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How to install Sezzlee Excel in Codex

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

Built from the published package · server updated yesterday

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add sezzlee-excel -- npx -y @sezzlee/excel-mcp
  2. 2

    Check it

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

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

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Questions

Does Sezzlee Excel work in Codex?

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

Sezzlee Excel 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 Sezzlee Excel safe?

It scores 77 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.