Keyword & Search Demand

Amazon Niche Reviews By Keyword MCP Tool

Amazon niche market review analysis and consumer sentiment insights.

MCP tool name

nexscope_amazon_niche_reviews_by_keyword

Equivalent REST API path

https://api.nexscope.ai/api/skill-api/v1/skills/amazon-niche-reviews-by-keyword/run

JSON-RPC method

tools/call

Authentication

Send the user API key as a bearer token on every MCP JSON-RPC request.

Authorization: Bearer nk-xxxxxxxxxxxxxxxxx

If authentication is missing or invalid, ask the user to open API Access and copy a valid key before calling this tool.

Call this MCP tool

Use tools/call with the MCP tool name below. The arguments object should match the table on this page.

{
  "jsonrpc": "2.0",
  "id": "amazon-niche-reviews-by-keyword-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_amazon_niche_reviews_by_keyword",
    "arguments": {
      "pageSize": 10,
      "keyword": "phone case",
      "countryCode": "US",
      "page": 1
    }
  }
}

REST API equivalent

POST https://api.nexscope.ai/api/skill-api/v1/skills/amazon-niche-reviews-by-keyword/run

Canonical detail URL

https://www.nexscope.ai/mcp-map/amazon-niche-reviews-by-keyword

Arguments

Name	Type	Required	Meaning
`keyword`	`string`	required	Keyword (required, use the language of the corresponding site, e.g. English for the US site, German for the Germany site), max length 1000 characters Example: phone case
`countryCode`	`string`	optional	Country code, options: US (United States), JP (Japan), DE (Germany) Example: {}
`page`	`integer`	optional	Page number (starting from 1) Example: 1
`pageSize`	`integer`	optional	Results per page (10-100) Example: 10
`sortField`	`string`	optional	Sort field, options: clickConversionRateT7 (7-day click conversion rate), demand (demand score), avgPrice (average product price), maximumPrice (highest product price), minimumPrice (lowest product price), productCount (product count), searchConversionRateT7 (7-day search conversion rate), searchVolumeT7 (7-day search volume), unitsSoldT7 (7-day sales volume), searchVolumeGrowthT7 (search growth rate), clickCountT90 (90-day click volume), clickCountT7 (weekly click volume), brandCount (brand count), top5BrandsClickShare (TOP5 brand share), newProductsLaunchedT180 (180-day new product success rate - launch count), successfulLaunchesT180 (180-day new product success rate - new product count), launchRateT180 (180-day new product success rate - launch rate), top5ProductsClickShare (top 5 product click share), returnRateT360 (return rate), clickConversionRateT90 (90-day click conversion rate), searchConversionRateT90 (90-day search conversion rate), searchVolumeT90 (90-day search volume), unitsSoldT90 (90-day sales volume), unitsSoldGrowthT90 (90-day sales growth rate), searchVolumeGrowthT90 (90-day search growth rate), acos, profitRate50 (profit rate for 50% natural orders) Example: {}
`sortType`	`string`	optional	Sort direction, options: desc (descending), asc (ascending) Example: {}
`productCountMin`	`integer`	optional	Minimum product count (current) Example: 1
`productCountMax`	`integer`	optional	Maximum product count (current) Example: 1
`brandCountMin`	`integer`	optional	Minimum brand count Example: 1
`brandCountMax`	`integer`	optional	Maximum brand count Example: 1
`avgPriceMin`	`number`	optional	Minimum average price (current) Example: 1
`avgPriceMax`	`number`	optional	Maximum average price (current) Example: 1
`unitsSoldT7Min`	`integer`	optional	Minimum sales volume (7-day stats) Example: 1
`unitsSoldT7Max`	`integer`	optional	Maximum sales volume (7-day stats) Example: 1
`searchVolumeT7Min`	`integer`	optional	Minimum search volume (7-day stats) Example: 1
`searchVolumeT7Max`	`integer`	optional	Maximum search volume (7-day stats) Example: 1
`clickCountT7Min`	`integer`	optional	Minimum click volume (7-day stats) Example: 1
`clickCountT7Max`	`integer`	optional	Maximum click volume (7-day stats) Example: 1
`clickConversionRateT7Min`	`number`	optional	Minimum click conversion rate (7-day stats) Example: 1
`clickConversionRateT7Max`	`number`	optional	Maximum click conversion rate (7-day stats) Example: 1
`top5BrandsClickShareMin`	`number`	optional	Minimum top 5 brands' click share in the niche market Example: 1
`top5BrandsClickShareMax`	`number`	optional	Maximum top 5 brands' click share in the niche market Example: 1
`top5ProductsClickShareMin`	`number`	optional	Minimum top 5 products click share (current) Example: 1
`top5ProductsClickShareMax`	`number`	optional	Maximum top 5 products click share (current) Example: 1
`sponsoredProductsPercentageMin`	`number`	optional	Minimum SP ad share Example: 1
`sponsoredProductsPercentageMax`	`number`	optional	Maximum SP ad share Example: 1
`avgBrandAgeMin`	`number`	optional	Minimum average brand age (current) Example: 1
`avgBrandAgeMax`	`number`	optional	Maximum average brand age (current) Example: 1
`avgBrandAgeQoqMin`	`number`	optional	Minimum average brand age (90-day stats) Example: 1
`avgBrandAgeQoqMax`	`number`	optional	Maximum average brand age (90-day stats) Example: 1
`avgBrandAgeYoyMin`	`number`	optional	Minimum average brand age (360-day stats) Example: 1
`avgBrandAgeYoyMax`	`number`	optional	Maximum average brand age (360-day stats) Example: 1
`avgSellingPartnerAgeMin`	`number`	optional	Minimum average selling partner age Example: 1
`avgSellingPartnerAgeMax`	`number`	optional	Maximum average selling partner age Example: 1
`avgSellingPartnerAgeQoqMin`	`number`	optional	Minimum average selling partner age (90-day stats) Example: 1
`avgSellingPartnerAgeQoqMax`	`number`	optional	Maximum average selling partner age (90-day stats) Example: 1
`avgSellingPartnerAgeYoyMin`	`number`	optional	Minimum average selling partner age (360-day stats) Example: 1
`avgSellingPartnerAgeYoyMax`	`number`	optional	Maximum average selling partner age (360-day stats) Example: 1
`launchRateT180Min`	`number`	optional	Minimum product launch success rate (180-day stats) Example: 1
`launchRateT180Max`	`number`	optional	Maximum product launch success rate (180-day stats) Example: 1
`newProductRateT180`	`number`	optional	Minimum new product share (180-day stats) Example: 1
`returnRateT360Min`	`number`	optional	Minimum return rate (360-day stats) Example: 1
`returnRateT360Max`	`number`	optional	Maximum return rate (360-day stats) Example: 1
`cpcMediumMin`	`number`	optional	Minimum CPC (current) Example: 1
`cpcMediumMax`	`number`	optional	Maximum CPC (current) Example: 1

