This record as markdown: /tools/ark7-google-drive-mcp/listsheets.md
What listSheets does on Google Drive
AI agents call listSheets to retrieve information from Google Drive without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
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 |
spreadsheetId | string | Yes | Spreadsheet ID |
Parameters from the server's own tool schema.
Why listSheets is rated Low
This tool queries and retrieves metadata about sheets within a spreadsheet without creating, modifying, or deleting data. It is purely informational and has minimal blast radius if misused by an AI agent—the only risk would be information disclosure of sheet names the user may not have intended to expose.
From the tool's definition Tool name 'listSheets' and description 'List tabs/sheets in a Google Spreadsheet' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs listSheets 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 listSheets, this is the rule to start with:
listSheets is read-only, so it stays allowed. 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 listSheets call is checked against it from then on.
Questions about listSheets
List tabs/sheets in a Google Spreadsheet. It is categorised as a Read tool in the Google Drive MCP Server, which means it retrieves data without modifying state.
listSheets accepts 2 parameters: account, spreadsheetId. Required: 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 listSheets: 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.
listSheets is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the listSheets 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 listSheets. 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.
listSheets 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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