65-tool Excel MCP server. Read, write, format, and export .xlsx files. Windows-first.
Connect Runs on your machine
claude mcp add mcp-office-excel -e EXCEL_ALLOWLIST_ROOTS=<EXCEL_ALLOWLIST_ROOTS> -e EXCEL_ENABLE_WRITE=<EXCEL_ENABLE_WRITE> -e EXCEL_ENABLE_COM=<EXCEL_ENABLE_COM> -e EXCEL_MAX_ITEMS=<EXCEL_MAX_ITEMS> -- uvx mcp-office==0.7.0{
"mcpServers": {
"mcp-office-excel": {
"command": "uvx",
"args": [
"mcp-office==0.7.0"
],
"env": {
"EXCEL_ALLOWLIST_ROOTS": "<EXCEL_ALLOWLIST_ROOTS>",
"EXCEL_ENABLE_WRITE": "<EXCEL_ENABLE_WRITE>",
"EXCEL_ENABLE_COM": "<EXCEL_ENABLE_COM>",
"EXCEL_MAX_ITEMS": "<EXCEL_MAX_ITEMS>"
}
}
}
}{
"mcpServers": {
"mcp-office-excel": {
"command": "uvx",
"args": [
"mcp-office==0.7.0"
],
"env": {
"EXCEL_ALLOWLIST_ROOTS": "<EXCEL_ALLOWLIST_ROOTS>",
"EXCEL_ENABLE_WRITE": "<EXCEL_ENABLE_WRITE>",
"EXCEL_ENABLE_COM": "<EXCEL_ENABLE_COM>",
"EXCEL_MAX_ITEMS": "<EXCEL_MAX_ITEMS>"
}
}
}
}{
"servers": {
"mcp-office-excel": {
"type": "stdio",
"command": "uvx",
"args": [
"mcp-office==0.7.0"
],
"env": {
"EXCEL_ALLOWLIST_ROOTS": "<EXCEL_ALLOWLIST_ROOTS>",
"EXCEL_ENABLE_WRITE": "<EXCEL_ENABLE_WRITE>",
"EXCEL_ENABLE_COM": "<EXCEL_ENABLE_COM>",
"EXCEL_MAX_ITEMS": "<EXCEL_MAX_ITEMS>"
}
}
}
}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_ALLOWLIST_ROOTSRequired | Comma-separated directory roots allowed for file access. Required — no files are accessible without this. |
EXCEL_ENABLE_WRITEOptional | Set to 'true' to enable write operations (cell writes, sheet creation, formatting). |
EXCEL_ENABLE_COMOptional | Set to 'true' to activate COM-backed tools: recalculate_workbook, export_as_pdf, hydrate_template, pivot_table, and evaluate_formula(live=True). Windows-only — requires pywin32 and Microsoft Excel. |
EXCEL_MAX_ITEMSOptional | Maximum number of rows/items returned per call. Default: 50. |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 15 Jun 2026 |
| Last updated | 15 Jun 2026 |
| Registry name | io.github.dosev-ai/mcp-office-excel |
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