Build and validate product feeds for shopping channels — Google Merchant Center and Meta Catalog — including required/recommended attributes, attribute mapping, and feed validation. Includes a feed validator/generator script. Triggers: building a product feed, fixing feed disapprovals, mapping catalog to feed attributes.
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See how to installReview the instructions the agent will receive before you install.
Shopping ads and free listings live or die on feed quality. A clean, complete feed gets products approved and surfaced; a sloppy one gets disapprovals. Map your catalog to channel attributes and validate before upload — platform-agnostic.
Gather: target channel (Google Merchant / Meta Catalog), source of truth (DB export, CSV, platform), product categories, and goal (validate an existing feed, generate one, or map catalog → feed attributes).
| Mode | Trigger | Output |
|---|---|---|
| Validate | validate | Pass/fail report against required attributes |
| Generate | generate | Feed emitted from a source CSV |
| Map | map | Catalog field → feed attribute mapping |
Google Merchant / Meta share a common core. Required for every item:
| Attribute | Notes |
|---|---|
id | Stable, unique per variant (use SKU) |
title | Front-load product; ≤150 chars; match landing page |
description | Plain, accurate; no promo text/caps |
link | Canonical PDP URL |
image_link | Main image, meets resolution minimums |
availability | in_stock / out_of_stock / preorder |
price | With currency; must match landing page exactly |
brand | Required unless exempt category |
gtin / mpn | Required where a GTIN exists — improves matching |
condition | new / refurbished / used |
Rule: Feed price and availability must exactly match the live PDP, or the item is disapproved and the account is penalized.
Run the validator on a CSV export:
python skills/merchant-feed/scripts/feed_validate.py # demo data
python skills/merchant-feed/scripts/feed_validate.py feed.csv
It checks every row for required attributes, flags missing/empty values, validates availability/condition enums and price+currency format, and reports a per-row and summary verdict. For the full attribute reference and category-specific requirements, see references/feed-attribute-map.md.
Beyond required, these lift performance: google_product_category, product_type, item_group_id (links variants), color, size, gender, age_group, sale_price, shipping, gtin. Use item_group_id so variants cluster correctly — without it, variants compete as separate products.
| Request | Output |
|---|---|
| Validate | Per-row + summary PASS / FAIL report |
| Generate | Channel-ready feed file |
| Map | Catalog → feed attribute mapping table |
A feed is READY when every item has all required attributes, price/availability match the PDP, variants share an item_group_id, and GTINs are present where they exist.
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