Read, write, and batch-update Google Sheets with direct API access.

• Supports three helper commands: +read for retrieving values, +append for adding rows, and batchUpdate for applying multiple validated changes atomically
• Access spreadsheets resource with methods to create, retrieve, and modify sheets, including grid data filtering and developer metadata operations
• Requires Google Workspace authentication via the shared gws prerequisite; use gws schema to inspect method parameters before building requests
• Batch operations validate all requests before applying; if any request fails, the entire batch is rejected with no partial changes