Google Research Tools

Google Trends By Keywords

Compare Google Trends search interest for multiple keywords across regions and custom time ranges for seasonal and market analysis. Call it via REST API or MCP.

MCP tool name

nexscope_google_trends_by_keywords

MCP endpoint

https://api.nexscope.ai/mcp

JSON-RPC method

tools/call

Authentication

Use OAuth 2.1 Authorization Code with PKCE and the mcp:tools scope. API keys remain supported as a compatibility option.

Authorization: Bearer nk-xxxxxxxxxxxxxxxxx

If authentication fails, ask the user to open API Access and copy a valid key.

Call this MCP tool

Initialize an MCP 2025-11-25 Streamable HTTP session at https://api.nexscope.ai/mcp, then use tools/call.

{
  "jsonrpc": "2.0",
  "id": "google-trends-by-keywords-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_google_trends_by_keywords",
    "arguments": {
      "keyword": "phone case",
      "region": "US"
    }
  }
}

MCP 2025-11-25 · Streamable HTTP

Progress is delivered on the original POST SSE response. GET SSE carries notifications; reconnecting must query existing asynchronous work rather than submit again.

Arguments

Name	Type	Required	Description
`keyword`	`string`	required	Keyword in the target country's language, at most 100 characters. Example: phone case
`region`	`string`	optional	Country/region, default US. Options: US, GB, JP, CA, MX, DE, FR, IT, ES, NL, AU, SG, AE, BR, IN, TR, PL, SE Example: US
`dayRangeStart`	`string`	optional	Time range start (use when you want to freely specify the time range; custom time range takes priority), format YYYY-MM-DD, starting from 2004 Example: {}
`dayRangeEnd`	`string`	optional	Time range end (use when you want to freely specify the time range; custom time range takes priority), format YYYY-MM-DD, starting from 2004 Example: {}

Response fields

Treat structuredContent as the programmatic API response payload.

Name	Type	Required	Description
`trendInfoForKeys`	`array`	optional	Keyword trend information array. Example: {}
`trendInfoForKeys[].keyword`	`string`	optional	Keywords. Example: {}
`trendInfoForKeys[].trendValues`	`array`	optional	Array of trend values. Example: {}
`trendInfoForKeys[].trendValues[].timeRange`	`string`	optional	Time, in the format `yyyy-MM-dd`. Example: {}
`trendInfoForKeys[].trendValues[].value`	`string`	optional	Value, the normalized search popularity, ranges from 0–100. Example: {}
`chartOption`	`object`	optional	Chart rendering metadata. Example: {}
`chartOption.type`	`string`	optional	Data type. Example: {}
`chartOption.fieldX`	`string`	optional	X-axis field. Example: {}
`chartOption.fieldY`	`array`	optional	Y-axis field. Example: {}
`chartOption.data`	`array`	optional	data. Example: {}
`costToken`	`integer`	optional	Consume token. Example: {}

Examples

Example arguments

{
  "keyword": "phone case",
  "region": "US"
}

Example structuredContent

{
  "code": 0,
  "cost": "-1",
  "data": {},
  "msg": null,
  "time": "2026-01-01 00:00:00",
  "traceId": null,
  "ts": "0"
}