google-sheets-mcp

Instructions

Implementation Reference

• gsheet_mcp_server/server.py:529-555 (handler)

  MCP tool handler: defines input schema with Field descriptions, decorated with @mcp.tool() for registration, and delegates execution to the core handler function.
  @mcp.tool() def update_table_column_name_tool( spreadsheet_name: str = Field(..., description="The name of the Google Spreadsheet"), sheet_name: str = Field(..., description="The name of the sheet containing the table"), table_name: str = Field(..., description="Name of the table to update column names in"), column_indices: List[int] = Field(..., description="List of column indices to update (0-based)"), new_column_names: List[str] = Field(..., description="List of new column names (must match column_indices count)") ) -> str: """ Update column names in a table. This tool updates existing column names in a table by their index. The number of column indices must match the number of new column names. Args: spreadsheet_name: Name of the spreadsheet sheet_name: Name of the sheet containing the table table_name: Name of the table to update column names in column_indices: List of column indices to update (0-based) new_column_names: List of new column names Returns: JSON string with success status and update details """ sheets_service, drive_service = _get_google_services() return update_table_column_name_handler(drive_service, sheets_service, spreadsheet_name, sheet_name, table_name, column_indices, new_column_names)
• gsheet_mcp_server/handler/tables/update_table_column_name_handler.py:14-230 (handler)

  Core handler implementation: performs input validation, retrieves spreadsheet/sheet/table info using helper utils, constructs UpdateTableRequest, executes Google Sheets batchUpdate API to update column names and properties.
  def update_table_column_name_handler( drive_service, sheets_service, spreadsheet_name: str, sheet_name: str, table_name: str, column_indices: List[int], new_column_names: List[str] ) -> str: """ Update column names in a table in Google Sheets using the official updateTable operation. According to the official Google Sheets API documentation, to update table column names: 1. Use UpdateTableRequest to update column properties including column names 2. Update both the column properties and header cells Args: drive_service: Google Drive service instance sheets_service: Google Sheets service instance spreadsheet_name: Name of the spreadsheet sheet_name: Name of the sheet containing the table table_name: Name of the table to update column names in column_indices: List of column indices to update (0-based) new_column_names: List of new column names (must match column_indices count) Returns: str: Success message with update details or error message """ try: # Validate inputs if not table_name or table_name.strip() == "": return compact_json_response({ "success": False, "message": "Table name is required." }) if not column_indices or not isinstance(column_indices, list): return compact_json_response({ "success": False, "message": "Column indices are required and must be a list." }) if not new_column_names or not isinstance(new_column_names, list): return compact_json_response({ "success": False, "message": "New column names are required and must be a list." }) if len(column_indices) != len(new_column_names): return compact_json_response({ "success": False, "message": "Number of column indices must match number of new column names." }) # Validate column indices and names validated_renames = [] invalid_renames = [] for i, (col_index, new_name) in enumerate(zip(column_indices, new_column_names)): if not isinstance(col_index, int) or col_index < 0: invalid_renames.append({"index": i, "column_index": col_index, "error": "Column index must be a non-negative integer"}) continue if not new_name or not isinstance(new_name, str) or new_name.strip() == "": invalid_renames.append({"index": i, "new_name": new_name, "error": "New column name cannot be empty"}) continue validated_renames.append({ "column_index": col_index, "new_name": new_name.strip() }) if invalid_renames: error_messages = [f"Rename {item['index']+1}: {item['error']}" for item in invalid_renames] return compact_json_response({ "success": False, "message": f"Invalid column renames: {'; '.join(error_messages)}", "invalid_renames": invalid_renames }) if not validated_renames: return compact_json_response({ "success": False, "message": "No valid column renames provided after validation." }) # Get spreadsheet ID spreadsheet_id = get_spreadsheet_id_by_name(drive_service, spreadsheet_name) if not spreadsheet_id: return compact_json_response({ "success": False, "message": f"Spreadsheet '{spreadsheet_name}' not found." }) # Get sheet ID sheet_ids = get_sheet_ids_by_names(sheets_service, spreadsheet_id, [sheet_name]) sheet_id = sheet_ids.get(sheet_name) if sheet_id is None: return compact_json_response({ "success": False, "message": f"Sheet '{sheet_name}' not found in spreadsheet '{spreadsheet_name}'." }) # Get table ID table_ids = get_table_ids_by_names(sheets_service, spreadsheet_id, sheet_name, [table_name]) table_id = table_ids.get(table_name) if not table_id: return compact_json_response({ "success": False, "message": f"Table '{table_name}' not found in sheet '{sheet_name}'." }) # Get table information try: table_info = get_table_info(sheets_service, spreadsheet_id, table_id) columns = table_info.get('columns', []) table_range = table_info.get('range', {}) except Exception as e: return compact_json_response({ "success": False, "message": f"Could not retrieve information for table '{table_name}': {str(e)}" }) # Validate that all column indices exist in the table existing_column_count = len(columns) invalid_indices = [] valid_renames = [] for rename in validated_renames: col_index = rename["column_index"] if col_index >= existing_column_count: invalid_indices.append(col_index) else: valid_renames.append(rename) if invalid_indices: return compact_json_response({ "success": False, "message": f"Invalid column indices: {invalid_indices}. Table has {existing_column_count} columns (0-based indexing)." }) if not valid_renames: return compact_json_response({ "success": False, "message": "No valid column renames after validation." }) # Create batch update requests requests = [] # Create mapping of column indices to new names rename_mapping = {rename["column_index"]: rename["new_name"] for rename in valid_renames} # Convert existing columns to API format and update column names updated_column_properties = [] for col in columns: col_name = col.get("name", "") col_type = col.get("type", "TEXT") col_index = col.get("index", 0) # Create API format column property api_col_prop = { "columnIndex": col_index, "columnName": rename_mapping.get(col_index, col_name), # Use new name if in mapping, otherwise keep old "columnType": col_type } # Preserve dataValidationRule if it exists if "dataValidationRule" in col: api_col_prop["dataValidationRule"] = col["dataValidationRule"] updated_column_properties.append(api_col_prop) # Update table with new column properties update_table_request = { "updateTable": { "table": { "tableId": table_id, "columnProperties": updated_column_properties }, "fields": "columnProperties.columnName" } } requests.append(update_table_request) # Execute the batch update response = sheets_service.spreadsheets().batchUpdate( spreadsheetId=spreadsheet_id, body={"requests": requests} ).execute() # Extract response information replies = response.get("replies", []) successful_renames = len(valid_renames) response_data = { "success": True, "spreadsheet_name": spreadsheet_name, "sheet_name": sheet_name, "table_name": table_name, "columns_renamed": successful_renames, "renames": valid_renames, "message": f"Successfully renamed {successful_renames} column(s) in table '{table_name}' in '{sheet_name}'" } return compact_json_response(response_data) except HttpError as error: return compact_json_response({ "success": False, "message": f"Google Sheets API error: {str(error)}" }) except Exception as e: return compact_json_response({ "success": False, "message": f"Error renaming table columns: {str(e)}" })