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Exa MCP Server

Web, code, and company search capabilities for AI assistants.

Data last scanned 2 days ago · Reviewed 2 months ago

764 tools★ 4,801TypeScriptMIT

Overview

Exa MCP Server integrates Exa's specialized search engine directly into AI-powered development environments. It allows AI agents to perform targeted web searches, retrieve code-specific data, and conduct company research without leaving the interface. The server is designed for easy integration with tools like Claude Desktop, Cursor, and VS Code. Users can connect via a hosted URL, providing their Exa API key to enable semantic search capabilities within their local development flow.

Our verdict

With a security score of 76/100, this server holds a medium risk rating. Notably, the lack of OAuth support and the potential for configuration complexity mean users should handle API keys with caution. Because the server is actively maintained by the official Exa organization with 28 contributors and regular updates, it is suitable for developers who require advanced search capabilities, provided they manage their API credentials securely.

Official vendor maintenance by Exa.
Very small footprint with only 7 direct dependencies.
High community adoption with over 4,800 stars.

No detected OAuth support for authentication.
Authentication methods have not yet been independently reviewed.

Setup

Claude Desktop

{
  "mcpServers": {
    "exa-mcp-server": {
      "args": [
        "-y",
        "exa-mcp-server"
      ],
      "command": "npx"
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows), then restart Claude Desktop. Some servers require API keys or tokens as environment variables — check the project's README and add an "env" object if needed.

No read-only mode — running this grants full read/write access.
No built-in authentication — anyone with access to this config can invoke every tool it exposes.

Tools

Tool	Description	Risk
web_search_exa	Search the web for any topic and get clean, ready-to-use content	low
web_fetch_exa	Get the full content of a specific webpage from a known URL	low
web_search_advanced_exa	Advanced web search with full control over filters, domains, dates, and content options	low
agent_run	Run an Exa Agent for multi-step research, list-building, enrichment, or structured output	medium

Compatibility

Client	Local	Docker	Remote	Read-only
Claude Desktop
Cursor
VS Code
Windsurf
ChatGPT

Frequently asked questions

›What do I need to get started with the Exa MCP server?

You will need an Exa API key, which can be obtained from the Exa dashboard.

›How can I configure the server if my client requires an API key?

You can provide your API key by setting the EXA_API_KEY environment variable within your MCP server configuration.

›Is the Exa MCP server available as a native connector?

Yes, Exa is available as a native Claude Connector within the Claude Desktop app, where you can simply search for it in the Connectors directory and add it.

›What capabilities does the Exa MCP server provide to AI assistants?

It provides search capabilities including web search, code search, and company research.

›How do I install the server if my client supports remote MCP?

You can configure remote clients by providing the endpoint URL https://mcp.exa.ai/mcp directly in your configuration file.