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Exa is available as a plugin on the Grok Build marketplace. It gives Grok real-time web search, page reading, and a deep research skill.

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Installation

1

Install Grok Build

Install the Grok CLI (see the Grok Build docs for details):
Then sign in to your xAI account:
2

Open the marketplace

Start Grok Build by running grok, then open the marketplace:
3

Install the Exa plugin

Find exa in the list and press i to install it.
4

Sign in to Exa

Open the MCP servers tab with /mcp, select exa, and press i to sign in. Your browser opens the Exa sign-in page. New accounts get free credits at signup.
Once exa shows ready, ask Grok anything that needs the web.

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What you get

  • web_search_exa: real-time web search. Supports natural language queries and category filters like news, companies, people, research papers, and GitHub.
  • web_fetch_exa: reads any URL and returns the page content as clean markdown.
  • exa-search skill: a deep research skill. Ask Grok for a deep dive on a topic and it runs multiple searches, reads the best sources, and answers with citations.

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Example prompts

  • “Search for recent news about xAI”
  • “Read https://exa.ai and summarize it”
  • “Do a deep dive on open source inference engines”
Last modified on July 24, 2026