Response fields

Treat structuredContent as the programmatic API response payload.

Name	Type	Required	Description
`data`	`any`	required	Data value used by this API operation.
`code`	`integer`	required	0 means accepted or successful; nonzero is a platform error.
`msg`	`string \| null`	required	Msg value used by this API operation.
`ts`	`string`	required	Epoch milliseconds.
`time`	`string`	required	Server local time: yyyy-MM-dd HH:mm:ss.
`cost`	`string`	required	Elapsed milliseconds, never credits; -1 outside web requests.
`traceId`	`string \| null`	required	Trace id value used by this API operation.

Any of option 1

Name	Type	Required	Description
`data`	`object`	required	Data value used by this API operation.
`data.total`	`integer`	optional	Total count Example: 1
`data.data`	`array`	optional	Niche market review list (see data item fields below for details) Example: []
`data.columns`	`array`	optional	Render columns Example: []
`data.costToken`	`integer`	optional	Tokens consumed Example: 1
`data.type`	`string`	optional	Render style Example: null
`data.title`	`string`	optional	Title Example: null
`data.data[].nicheId`	`string`	optional	Niche market ID Example: example-id
`data.data[].nicheName`	`string`	optional	Niche market name Example: null
`data.data[].keyword`	`string`	optional	Keyword Example: phone case
`data.data[].reviewType`	`string`	optional	Review type (values: [Positive Reviews], [Negative Reviews]) Example: null
`data.data[].topic`	`string`	optional	Review topic Example: null
`data.data[].percentOfMentions`	`number`	optional	Share (range 0-1, representing 0%-100%) Example: 1
`data.data[].reviewExample`	`string`	optional	Review example Example: null
`data.sourceType`	`string`	optional	Provider-specific source platform type. Example: null
`data.sourceTool`	`string`	optional	Provider-specific source tool name. Example: null
`data.costTime`	`integer`	optional	Execution time reported by the upstream provider. Example: null
`data.page`	`integer`	optional	Current page returned by the upstream provider. Example: null
`data.pageSize`	`integer`	optional	Page size returned by the upstream provider. Example: null
`data.pageItemCount`	`integer`	optional	Item count on the current page returned by the upstream provider. Example: null
`data.totalPage`	`integer`	optional	Total page count returned by the upstream provider. Example: null
`data.dataSnapshotMonth`	`string`	optional	Data snapshot month returned by the upstream provider. Example: null

Any of option 2

Name	Type	Required	Description
`data`	`null`	required	Data value used by this API operation.

Examples

Example arguments

{
  "pageSize": 10,
  "keyword": "phone case",
  "countryCode": "US",
  "page": 1
}

Example structuredContent

{
  "data": {
    "total": 1,
    "data": [
      {
        "nicheId": "example-id",
        "keyword": "phone case",
        "percentOfMentions": 1
      }
    ],
    "columns": [],
    "costToken": 1
  },
  "code": 0,
  "msg": null,
  "ts": "0",
  "time": "2026-01-01 00:00:00",
  "cost": "-1",
  "traceId": null
}