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Exa

Exa is an MCP server that adds search and knowledge tools to AI assistants such as Claude Code, Cursor and VS Code. Connect AI agents to Exa for web search, content fetching, and multi-step research. It has 5,169 GitHub stars, is released under the MIT license and runs as a remote server at https://mcp.exa.ai/mcp.

github.com/exa-labs/exa-mcp-server (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

View on GitHub (opens in a new tab)

Install Exa

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

Settings > Connectors > Add custom connector
URL: https://mcp.exa.ai/mcp

Remote servers are added as a custom connector, not in claude_desktop_config.json.

Claude Code

claude mcp add --transport http exa "https://mcp.exa.ai/mcp"

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "exa": {
      "url": "https://mcp.exa.ai/mcp"
    }
  }
}

VS Code

.vscode/mcp.json
{
  "servers": {
    "exa": {
      "type": "http",
      "url": "https://mcp.exa.ai/mcp"
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Tools (4)

Parsed from the Tools section of the README; check the repository for the current list.

  • web_search_exa

    Search the web for any topic and get clean, ready-to-use content

  • web_fetch_exa

    Read a webpage's full content as clean markdown from one or more URLs

  • agent_run

    Run an Exa Agent for multi-step research, list-building, enrichment, and structured output

  • web_search_advanced_exa

    Advanced search with filters, domains, dates, highlights, summaries, and subpage crawling

About Exa

Connect AI agents to Exa for web search, content fetching, and multi-step research. Documentation  ·  NPM Package  ·  Get your API key

  • code-search
  • codesearch
  • crawling
  • mcp
  • mcp-server
  • model-context-protocol
  • web-search
  • websearch

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FAQ

Exa FAQ

Still curious? Email info@appsgit.com.

How do I install the Exa MCP server?

It is a remote MCP server at https://mcp.exa.ai/mcp. Add it with claude mcp add --transport http in Claude Code, as a url entry in .cursor/mcp.json or .vscode/mcp.json, or as a custom connector in the Claude apps.

Is Exa free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Exa actively maintained?

The most recent commit was on Oct 19, 2026. appsgit only lists MCP servers with a commit in the last six months.