MCP Servers

MCP Search Server

A unified Model Context Protocol server that integrates multiple search providers including Brave, Tavily, Exa, Semantic Scholar, and arXiv. It enables users to perform web, news, and image searches alongside academic research and citation analysis through a single interface.

README

MCP Search Server

MCP (Model Context Protocol) server that unifies multiple search providers.

Supported Services and Tools (30)

Service	Tools	Cost
Brave Search	`brave_web_search`, `brave_news_search`, `brave_image_search`, `brave_video_search`	Paid
Tavily	`tavily_search`, `tavily_extract`, `tavily_crawl`, `tavily_map`, `tavily_image_search`	Paid
Exa	`exa_search`, `exa_contents`, `exa_find_similar`, `exa_search_advanced`, `exa_crawl`, `exa_people_search`	Paid
Semantic Scholar	`scholar_paper_search`, `scholar_paper_search_bulk`, `scholar_paper_search_match`, `scholar_paper_details`, `scholar_paper_batch`, `scholar_paper_authors`, `scholar_paper_citations`, `scholar_paper_references`, `scholar_author_search`, `scholar_author_details`, `scholar_author_papers`, `scholar_author_batch`, `scholar_citation_graph`	Free
arXiv	`arxiv_search`	Free
Utility	`check_usage`	Free

Exclusion Policy

This server excludes provider-side generation/assistant tools such as:

answer/summary/research style tools
autocomplete/suggest/snippet style tools

Install

npm install
npm run build

Configuration

Copy .env.example to .env and set the API keys you use.

BRAVE_API_KEY=your-key
TAVILY_API_KEY=your-key
EXA_API_KEY=your-key
# Optional: SEMANTIC_SCHOLAR_API_KEY=your-key

Notes:

Services without keys are disabled automatically.
Semantic Scholar and arXiv work without API keys.

Client Setup

Claude Desktop (`config.json`)

{
  "mcpServers": {
    "search": {
      "command": "node",
      "args": ["C:/path/to/MCP_search/dist/index.js"],
      "env": {
        "BRAVE_API_KEY": "your-key",
        "TAVILY_API_KEY": "your-key",
        "EXA_API_KEY": "your-key"
      }
    }
  }
}

check_usage Tool

check_usage accepts:

brave
tavily
exa
semantic_scholar
arxiv
all (default)

Development

npm run dev
npm run typecheck
npm test
npm run build
npm start

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