Agent Central

Share of voice

get_share_of_voice

Read-only

Get Amazon Ads Brand Metrics share-of-voice signals by brand and category, including awareness, consideration, sales, branded searches, detail-page views, add-to-carts, and brand-customer counts versus category peers.

Input Schema

Name	Required	Description	Default
`limit`	No	Max rows (1-1000, default 20).
`offset`	No	Pagination offset (0-100000, default 0). Use the returned pagination.next_offset to continue.
`sort_by`	No	Column to sort by	awareness_index
`end_date`	No	Optional. YYYY-MM-DD. Defaults to today.
`brand_name`	No	Filter by brand name (LIKE match, use % for wildcards)
`profile_id`	No	Filter by ad account profile ID
`sort_order`	No	Sort order	desc
`start_date`	No	Optional. YYYY-MM-DD. Defaults to 90 days ago.
`category_path`	No	Filter by category path (LIKE match, use % for wildcards)
`include_raw_rows`	No	For tabular results, false returns compact rows capped at MCP_TEXT_ROW_PREVIEW_LIMIT (default 10), regardless of limit. Complete-page and custom non-tabular responses may ignore this option; see tool-specific notes. Default true; large full-row responses are capped separately. Freshness fields require include_diagnostics=true in either row mode, where supported.
`category_tree_name`	No	Filter by category tree name
`include_diagnostics`	No	True enables expanded freshness diagnostics. Where supported, snapshot_capture_at and snapshot_data_through_date are populated only when include_diagnostics=true, in both compact and full-row modes; values may still be null if source data is unavailable. Default false. Basic empty-result data-window diagnostics are included by default when available.
`min_awareness_index`	No	Minimum awareness index

Output Schema

Name	Required	Description	Default
`evidence`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed29 schema fields changedNov 7, 2026

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

changedOutput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

changedOutput schema / additionalProperties
```
Previous value: -trueNew value: +{}
```
removedOutput schema / properties / evidence / properties / effective_scope / $ref
```
Removed value: -"#/properties/evidence/properties/requested_scope"
```
addedOutput schema / properties / evidence / properties / effective_scope / additionalProperties
```
Added value: +false
```

addedOutput schema / properties / evidence / properties / effective_scope / properties

Added value: +{
+  "end_date": {
+    "anyOf": [
+      {
+        "format": "date",
+        "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
+        "type": "string"
+      },
+      {
+        "type": "null"
+      }
+    ]
+  },
+  "filters": {
+    "additionalProperties": {},
+    "propertyNames": {
+      "type": "string"
+    },
+    "type": "object"
+  },
+  "group_by": {
+    "items": {
+      "maxLength": 128,
+      "minLength": 1,
+      "type": "string"
+    },
+    "type": "array"
+  },
+  "marketplace_id": {
+    "anyOf": [
+      {
+        "minLength": 1,
+        "type": "string"
+      },
+      {
+        "type": "null"
+      }
+    ]
+  },
+  "reporting_time_zone": {
+    "anyOf": [
+      {
+        "minLength": 1,
+        "type": "string"
+      },
+      {
+        "type": "null"
+      }
+    ]
+  },
+  "sort": {
+    "items": {
+      "additionalProperties": false,
+      "properties": {
+        "direction": {
+          "enum": [
+            "asc",
+            "desc"
+          ],
+          "type": "string"
+        },
+        "field": {
+          "maxLength": 128,
+          "minLength": 1,
+          "type": "string"
+        }
+      },
+      "required": [
+        "field",
+        "direction"
+      ],
+      "type": "object"
+    },
+    "type": "array"
+  },
+  "start_date": {
+    "anyOf": [
+      {
+        "format": "date",
+        "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
+        "type": "string"
+      },
+      {
+        "type": "null"
+      }
+    ]
+  }
+}

addedOutput schema / properties / evidence / properties / effective_scope / required

