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Extension Asset Performance
Reports how each ad EXTENSION performs: sitelinks, callouts, the call button, images, structured snippets, business name and logo — impressions, clicks, cost and conversions per asset.
- Type
- Reads only
- Credits
- 2
- Platform
- Google Ads
- Approval
- Not needed, nothing changes
What it does
Reports how each ad EXTENSION performs: sitelinks, callouts, the call button, images, structured snippets, business name and logo — impressions, clicks, cost and conversions per asset.
This answers "which sitelink actually gets clicked" and "how often is the call button used", which no other tool can: list_extension_assets returns configuration only, and rsa_asset_performance covers headlines and descriptions, not extension types. Returns two views: `by_field_type` is the account summary (one row per extension kind) and `assets` is the per-asset detail with each sitelink's own link text or the phone number of a call asset.
`days` is the lookback window. `campaign_id` narrows to one campaign. `field_type` filters to one kind: SITELINK | CALLOUT | CALL | STRUCTURED_SNIPPET | AD_IMAGE | BUSINESS_NAME | BUSINESS_LOGO | PRICE | PROMOTION | MOBILE_APP. `limit` controls this response page (0 = as many rows as safely fit); when `has_more` is true, call again with `page_token=next_page_token` to receive the remaining cached rows without another Google request or credit. Read-only.
MCP: extension_asset_performance
How to use it
You don't call tools by name. Write what you want in ChatGPT, Claude or another assistant connected to Opus Growth, in your own words; it picks this tool when it fits.
Parameters
| Name | Type | Required | Default | |
|---|---|---|---|---|
| customer_id | string | Required | · | Google Ads customer account ID to query or change. Use the numeric ID returned by list_accounts; omit separators unless this tool explicitly says otherwise. |
| days | integer | Optional | 30 | Number of calendar days to look back from now for this analysis or report. |
| campaign_id | string | Optional | · | Exact campaign identifier to target. Use the ID returned by an Opus Growth list or create operation, not a display name. |
| field_type | string | Optional | · | Provider-specific field type accepted by this operation. Use a supported value from the tool documentation or returned provider data. |
| limit | integer | Optional | 0 | Maximum number of rows returned in this response. When the result has_more flag is true, continue with next_page_token rather than assuming the list is complete. |
| page_token | string | Optional | · | Continuation token returned as next_page_token by a previous call. Leave empty for the first page; pass it unchanged to retrieve the cached next page. |
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