Amazon Marketplace Intelligence

Amazon Related Asins MCP Tool

Find Amazon same-niche competitors by ASIN, with multi-dimensional filtering by click conversion rate, composite conversion rate, click volume, sales volume, reviews, ratings, price, and gross margin to identify potential competitors.

MCP tool name

nexscope_amazon_related_asins

Equivalent REST API path

https://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/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-related-asins-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_amazon_related_asins",
    "arguments": {
      "countryCode": "US",
      "pageSize": 10,
      "page": 1,
      "asin": "B072MQ5BRX"
    }
  }
}

REST API equivalent

POST /api/skill-api/v1/runhttps://claw-callback.nexscope.ai/api/skill-api/v1/skills/amazon-related-asins/run

Canonical detail URL

https://www.nexscope.ai/mcp-map/amazon-related-asins

Arguments

Name	Type	Required	Meaning
`asin`	`string`	required	Reference ASIN, used to query competitor listings that belong to the same niche as this ASIN, max length 1000 characters Example: B072MQ5BRX
`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	Items returned per page (10-100) Example: 10
`sortField`	`string`	optional	Sort field (see sort options below) Example: {}
`sortType`	`string`	optional	Sort direction: desc (descending) or asc (ascending) Example: {}
`priceMin`	`number`	optional	Minimum product price Example: 1
`priceMax`	`number`	optional	Maximum product price Example: 1
`fbaFeeMin`	`number`	optional	Minimum FBA fee Example: 1
`fbaFeeMax`	`number`	optional	Maximum FBA fee Example: 1
`grossProfitMarginMin`	`number`	optional	Minimum gross profit margin Example: 1
`grossProfitMarginMax`	`number`	optional	Maximum gross profit margin Example: 1
`totalReviewsMin`	`integer`	optional	Minimum review count Example: 1
`totalReviewsMax`	`integer`	optional	Maximum review count Example: 1
`customerRatingMin`	`number`	optional	Minimum rating, range 0.0-5.0 Example: 1
`customerRatingMax`	`number`	optional	Maximum rating, range 0.0-5.0 Example: 1
`clickCountT7Min`	`integer`	optional	Minimum weekly click count Example: 1
`clickCountT7Max`	`integer`	optional	Maximum weekly click count Example: 1
`clickCountGrowthT7Min`	`number`	optional	Minimum weekly click growth rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickCountGrowthT7Max`	`number`	optional	Maximum weekly click growth rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickConversionRateMin`	`number`	optional	Minimum click conversion rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickConversionRateMax`	`number`	optional	Maximum click conversion rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickCountT30Min`	`integer`	optional	Minimum monthly click count Example: 1
`clickCountT30Max`	`integer`	optional	Maximum monthly click count Example: 1
`clickCountGrowthT30Min`	`number`	optional	Minimum monthly click growth rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickCountGrowthT30Max`	`number`	optional	Maximum monthly click growth rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickConversionRateCompositeMin`	`number`	optional	Minimum composite click conversion rate, range 0-1, e.g., 0.1 means 10% Example: 1
`clickConversionRateCompositeMax`	`number`	optional	Maximum composite click conversion rate, range 0-1, e.g., 0.1 means 10% Example: 1
`salesVolumeT360Min`	`integer`	optional	Minimum annual sales volume Example: 1
`salesVolumeT360Max`	`integer`	optional	Maximum annual sales volume Example: 1
`launchDateMin`	`string`	optional	Earliest listing time, format yyyyMMdd000000 Example: 2026-01-01
`launchDateMax`	`string`	optional	Latest listing time, format yyyyMMdd000000 Example: 2026-01-01
`nicheCountMin`	`integer`	optional	Minimum number of niche markets Example: 1
`nicheCountMax`	`integer`	optional	Maximum number of niche markets Example: 1
`sellerCountry`	`string`	optional	Seller country code, comma-separated for multiple countries, e.g.: CN,US Example: {}

Response fields

Treat structuredContent as the programmatic API response payload.