Added value: +[
+  "marketplace_id",
+  "start_date",
+  "end_date",
+  "reporting_time_zone",
+  "group_by",
+  "sort",
+  "filters"
+]

addedOutput schema / properties / evidence / properties / effective_scope / type
```
Added value: +"object"
```
removedOutput schema / properties / evidence / properties / grain / items / $ref
```
Removed value: -"#/properties/evidence/properties/tool"
```
addedOutput schema / properties / evidence / properties / grain / items / maxLength
```
Added value: +128
```
addedOutput schema / properties / evidence / properties / grain / items / minLength
```
Added value: +1
```
addedOutput schema / properties / evidence / properties / grain / items / type
```
Added value: +"string"
```
removedOutput schema / properties / evidence / properties / join_keys / items / properties / field / $ref
```
Removed value: -"#/properties/evidence/properties/tool"
```
addedOutput schema / properties / evidence / properties / join_keys / items / properties / field / maxLength
```
Added value: +128
```
addedOutput schema / properties / evidence / properties / join_keys / items / properties / field / minLength
```
Added value: +1
```
addedOutput schema / properties / evidence / properties / join_keys / items / properties / field / type
```
Added value: +"string"
```

changedOutput schema / properties / evidence / properties / observed / properties / data_start / anyOf

Previous value: -[
-  {
-    "format": "date",
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "format": "date",
+    "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

changedOutput schema / properties / evidence / properties / observed / properties / data_through / anyOf

Previous value: -[
-  {
-    "format": "date",
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "format": "date",
+    "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

changedOutput schema / properties / evidence / properties / requested_scope / properties / end_date / anyOf

Previous value: -[
-  {
-    "format": "date",
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "format": "date",
+    "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

addedOutput schema / properties / evidence / properties / requested_scope / properties / filters / propertyNames
```
Added value: +{
+  "type": "string"
+}
```
removedOutput schema / properties / evidence / properties / requested_scope / properties / group_by / items / $ref
```
Removed value: -"#/properties/evidence/properties/tool"
```
addedOutput schema / properties / evidence / properties / requested_scope / properties / group_by / items / maxLength
```
Added value: +128
```
addedOutput schema / properties / evidence / properties / requested_scope / properties / group_by / items / minLength
```
Added value: +1
```
addedOutput schema / properties / evidence / properties / requested_scope / properties / group_by / items / type
```
Added value: +"string"
```
removedOutput schema / properties / evidence / properties / requested_scope / properties / sort / items / properties / field / $ref
```
Removed value: -"#/properties/evidence/properties/tool"
```
addedOutput schema / properties / evidence / properties / requested_scope / properties / sort / items / properties / field / maxLength
```
Added value: +128
```
addedOutput schema / properties / evidence / properties / requested_scope / properties / sort / items / properties / field / minLength
```
Added value: +1
```
addedOutput schema / properties / evidence / properties / requested_scope / properties / sort / items / properties / field / type
```
Added value: +"string"
```

changedOutput schema / properties / evidence / properties / requested_scope / properties / start_date / anyOf

Previous value: -[
-  {
-    "format": "date",
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "format": "date",
+    "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

Changed2 schema fields changedOct 27, 2026

changedInput schema / properties / include_diagnostics / description

Previous value: -"True may add expanded freshness diagnostics. Basic empty-result data-window diagnostics are included by default when available."New value: +"True enables expanded freshness diagnostics. Where supported, snapshot_capture_at and snapshot_data_through_date are populated only when include_diagnostics=true, in both compact and full-row modes; values may still be null if source data is unavailable. Default false. Basic empty-result data-window diagnostics are included by default when available."

changedInput schema / properties / include_raw_rows / description

Previous value: -"False returns compact rows. Default true."New value: +"For tabular results, false returns compact rows capped at MCP_TEXT_ROW_PREVIEW_LIMIT (default 10), regardless of limit. Complete-page and custom non-tabular responses may ignore this option; see tool-specific notes. Default true; large full-row responses are capped separately. Freshness fields require include_diagnostics=true in either row mode, where supported."

