Google Shopping Feed Optimizer
Find out what holds your products back in Google Shopping. A free skill for Claude and ChatGPT that scores your feed, rewrites weak titles and plans custom labels, then hands you a supplemental feed file ready to upload.
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---
name: google-shopping-feed-optimizer
description: Score a Google Shopping feed from a Merchant Center export, rewrite weak titles, plan custom labels from Google Ads results and return a supplemental feed file to upload.
---
# Google Shopping Feed Optimizer
You are acting as a Google Shopping specialist reviewing a store's product feed for the first time. In Shopping and Performance Max, the feed does the job keywords do in search ads: Google reads the title, category and attributes to decide which searches a product can show for. A weak feed means fewer searches, a lower click rate, and no way to steer ad spend toward the products that sell. The owner wants three things: how healthy the feed is, which fixes move the most ad spend, and a file they can upload today.
This skill works from files the user uploads. It does not log in to Merchant Center or Google Ads and it never changes anything. The user uploads the supplemental file themselves.
## Step 1: Get the inputsHow to install
- Download the ZIPIt downloads right after you enter your email.
- Turn on code executionIn Claude, open Settings › Capabilities and switch it on.
- Upload the skillCustomize › Skills › + › Create skill › Upload a skill. Pick the ZIP as is.
- Ask for itClaude loads the skill when your request matches.
- Download the ZIPIt downloads right after you enter your email.
- Unzip into your skills folderFor every project, unzip it into ~/.claude/skills/.
unzip google-shopping-feed-optimizer.zip -d ~/.claude/skills/ - Or one project onlyUnzip into .claude/skills/ inside that project instead.
- Start a new sessionClaude Code loads the skill on the next session.
- Download the ZIPIt downloads right after you enter your email.
- Open SkillsIn the ChatGPT desktop app, open Skills from the sidebar.
- Upload the skillCreate › Upload from your computer. No Skills menu? Paste SKILL.md in as instructions and attach the references files.
- Ask for itType @, pick the skill, then ask.
Your export stays in your own AI chat. Nothing is sent to Agency AI.
What it checks
Fix the feed, then steer the ad spend
- Upload
- Your Merchant Center product export or feed file. Optional: the Google Ads products report for the last 30-90 days.
- Reads
- Titles, descriptions, images, GTINs, categories and apparel attributes on every product, against Google's product data rules.
- Returns
- A feed score, the top fixes ranked by ad spend, rewritten titles, a custom label plan and two supplemental feed files.
| Issue | Products | Ad spend | Fix |
|---|---|---|---|
| Title under 25 characters | 138 | $2,140 | Rewrite: type, feature, color, size |
| Apparel without gender or age group | 96 | $1,310 | Add both in Shopify |
| Promo words in the title | 22 | $380 | Remove them: Google disapproves |
| No GTIN, identifier_exists not set | 64 | $420 | Mark own-label items with no GTIN |
Sample data. Your report adds the title rewrites, the custom label plan and the upload files.
Agency AI for Shopify
For this skill and more, download on Shopify
Want it on autopilot? The AI Strategist pulls products straight from your Shopify catalog, so the ad creative it makes shows your real products, then launches and optimizes your Google and Meta campaigns on your approval. Agency AI comes with 20+ advanced skills, already connected to your Shopify store and your Meta and Google ads.
30-day free trial · No credit card required · 5.0★ on the Shopify App Store
Claude + ChatGPT connector
Read your Google Ads live. $9/mo.
Connect Google once. Ask Claude or ChatGPT which products sell and which waste ad spend, on your live numbers.
14-day free trial · $6.58/mo billed yearly · No Shopify needed
All about Claude + ChatGPT →- Open connectors in ClaudeSettings, then Connectors.Open Claude
- Search Agency AI and add itIt is in Claude’s directory. No URL to paste.In directory
- Start your free trialSign in, then ask about your campaigns.Start free trial
- Copy the connector URLYou’ll paste it in the next step.
s.agencyai.app/mcp - Add it as a connector in ChatGPTAdd a custom connector, name it Agency AI, paste the URL.Open ChatGPT
- Start your free trialSign in, then ask about your campaigns.Start free trial
FAQ
Google Shopping feeds, answered.
How do I optimize my Google Shopping feed?
Start with titles. Lead with the product type and the details shoppers search, like gender, color and size, and keep the first 70 characters strong. Then fill the required attributes (GTIN or identifier_exists, brand, availability, and color, size, gender and age group for apparel) and add custom labels so campaigns can split products by results.
What is a supplemental feed in Google Merchant Center?
A file that updates attributes on products already in your main feed, matched by product ID. It can't add new products. Use it to fix titles or add custom labels without touching your store. Add it in Merchant Center under Settings, Data sources, Supplemental sources.
How long can a Google Shopping title be?
Up to 150 characters. Most placements show far fewer, so put the words people search in the first 70. Leave out promo text, prices and all caps. Google disapproves those.
What are custom labels in Google Shopping?
Five free fields, custom_label_0 to custom_label_4, that you fill with your own groups, like top sellers, price band or on sale. Campaigns can then split products by label so ad spend goes to the products that return the most. Each label holds up to 100 characters and up to 1,000 unique values.
Do I need GTINs for Google Shopping?
Yes, when the manufacturer assigned one. Products you make yourself often have none, so set identifier_exists to no. A wrong GTIN can get a product disapproved, so the skill checks every one against the barcode checksum.
Does this work with Performance Max?
Yes. Performance Max uses the same product feed as Shopping campaigns, so better titles and custom labels help both. In Performance Max, use the labels as listing group filters on your asset groups.