gmc-product-identifier-error-checker |
| Reviewed Feed/GMC Truth Snapshot | Cross-system evidence conflict before support handoff or paid repair work | CSV rows, screenshots, generated feed file, product URLs, policy proof | Request review before a focused Fix Pack |