MCP toolsCheck any pageUpdated
Check a product page
What does mttr_product_check do?
Checks one live product page’s structured data field by field against the fields search engines list for merchant listings, and guesses whether a shopper can buy on the page. Any key may make this call, on any public site.
When to use it
- Before and after a fix to a product template.
- When products do not show as listings and you want to know why.
What you ask
You say“Check the product data on https://example.com/products/linen-shirt.”
Your assistant calls
mttr_product_check({ url: "https://example.com/products/linen-shirt" })
| Argument | Type | Needed | What it is |
|---|---|---|---|
url | Text | Yes | The product page, as a full public address such as https://example.com/products/linen-shirt. |
What comes back
- Each field present, missing or invalid, with what to do.
- A guess at whether a shopper can buy on the page.
- It reads only what the page publishes; listing eligibility is decided elsewhere.
| Field | Found | What to do |
|---|---|---|
| name | Present | Nothing |
| price | Present | Nothing |
| availability | Missing | Add it to each offer |
| gtin | Missing | Add it where the product has one |
Made-up sites and figures, to show the shape of the answer. The answer itself is JSON.
Over HTTP
It is GET /api/v1/check/product, with your key as a bearer token:
curl "https://mttr.si/api/v1/check/product?url=https%3A%2F%2Fexample.com%2Fproducts%2Flinen-shirt" \
-H "Authorization: Bearer $MTTR_KEY"When it fails
| When | Status | What to do |
|---|---|---|
| Your assistant has no key yet | 401 over MCP | Sign up with mttr_signup, then connect again with the key it gives. |
| The key has used this hour’s free checks | 429 | The answer says product checks are limited to an hourly allowance. Try again within the hour. |
Every error’s wording is in the API reference.
The call in full, with its HTTP address, each argument’s type, who may make it and the call in four languages, is mttr_product_check in the API reference.