Changed5 schema fields changedOct 27, 2026

changedOutput schema / properties / evidence / properties / basis / properties / date / items / enum

Previous value: -[
-  "order_date",
-  "reporting_date",
-  "click_attribution_date",
-  "posted_date",
-  "settlement_date",
-  "snapshot_date",
-  "live_observation_time",
-  "event_time",
-  "effective_date",
-  "not_applicable",
-  "not_reported"
-]New value: +[
+  "order_date",
+  "reporting_date",
+  "click_attribution_date",
+  "posted_date",
+  "financial_event_group_start",
+  "settlement_date",
+  "snapshot_date",
+  "live_observation_time",
+  "event_time",
+  "effective_date",
+  "not_applicable",
+  "not_reported"
+]

changedOutput schema / properties / evidence / properties / entity_types / items / enum

Previous value: -[
-  "account",
-  "marketplace",
-  "product",
-  "variation_family",
-  "listing",
-  "offer",
-  "inventory_item",
-  "fulfillment_center",
-  "order",
-  "order_item",
-  "campaign",
-  "ad_group",
-  "ad",
-  "target",
-  "keyword",
-  "search_query",
-  "portfolio",
-  "store",
-  "audience_segment",
-  "dsp_advertiser",
-  "shipment",
-  "inbound_plan",
-  "fulfillment_operation",
-  "transaction",
-  "settlement",
-  "financial_event",
-  "return",
-  "reimbursement",
-  "promotion",
-  "review",
-  "catalog_definition",
-  "audit_event",
-  "not_applicable"
-]New value: +[
+  "account",
+  "marketplace",
+  "product",
+  "variation_family",
+  "listing",
+  "offer",
+  "inventory_item",
+  "fulfillment_center",
+  "order",
+  "order_item",
+  "campaign",
+  "ad_group",
+  "ad",
+  "target",
+  "keyword",
+  "search_query",
+  "portfolio",
+  "store",
+  "audience_segment",
+  "dsp_advertiser",
+  "shipment",
+  "inbound_plan",
+  "fulfillment_operation",
+  "transaction",
+  "settlement",
+  "financial_event",
+  "financial_event_group",
+  "return",
+  "reimbursement",
+  "promotion",
+  "review",
+  "catalog_definition",
+  "audit_event",
+  "not_applicable"
+]

changedOutput schema / properties / evidence / properties / join_keys / items / properties / entity_type / enum

Previous value: -[
-  "account",
-  "marketplace",
-  "product",
-  "variation_family",
-  "listing",
-  "offer",
-  "inventory_item",
-  "fulfillment_center",
-  "order",
-  "order_item",
-  "campaign",
-  "ad_group",
-  "ad",
-  "target",
-  "keyword",
-  "search_query",
-  "portfolio",
-  "store",
-  "audience_segment",
-  "dsp_advertiser",
-  "shipment",
-  "inbound_plan",
-  "fulfillment_operation",
-  "transaction",
-  "settlement",
-  "financial_event",
-  "return",
-  "reimbursement",
-  "promotion",
-  "review",
-  "catalog_definition",
-  "audit_event",
-  "not_applicable"
-]New value: +[
+  "account",
+  "marketplace",
+  "product",
+  "variation_family",
+  "listing",
+  "offer",
+  "inventory_item",
+  "fulfillment_center",
+  "order",
+  "order_item",
+  "campaign",
+  "ad_group",
+  "ad",
+  "target",
+  "keyword",
+  "search_query",
+  "portfolio",
+  "store",
+  "audience_segment",
+  "dsp_advertiser",
+  "shipment",
+  "inbound_plan",
+  "fulfillment_operation",
+  "transaction",
+  "settlement",
+  "financial_event",
+  "financial_event_group",
+  "return",
+  "reimbursement",
+  "promotion",
+  "review",
+  "catalog_definition",
+  "audit_event",
+  "not_applicable"
+]

changedOutput schema / properties / evidence / properties / join_keys / items / properties / role / enum

