Keyword & Search Demand

Amazon Keyword Expansion MCP Tool

Jungle Scout keyword expansion tool that expands a seed keyword into a list of related keywords with search volume, trends, PPC bids, ranking difficulty, and other metrics, covering 10 Amazon marketplaces including US, UK, DE, JP, etc.

MCP tool name

nexscope_amazon_keyword_expansion

Equivalent REST API path

https://api.nexscope.ai/api/skill-api/v1/skills/amazon-keyword-expansion/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-keyword-expansion-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_amazon_keyword_expansion",
    "arguments": {
      "marketplace": "us",
      "searchTerms": "phone case",
      "needCount": 10
    }
  }
}

REST API equivalent

POST https://api.nexscope.ai/api/skill-api/v1/skills/amazon-keyword-expansion/run

Canonical detail URL

https://www.nexscope.ai/mcp-map/amazon-keyword-expansion

Arguments

Name	Type	Required	Meaning
`marketplace`	`string`	required	Target marketplace code. Options: us, uk, de, in, ca, fr, it, es, mx, jp. Default us Example: us
`searchTerms`	`string`	required	Seed keyword (single keyword string) Example: phone case
`needCount`	`integer`	optional	Total number of results returned Example: 10
`sort`	`string`	optional	Sort field, default -monthly_search_volume_exact (exact search volume descending) Example: {}
`minMonthlySearchVolumeExact`	`integer`	optional	Minimum exact search volume Example: 1
`maxMonthlySearchVolumeExact`	`integer`	optional	Maximum exact search volume Example: 1
`minMonthlySearchVolumeBroad`	`integer`	optional	Minimum broad search volume Example: 1
`maxMonthlySearchVolumeBroad`	`integer`	optional	Maximum broad search volume Example: 1
`minWordCount`	`integer`	optional	Minimum word count for keywords (for filtering long-tail keywords) Example: 1
`maxWordCount`	`integer`	optional	Maximum word count for keywords Example: 1
`minOrganicProductCount`	`integer`	optional	Minimum organic product count Example: 1
`maxOrganicProductCount`	`integer`	optional	Maximum organic product count 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.costToken`	`integer`	optional	Tokens consumed Example: 1
`data.keywordInfoList`	`array`	optional	Keyword information list Example: []
`data.keywordInfoList[].name`	`string`	optional	Keyword name Example: null
`data.keywordInfoList[].country`	`string`	optional	Marketplace code Example: null
`data.keywordInfoList[].monthlySearchVolumeExact`	`integer`	optional	Monthly average exact match search volume Example: 1
`data.keywordInfoList[].monthlySearchVolumeBroad`	`integer`	optional	Monthly average broad match search volume Example: 1
`data.keywordInfoList[].monthlyTrend`	`number`	optional	Monthly search volume change percentage Example: 1
`data.keywordInfoList[].quarterlyTrend`	`number`	optional	Quarterly search volume change percentage Example: 1
`data.keywordInfoList[].dominantCategory`	`string`	optional	Category with the highest share in search results Example: null
`data.keywordInfoList[].relevancyScore`	`integer`	optional	Relative relevance score to the seed keyword. Higher values indicate a closer match; the upstream provider does not document a fixed 0-100 range Example: 1
`data.keywordInfoList[].easeOfRankingScore`	`integer`	optional	Ease of ranking score (higher means easier to rank) Example: 1
`data.keywordInfoList[].organicProductCount`	`integer`	optional	Number of organic ranking products Example: 1
`data.keywordInfoList[].sponsoredProductCount`	`integer`	optional	Number of sponsored products Example: 1
`data.keywordInfoList[].ppcBidExact`	`number`	optional	Exact match PPC suggested bid (USD) Example: 1
`data.keywordInfoList[].ppcBidBroad`	`number`	optional	Broad match PPC suggested bid (USD) Example: 1
`data.keywordInfoList[].spBrandAdBid`	`number`	optional	Sponsored Brand ad suggested bid (USD) Example: 1
`data.keywordInfoList[].recommendedPromotions`	`integer`	optional	Number of recommended promotion giveaways Example: 1
`data.type`	`string`	optional	Provider-specific render or payload type. Example: null
`data.title`	`string`	optional	Provider-specific response title. 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

{
  "marketplace": "us",
  "searchTerms": "phone case",
  "needCount": 10
}

Example structuredContent

{
  "data": {
    "costToken": 1,
    "keywordInfoList": [
      {
        "monthlySearchVolumeExact": 1,
        "monthlySearchVolumeBroad": 1,
        "monthlyTrend": 1,
        "quarterlyTrend": 1,
        "relevancyScore": 1,
        "easeOfRankingScore": 1,
        "organicProductCount": 1,
        "sponsoredProductCount": 1,
        "ppcBidExact": 1,
        "ppcBidBroad": 1,
        "spBrandAdBid": 1,
        "recommendedPromotions": 1
      }
    ]
  },
  "code": 0,
  "msg": null,
  "ts": "0",
  "time": "2026-01-01 00:00:00",
  "cost": "-1",
  "traceId": null
}