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Advanced Excel

io.github.antonio-castellon/mcp-advanced-excel · v0.2.0

Normalize messy lab Excel and CSV exports into structured tables.

Connect Runs on your machine

Terminal
claude mcp add mcp-advanced-excel -e EXCEL_ALLOWED_ROOTS=<EXCEL_ALLOWED_ROOTS> -e EXCEL_ALLOW_WRITE=<EXCEL_ALLOW_WRITE> -e EXCEL_OUTPUT_ROOTS=<EXCEL_OUTPUT_ROOTS> -- uvx mcp-advanced-excel==0.2.0
claude_desktop_config.json
{
  "mcpServers": {
    "mcp-advanced-excel": {
      "command": "uvx",
      "args": [
        "mcp-advanced-excel==0.2.0"
      ],
      "env": {
        "EXCEL_ALLOWED_ROOTS": "<EXCEL_ALLOWED_ROOTS>",
        "EXCEL_ALLOW_WRITE": "<EXCEL_ALLOW_WRITE>",
        "EXCEL_OUTPUT_ROOTS": "<EXCEL_OUTPUT_ROOTS>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp-advanced-excel": {
      "command": "uvx",
      "args": [
        "mcp-advanced-excel==0.2.0"
      ],
      "env": {
        "EXCEL_ALLOWED_ROOTS": "<EXCEL_ALLOWED_ROOTS>",
        "EXCEL_ALLOW_WRITE": "<EXCEL_ALLOW_WRITE>",
        "EXCEL_OUTPUT_ROOTS": "<EXCEL_OUTPUT_ROOTS>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp-advanced-excel": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-advanced-excel==0.2.0"
      ],
      "env": {
        "EXCEL_ALLOWED_ROOTS": "<EXCEL_ALLOWED_ROOTS>",
        "EXCEL_ALLOW_WRITE": "<EXCEL_ALLOW_WRITE>",
        "EXCEL_OUTPUT_ROOTS": "<EXCEL_OUTPUT_ROOTS>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
EXCEL_ALLOWED_ROOTS
Required
Path-separator list of directories the server may read.
EXCEL_ALLOW_WRITE
Optional
Set to 1 to enable excel_write_csv. Off by default.
EXCEL_OUTPUT_ROOTS
Optional
Path-separator list of directories excel_write_csv may write.

Details

Package[email protected] (PYPI, stdio)
First published18 Oct 2026
Last updated18 Oct 2026
Registry nameio.github.antonio-castellon/mcp-advanced-excel

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