Product & Market Research

Mercado Product Selection MCP Tool

Validates the selected tool and its required arguments before calling the governed Lingdong gateway.

MCP tool name

nexscope_mercado_product_selection

Equivalent REST API path

https://api.nexscope.ai/api/skill-api/v1/skills/mercado-product-selection/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": "mercado-product-selection-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_mercado_product_selection",
    "arguments": {
      "toolName": "categorySearch",
      "arguments": {
        "siteId": "MLM",
        "searchText": "Auriculares"
      }
    }
  }
}

REST API equivalent

POST https://api.nexscope.ai/api/skill-api/v1/skills/mercado-product-selection/run

Canonical detail URL

https://www.nexscope.ai/mcp-map/mercado-product-selection

Arguments

Name	Type	Required	Meaning
`toolName`	`string`	required	Exact Mercado tool name. Example: categorySearch
`arguments`	`object`	required	Arguments for the selected tool. Example: { "siteId": "MLM", "searchText": "Auriculares" }

Response fields

Treat structuredContent as the programmatic API response payload.

Name	Type	Required	Meaning
`code`	`string`	optional	Nexscope wrapper status code. Example: 200
`msg`	`string`	optional	Nexscope wrapper status message. Example: ok
`errcode`	`integer`	optional	Gateway business status code. Example: 200
`errmsg`	`string`	optional	Gateway business status message. Example: ok
`type`	`string`	optional	Provider result type. Example: rawMcpToolResult
`toolName`	`string`	optional	Executed Mercado tool name. Example: categorySearch
`charged`	`boolean`	optional	Whether the selected tool is paid. Example: false
`data`	`object`	optional	Parsed business data, or provider text when the result is not JSON. Example: {}
`contentText`	`string`	optional	Original concatenated provider text. Example: Category results...
`textParsedAsJson`	`boolean`	optional	Whether provider text was parsed as JSON. Example: true
`total`	`integer`	optional	Inferred result count when available. Example: 1
`costToken`	`integer`	optional	Provider-reported token cost; free tools return zero. Example: 0
`costTime`	`integer`	optional	Gateway execution time in milliseconds. Example: 308
`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: {}
`page`	`integer`	optional	Current page returned by the upstream provider. Example: {}
`pageSize`	`integer`	optional	Page size returned 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

{
  "toolName": "categorySearch",
  "arguments": {
    "siteId": "MLM",
    "searchText": "Auriculares"
  }
}

Example structuredContent

{
  "code": "200",
  "msg": "ok",
  "errcode": 200,
  "errmsg": "ok",
  "type": "rawMcpToolResult",
  "toolName": "categorySearch",
  "charged": false,
  "data": {},
  "contentText": "Category results...",
  "textParsedAsJson": true,
  "total": 1,
  "costToken": 0,
  "costTime": 308
}