Google Research Tools

Google Research Tools: search API

Google Research Tools: search API.

MCP tool name

nexscope_data_patents_search

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": "data-patents-search-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_data_patents_search",
    "arguments": {
      "num": 10,
      "q": "wireless earbuds"
    }
  }
}

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
`q`	`string`	required	Google Patents search query supports official advanced query syntax (such as `owner:"Company"`, `inventor:"Name"`, date operator). Maximum 1000 characters. Example: {}
`num`	`integer`	optional	Number of results per page, range 10–100. Example: 10
`page`	`integer`	optional	Page number, starting from 1. Example: 1
`country`	`string`	optional	Country code, multiple values separated by commas, for example `US,CN,WO`. Example: {}
`language`	`string`	optional	Language, multiple values separated by English commas, use Google Patents official language value. Example: {}
`before`	`string`	optional	Maximum date, format `priority\\|filing\\|publication:YYYYMMDD`. Example: {}
`after`	`string`	optional	Minimum date, the format is the same as `before`. Example: {}
`sort`	`string`	optional	Sorting method: `new` (latest) or `old` (earliest); if not transmitted, sorted by relevance. Example: {}
`type`	`string`	optional	Result type: `PATENT` or `DESIGN`. Example: {}
`status`	`string`	optional	Patent status: `GRANT` or `APPLICATION`. Example: {}
`patents`	`boolean`	optional	Whether to include patent results. Example: true
`scholar`	`boolean`	optional	Whether to include Google Scholar results. Example: false
`litigation`	`string`	optional	Litigation Status: `YES` or `NO`. Example: {}
`inventor`	`string`	optional	Inventor, multiple values are separated by commas. Example: {}
`assignee`	`string`	optional	Assignee, multiple values separated by commas. Example: {}
`clustered`	`boolean`	optional	Whether to aggregate by category; upstream currently only supports `true`. Example: {}
`dups`	`string`	optional	Deduplication method; when not uploading, deduplication is based on patent family, `language` means deduplication is based on public text. Example: {}

Response fields

Treat structuredContent as the programmatic API response payload.

Name	Type	Required	Description
`errcode`	`integer`	optional	`200` indicates success. Example: {}
`errmsg`	`string`	optional	`ok` indicates success, otherwise it is an error description. Example: {}
`organicResults`	`array`	optional	List of patent search results. Example: {}
`searchParameters`	`object`	optional	Echoed query parameters (`q`/`engine`/`num`/`patents`/`page`/`scholar`, etc.). Example: {}
`searchInformation`	`object`	optional	Retrieve meta information, including `total_results` (total number of hits), `total_pages` (total number of pages), `page_number` (current page). Example: {}
`searchMetadata`	`object`	optional	Retrieve processing metadata. Example: {}
`pagination`	`object`	optional	Paging information (`next`, `current`). Example: {}
`serpapiPagination`	`object`	optional	Upstream paging information. Example: {}
`summary`	`object`	optional	Result summary (including `cpc` classification aggregation, etc., only part of it is returned during classification aggregation). Example: {}
`costToken`	`integer`	optional	Consume token. Example: {}
`message`	`string`	optional	Upstream prompt information; successful but may appear under special circumstances. Most successful responses do not contain this field. Example: {}
`publicationNumber`	`string`	optional	Public account. Example: {}
`patentId`	`string`	optional	Patent ID. Example: {}
`title`	`string`	optional	Patent or academic result titles. Example: {}
`snippet`	`string`	optional	Abstracts of patent or academic results. Example: {}
`inventor`	`string`	optional	Inventor. Example: {}
`assignee`	`string`	optional	Assignee. Example: {}
`filingDate`	`string`	optional	Application date. Example: {}
`publicationDate`	`string`	optional	Publication or release date. Example: {}
`grantDate`	`string`	optional	Authorization date. Example: {}
`priorityDate`	`string`	optional	Priority date. Example: {}
`language`	`string`	optional	Patent language. Example: {}
`cpc`	`string`	optional	Collaborative patent classification (returned only when classification is aggregated). Example: {}
`cpcDescription`	`string`	optional	Description of cooperative patent classification. Example: {}
`countryStatus`	`object`	optional	The legal status of each country. Example: {}
`position`	`integer`	optional	Search result location. Example: {}
`rank`	`integer`	optional	Result ranking (may differ from `position` when aggregated). Example: {}
`patentLink`	`string`	optional	Google Patents patent link. Example: {}
`pdf`	`string`	optional	Patent PDF link. Example: {}
`thumbnail`	`string`	optional	Patent thumbnail. Example: {}
`figures`	`array`	optional	Patent image list, elements containing `thumbnail`, `full`. Example: {}
`scholar`	`boolean`	optional	Whether it is a Google Scholar result. Example: {}
`scholarId`	`string`	optional	Scholar result ID. Example: {}
`scholarLink`	`string`	optional	Google Scholar results link. Example: {}
`author`	`string`	optional	Scholar result author. Example: {}
`authorEtal`	`boolean`	optional	Whether the Scholar result contains three or more authors. Example: {}
`publicationVenue`	`string`	optional	Scholar results publication venue. Example: {}
`urlHostname`	`string`	optional	Scholar result source domain name. Example: {}
`serpapiLink`	`string`	optional	Result details API link. Example: {}

Examples

Example arguments

{
  "num": 10,
  "q": "wireless earbuds"
}

Example structuredContent

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