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How to install Excel MCP in Codex

To install Excel MCP in Codex, run "codex mcp add excel-mcp -- npx -y excel-mcp" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 17 months ago

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add excel-mcp -- npx -y excel-mcp
  2. 2

    Check it

    Inside Codex, type /mcp to see the server and its tools.

MCP servers run with your permissions. If Excel MCP needs an API key, add it under env in the config. Check its README.

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Questions

Does Excel MCP work in Codex?

Yes. Codex supports mcp servers in the codex cli and ide extension, and Excel MCP installs with the steps above.

Excel MCP does not show up in Codex. What now?

Restart Codex fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is Excel MCP safe?

It scores 38 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.