google-researcher-mcp

Overview

Google Researcher MCP Server is a comprehensive tool for AI assistants that enables web search, content extraction, and research capabilities. It supports Google search (general, news, images), webpage scraping including JavaScript-rendered sites, YouTube transcript extraction, and document parsing (PDF, DOCX, PPTX). The server features quality scoring, caching mechanisms, and enterprise-grade security with OAuth support. It's designed for production use with multiple transport options and is actively maintained.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• google_search(query: string, num_results?: number, time_range?: string, site_search?: string, exact_terms?: string, exclude_terms?: string) => Promise<any>

  Web search with site, date, and language filters

  Try:Search for recent articles about artificial intelligenceTry:Find news about climate change this month from CNN
• google_news_search(query: string, num_results?: number, freshness?: string, sort_by?: string, news_source?: string) => Promise<any>

  News search with freshness controls

  Try:Find breaking news about AI regulationsTry:Search for tech industry news from last week
• google_image_search(query: string, num_results?: number, size?: string, type?: string, color_type?: string, file_type?: string) => Promise<any>

  Image search with type, size, color filters

  Try:Find images of solar panel installationsTry:Search for clip art of computer icons
• scrape_page(url: string) => Promise<any>

  Extract content from web pages, PDFs, DOCX and YouTube transcripts

  Try:Extract content from https://example.com/articleTry:Get transcript from https://www.youtube.com/watch?v=VIDEO_ID
• search_and_scrape(query: string, num_results?: number, include_sources?: boolean, deduplicate?: boolean, max_length_per_source?: number, total_max_length?: number, filter_by_query?: boolean) => Promise<any>

  Combined search + content extraction with quality scoring

  Try:Research the effects of climate change in 2024Try:Find information about quantum computing advancements
• academic_search(query: string, num_results?: number) => Promise<any>

  Search for academic papers from arXiv, PubMed, IEEE with citations

  Try:Find papers about transformer neural networksTry:Search for research on machine learning optimization
• patent_search(query: string, search_type?: string) => Promise<any>

  Patent search with assignee/inventor filters for prior art analysis

  Try:Search for patents related to machine learning optimizationTry:Find prior art for solar panel technology
• sequential_search(searchStep: string, stepNumber: number, totalStepsEstimate?: number, nextStepNeeded?: boolean) => Promise<any>

  Multi-step research tracking with state management

  Try:Start investigating quantum computing applicationsTry:Continue research on renewable energy solutions

Comparable tools

Installation

{
  "mcpServers": {
    "google-researcher": {
      "command": "npx",
      "args": ["-y", "google-researcher-mcp"],
      "env": {
        "GOOGLE_CUSTOM_SEARCH_API_KEY": "YOUR_API_KEY_HERE",
        "GOOGLE_CUSTOM_SEARCH_ID": "YOUR_SEARCH_ID_HERE"
      }
    }
  }
}

FAQ

What API keys are required?

You need a Google Custom Search API key and Search ID. See the API Setup Guide for step-by-step instructions.

Which clients are supported?

This MCP server supports Claude Desktop, Claude Code, Cursor, and any MCP client that supports STDIO transport.

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