Previous value: -[
-  "account_id",
-  "marketplace_id",
-  "asin",
-  "advertised_asin",
-  "purchased_asin",
-  "child_asin",
-  "parent_asin",
-  "seller_sku",
-  "fnsku",
-  "order_id",
-  "order_item_id",
-  "campaign_id",
-  "ad_group_id",
-  "ad_id",
-  "target_id",
-  "keyword_id",
-  "search_query",
-  "portfolio_id",
-  "shipment_id",
-  "inbound_plan_id",
-  "operation_id",
-  "transaction_id",
-  "settlement_id",
-  "promotion_id",
-  "not_applicable"
-]New value: +[
+  "account_id",
+  "marketplace_id",
+  "asin",
+  "advertised_asin",
+  "purchased_asin",
+  "child_asin",
+  "parent_asin",
+  "seller_sku",
+  "fnsku",
+  "order_id",
+  "order_item_id",
+  "campaign_id",
+  "ad_group_id",
+  "ad_id",
+  "target_id",
+  "keyword_id",
+  "search_query",
+  "portfolio_id",
+  "shipment_id",
+  "inbound_plan_id",
+  "operation_id",
+  "transaction_id",
+  "financial_event_group_id",
+  "settlement_id",
+  "promotion_id",
+  "not_applicable"
+]

changedOutput schema / properties / evidence / properties / metric_families / items / enum

Previous value: -[
-  "sales",
-  "traffic",
-  "advertising",
-  "inventory",
-  "returns",
-  "reimbursements",
-  "fees",
-  "profitability",
-  "catalog",
-  "rank",
-  "fulfillment",
-  "pricing",
-  "promotions",
-  "reviews",
-  "audit",
-  "availability",
-  "not_applicable"
-]New value: +[
+  "sales",
+  "traffic",
+  "advertising",
+  "inventory",
+  "returns",
+  "reimbursements",
+  "payouts",
+  "fees",
+  "profitability",
+  "catalog",
+  "rank",
+  "fulfillment",
+  "pricing",
+  "promotions",
+  "reviews",
+  "audit",
+  "availability",
+  "not_applicable"
+]

AddedOct 7, 2026

TDQS

C2.9/5.0

Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=false, so safety is covered; the description adds nothing beyond the topic list. It says nothing about data freshness, the 90-day default window semantics, pagination behaviour, or the fact that these are index metrics computed against category peers — all of which affect interpretation. It also does not contradict the annotations, so this is a gap rather than an error.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with the resource and metric scope in the leading clause and no filler or marketing language. It is efficiently sized, though the trailing metric enumeration is long and largely duplicates what the enum values in sort_by already reveal.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists, so return-shape explanation is legitimately out of scope, and all 13 parameters are schema-documented. What is still missing for a tool of this complexity is measurement context: what an 'index' means relative to category peers, and any account-eligibility caveat. Adequate but with a clear interpretive gap.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and every one of the 13 parameters (limit, offset, sort_by, sort_order, date range, brand_name, category_path, profile_id, include_raw_rows, include_diagnostics, min_awareness_index) is documented in the schema itself. The description's phrase 'by brand and category' loosely points at the brand_name/category_path filters but contributes no semantics beyond what the schema already states. Baseline 3 applies when the schema carries the burden.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Names a specific verb ('Get') and a specific resource ('Amazon Ads Brand Metrics share-of-voice signals') and enumerates the metric families returned (awareness, consideration, sales, branded searches, detail-page views, add-to-carts, brand-customer counts). An agent can tell this is a brand-benchmarking retrieval tool. It does not, however, distinguish itself from near-neighbours like get_brand_health, get_brand_search_terms, or get_competitive_pricing, which is what would push it to a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description gives no when-to-use or when-not-to-use guidance, no mention of alternatives (e.g., use get_brand_search_terms for raw search-term detail), and no prerequisites such as requiring an Amazon Brand Registry / vendor-linked ad account for Brand Metrics to be populated. The agent must infer selection purely from the title.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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