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How to install Sezzlee Excel in Claude Code

To install Sezzlee Excel in Claude Code, run "claude mcp add sezzlee-excel -- npx -y @sezzlee/excel-mcp" in your terminal, then check it with "claude mcp list". It takes about a minute.

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  1. 1

    Run the install command

    Open a terminal in your project and run:

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

    Choose where it applies (optional)

    Add --scope user to use it in every project, or --scope project to share it with your team through a .mcp.json file.

    claude mcp add --scope user sezzlee-excel -- npx -y @sezzlee/excel-mcp
  3. 3

    Check that it is connected

    List your servers, or type /mcp inside a Claude Code session to see its status and tools.

    claude mcp list

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

Install Sezzlee Excel in another app

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Questions

Does Sezzlee Excel work in Claude Code?

Yes. Claude Code supports mcp servers (local and remote), skills and plugins, and Sezzlee Excel installs with the steps above.

Sezzlee Excel does not show up in Claude Code. What now?

Restart Claude Code 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.