Normalize messy lab Excel and CSV exports into structured tables.
Connect Runs on your machine
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
{
"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>"
}
}
}
}
{
"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>"
}
}
}
}
{
"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
| Name | Description |
|---|---|
EXCEL_ALLOWED_ROOTSRequired | Path-separator list of directories the server may read. |
EXCEL_ALLOW_WRITEOptional | Set to 1 to enable excel_write_csv. Off by default. |
EXCEL_OUTPUT_ROOTSOptional | Path-separator list of directories excel_write_csv may write. |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 18 Oct 2026 |
| Last updated | 18 Oct 2026 |
| Registry name | io.github.antonio-castellon/mcp-advanced-excel |
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