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An MCP server for manipulating Excel files programmatically, enabling AI agents to create, read, and modify workbooks without needing Excel installed.
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An MCP server for manipulating Excel files programmatically, enabling AI agents to create, read, and modify workbooks without needing Excel installed.
The Excel MCP server is relatively safe when used locally with the stdio transport. However, when exposed via SSE or Streamable HTTP, it becomes more risky due to the lack of authentication and potential for unauthorized file access. Ensure proper environment configuration and restrict access to minimize risks.
Performance depends on the size of the Excel files and the complexity of the operations. Large files and complex formulas can significantly impact processing time. Consider optimizing file structure and formula complexity for better performance.
The primary cost is the computational resources required to run the server. For remote deployments, consider the cost of network bandwidth and server infrastructure.
uvx excel-mcp-server stdio{
"mcpServers": {
"excel": {
"command": "uvx",
"args": ["excel-mcp-server", "stdio"]
}
}
}EXCEL_FILES_PATHFASTMCP_PORTcreate_workbookCreates a new Excel workbook.
Creates a new file, but doesn't overwrite existing ones without explicit instruction.
read_worksheetReads data from a specified worksheet in the Excel file.
Read-only operation, no modification of data.
update_cellUpdates the value of a specific cell in a worksheet.
Modifies data within the Excel file.
delete_worksheetDeletes a worksheet from the Excel workbook.
Destructive operation that removes a worksheet.
create_tableCreates a new table within a worksheet.
Adds a new table, potentially modifying the worksheet structure.
create_chartGenerates a chart based on data in the Excel file.
Adds a chart to the Excel file, modifying its structure.
None
hybrid
The Excel MCP server is relatively safe when used locally with the stdio transport. However, when exposed via SSE or Streamable HTTP, it becomes more risky due to the lack of authentication and potential for unauthorized file access. Ensure proper environment configuration and restrict access to minimize risks.
The server allows for full read and write access by default, so it's crucial to implement appropriate safeguards when used in autonomous agents. Without sandboxing or rollback support, destructive actions can have lasting consequences.
Production Tip
Monitor file access and modification events to detect anomalies and potential security breaches.
No, it does not require Microsoft Excel to be installed.
Implement network-level security measures, such as firewalls, and consider using a reverse proxy with authentication capabilities.
The default location is `./excel_files`, but it can be configured using the `EXCEL_FILES_PATH` environment variable.
Yes, you can use the server to create and evaluate Excel formulas.
The server supports various chart types, including line, bar, pie, and scatter charts.
Currently, there is no built-in mechanism to limit file access. You should implement file system permissions and access controls at the OS level.
The server is single-threaded, so concurrent access may lead to performance issues or data corruption.