Exa MCP Server

Enables AI assistants like Claude to perform web searches using the Exa AI Search API within a secure environment.

Local serverstdioTypeScript

What is the Exa MCP server?

Exa MCP server is a locally run integration for AI assistants that speak the Model Context Protocol. Enables AI assistants like Claude to perform web searches using the Exa AI Search API within a secure environment.

What you get

A Model Context Protocol (MCP) server lets AI assistants like Claude use the Exa AI Search API for web searches. This setup allows AI models to get real-time web information in a safe and controlled way.

The Model Context Protocol (MCP) is a system that lets AI apps, like Claude Desktop, connect to external tools and data sources. It gives a clear and safe way for AI assistants to work with local services and APIs while keeping the user in control.

  • Web Search Tool — Enables Claude to search the web using natural language queries
  • Error Handling — Gracefully handles API errors and rate limits
  • Type Safety — Full TypeScript implementation with proper type checking

Setting it up

The server ships on npm as @smithery/cli, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

Configuration and credentials

You will need one environment variable: EXA_API_KEY. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Before you begin, ensure you have: - Node.js (v18 or higher) - Claude Desktop installed - An Exa API key - Git installed You can verify your Node.js installation by running: `

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the exa mcp server does with a few real requests.

Choosing this one

Plenty of search and retrieval servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. It is maintained by MrunmayS; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

How to install the Exa MCP server

{
  "mcpServers": {
    "exa-2": {
      "command": "npx",
      "args": ["-y", "@smithery/cli"],
      "env": {
        "EXA_API_KEY": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

Before you begin, ensure you have: - Node.js (v18 or higher) - Claude Desktop installed - An Exa API key - Git installed You can verify your Node.js installation by running: `

VariableDescriptionRequired
EXA_API_KEYCredential the server authenticates with.Yes

Frequently asked questions

MCP is a framework that enables AI applications, like Claude Desktop, to connect to external tools and data sources in a clear and secure manner. It provides a standardized way for AI assistants to interact with APIs.