Create a new empty workbook.

Args: name: Workbook name locale: Locale code (e.g. en, de, es, fr) timezone: Timezone (e.g. UTC, America/New_York) language: Language code for formulas (e.g. en, es, de)

Load a workbook from an xlsx file.

Args: file_path: Absolute path to the .xlsx file locale: Locale code (e.g. en, de, es) timezone: Timezone (e.g. UTC) language: Language code for formulas (e.g. en)

Save the current workbook to an xlsx file.

Args: file_path: Path to save to. If omitted, saves to the path it was loaded from.

Get information about the current workbook: sheets, dimensions, and metadata.

Get a single cell's content, formatted value, and type.

Args: sheet: Sheet index (0-based) row: Row number (1-based) column: Column number (1-based)

Get cells in a rectangular range.

Args: sheet: Sheet index (0-based) row_start: First row (1-based) col_start: First column (1-based) row_end: Last row (1-based, inclusive) col_end: Last column (1-based, inclusive)

Set a single cell's value. Use '=' prefix for formulas.

Args: sheet: Sheet index (0-based) row: Row number (1-based) column: Column number (1-based) value: Cell value (text, number, or formula starting with '=')

Set multiple cells in batch. Each entry needs sheet, row, column, value.

Args: cells: List of {sheet: int, row: int, column: int, value: str}

Add a new sheet to the workbook.

Args: name: Optional sheet name. If omitted, auto-named (Sheet2, Sheet3, etc.)

Delete a sheet by index.

Args: sheet: Sheet index (0-based)

Rename a sheet.

Args: sheet: Sheet index (0-based) name: New sheet name

Set the tab color of a sheet.

Args: sheet: Sheet index (0-based) color: Hex color string (e.g. '#FF0000')

Insert rows at the given position.

Args: sheet: Sheet index (0-based) row: Row number where new rows are inserted (1-based) count: Number of rows to insert

Delete rows starting at the given position.

Args: sheet: Sheet index (0-based) row: First row to delete (1-based) count: Number of rows to delete

Insert columns at the given position.

Args: sheet: Sheet index (0-based) column: Column number where new columns are inserted (1-based) count: Number of columns to insert

Delete columns starting at the given position.

Args: sheet: Sheet index (0-based) column: First column to delete (1-based) count: Number of columns to delete

Set the width of a column.

Args: sheet: Sheet index (0-based) column: Column number (1-based) width: Column width in points

Set the height of a row.

Args: sheet: Sheet index (0-based) row: Row number (1-based) height: Row height in points

Freeze the top N rows.

Args: sheet: Sheet index (0-based) count: Number of rows to freeze (0 to unfreeze)

Freeze the left N columns.

Args: sheet: Sheet index (0-based) count: Number of columns to freeze (0 to unfreeze)

Get the style (font, fill, border, alignment, number format) of a cell.

Args: sheet: Sheet index (0-based) row: Row number (1-based) column: Column number (1-based)