Name	Type	Required	Meaning
`total`	`integer`	optional	Total record count Example: 1
`pages`	`integer`	optional	Total page count Example: 1
`page`	`integer`	optional	Current page Example: 1
`pageSize`	`integer`	optional	Page size, min 10, max 100 Example: 10
`data`	`array`	optional	ASIN product list (see product object fields below) Example: []
`columns`	`array`	optional	Rendered columns Example: []
`type`	`string`	optional	Render style Example: {}
`costToken`	`integer`	optional	Token consumption Example: 1
`data[].asin`	`string`	optional	Amazon product ASIN Example: B072MQ5BRX
`data[].parentAsin`	`string`	optional	Amazon product parent ASIN Example: B072MQ5BRX
`data[].title`	`string`	optional	Product title Example: {}
`data[].brand`	`string`	optional	Brand Example: {}
`data[].price`	`number`	optional	Price Example: 1
`data[].currentPrice`	`number`	optional	Current price Example: 1
`data[].currency`	`string`	optional	Currency Example: {}
`data[].customerRating`	`number`	optional	Rating Example: 1
`data[].totalReviews`	`integer`	optional	Review count Example: 1
`data[].launchDate`	`string`	optional	Listing time Example: 2026-01-01
`data[].link`	`string`	optional	ASIN link Example: {}
`data[].imagesUrl`	`string`	optional	Product main image Example: https://example.com/image.jpg
`data[].sellerName`	`string`	optional	Seller name Example: {}
`data[].sellerId`	`string`	optional	Seller ID Example: example-id
`data[].fbaFee`	`number`	optional	FBA fee Example: 1
`data[].shippingFee`	`number`	optional	FBA shipping fee Example: 1
`data[].gpm`	`number`	optional	Gross profit margin Example: 1
`data[].clickConversionRate`	`number`	optional	Click conversion rate (original 7-day click conversion rate) Example: 1
`data[].clickConversionRateComposite`	`number`	optional	Composite click conversion rate Example: 1
`data[].clickConversionRateType`	`string`	optional	Conversion rate calculation type Example: {}
`data[].clickConversionRateCompositeType`	`string`	optional	Composite conversion rate calculation type Example: {}
`data[].clickCountT7`	`integer`	optional	7-day click count Example: 1
`data[].clickCountT30`	`integer`	optional	30-day click count Example: 1
`data[].clickCountT90`	`integer`	optional	90-day click count Example: 1
`data[].clickCountGrowthT7`	`number`	optional	Weekly click growth rate Example: 1
`data[].clickCountGrowthT30`	`number`	optional	Monthly click growth rate Example: 1
`data[].purchasedClicksT360`	`integer`	optional	360-day purchase clicks Example: 1
`data[].salesVolumeT360`	`integer`	optional	Annual sales volume Example: 1
`data[].nicheCount`	`integer`	optional	Number of niche markets the product belongs to Example: 1
`data[].sameNicheTitle`	`string`	optional	Same niche title Example: {}
`data[].involvedNum`	`integer`	optional	Number of involved keywords Example: 1
`data[].involvedFrequency`	`integer`	optional	Frequency of involved keywords Example: 1
`data[].categoryNames`	`array`	optional	Category information Example: []
`data[].hasMetric`	`boolean`	optional	Whether the product has metrics Example: false
`data[].searchValueType`	`string`	optional	Search type: exact (exact match), sameNiche (same niche as reference ASIN), category (category) Example: {}
`data[].niches`	`array`	optional	Top 3 niche markets, containing: nicheId, nicheTitle, demand (market score), image, marketplaceId Example: []
`data[].bestSellersRanking`	`array`	optional	Best seller rankings, containing: rank (ranking), category (category name) Example: []
`data[].trends`	`array`	optional	90-day trend data, containing: day (date), clickCountT7 (weekly click count), reviewCount (review count), reviewRating (review rating), bestSellerRanking (BSR ranking), averagePriceT7 (weekly average price), totalOfferDepthT7 (7-day new offers) Example: []
`data[].lastUpdateTime`	`string`	optional	Last update time Example: 2026-01-01
`errcode`	`integer`	optional	Upstream status code returned by the provider. Example: {}
`errmsg`	`string`	optional	Upstream status message returned by the provider. Example: {}
`code`	`string`	optional	Provider-specific status code. Example: {}
`msg`	`string`	optional	Provider-specific status message. Example: {}
`message`	`string`	optional	Provider-specific message. Example: {}
`title`	`string`	optional	Provider-specific response title. Example: {}
`sourceType`	`string`	optional	Provider-specific source platform type. Example: {}
`sourceTool`	`string`	optional	Provider-specific source tool name. Example: {}
`costTime`	`integer`	optional	Execution time reported by the upstream provider. Example: {}
`pageItemCount`	`integer`	optional	Item count on the current page returned by the upstream provider. Example: {}
`totalPage`	`integer`	optional	Total page count returned by the upstream provider. Example: {}
`dataSnapshotMonth`	`string`	optional	Data snapshot month returned by the upstream provider. Example: {}

Examples

Example arguments

{
  "countryCode": "US",
  "pageSize": 10,
  "page": 1,
  "asin": "B072MQ5BRX"
}

Example structuredContent

{
  "total": 1,
  "pages": 1,
  "page": 1,
  "pageSize": 10,
  "data": [
    {
      "asin": "B072MQ5BRX",
      "parentAsin": "B072MQ5BRX",
      "price": 1,
      "currentPrice": 1,
      "customerRating": 1,
      "totalReviews": 1,
      "launchDate": "2026-01-01",
      "imagesUrl": "https://example.com/image.jpg",
      "sellerId": "example-id",
      "fbaFee": 1,
      "shippingFee": 1,
      "gpm": 1,
      "clickConversionRate": 1,
      "clickConversionRateComposite": 1,
      "clickCountT7": 1,
      "clickCountT30": 1,
      "clickCountT90": 1,
      "clickCountGrowthT7": 1,
      "clickCountGrowthT30": 1,
      "purchasedClicksT360": 1,
      "salesVolumeT360": 1,
      "nicheCount": 1,
      "involvedNum": 1,
      "involvedFrequency": 1,
      "categoryNames": [],
      "hasMetric": false,
      "niches": [],
      "bestSellersRanking": [],
      "trends": [],
      "lastUpdateTime": "2026-01-01"
    }
  ],
  "columns": [],
  "costToken": 1
}