setRowHeight
Set the height (in pixels) of one or more rows in a sheet. Indices are 0-based and the interval is half-open [startRow, endRow) — to resize a single row at position 5, pass startRow: 5, endRow: 6.
This record as markdown: /tools/ark7-google-drive-mcp/setrowheight.md
What setRowHeight does on Google Drive
AI agents use setRowHeight to create or update resources in Google Drive, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Google Drive environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
endRow | number | Yes | 0-based end row index (exclusive); must be greater than startRow |
account | string | — | Alias of the Google account to target. Optional — defaults to the session/global default account, or the sole authenticated account. Run manage_accounts list to |
sheetId | number | Yes | Sheet ID (from getSpreadsheetInfo / listSheets). The default first sheet is usually 0. |
startRow | number | Yes | 0-based start row index (inclusive) |
pixelSize | number | Yes | Row height in pixels (must be >= 0) |
spreadsheetId | string | Yes | Spreadsheet ID |
Parameters from the server's own tool schema.
Why setRowHeight is rated Medium
This tool creates or modifies data (sheet formatting) reversibly without deleting or overwriting content irreversibly. It does not execute arbitrary code, move money, or have destructive effects. The blast radius is limited to visual formatting of specific rows within a sheet, affecting only the target spreadsheet's layout.
From the tool's definition Tool modifies spreadsheet formatting by setting row heights via 'Set the height (in pixels) of one or more rows in a sheet'. The operation is reversible—heights can be adjusted again to previous values.
Attacks that exploit this kind of access
The rule that runs setRowHeight safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Google Drive, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For setRowHeight, this is the rule to start with:
setRowHeight stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Google Drive, apply this rule, and every setRowHeight call is checked against it from then on.
Questions about setRowHeight
Set the height (in pixels) of one or more rows in a sheet. Indices are 0-based and the interval is half-open [startRow, endRow) — to resize a single row at position 5, pass startRow: 5, endRow: 6. It is categorised as a Write tool in the Google Drive MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
setRowHeight accepts 6 parameters: endRow, account, sheetId, startRow, pixelSize, spreadsheetId. Required: endRow, sheetId, startRow, pixelSize, spreadsheetId. The full parameter table on this page comes from the server's own tool schema.
Register the Google Drive MCP server in PolicyLayer and add a rule for setRowHeight: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Google Drive. Nothing to install.
setRowHeight is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the setRowHeight rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for setRowHeight. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
setRowHeight is provided by the Google Drive MCP server (@ark7/google-drive-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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