Fetches data from multiple ranges. Queries should be JSON array like [{\"spreadsheet_id\":\"abc\",\"sheet\":\"Sheet1\",\"range\":\"A1:B2\"}].
AI agents call get_multiple_sheet_data to retrieve information from Google Sheets MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data from Google Sheets without modifying, deleting, or executing any operations. It is a straightforward read operation that queries existing spreadsheet data across multiple ranges. The blast radius of misuse is minimal—an attacker could access sensitive data within the spreadsheets the service account has permission to read, but cannot alter or destroy data.
From the tool's definition Tool description explicitly states it "Fetches data from multiple ranges" with query specifications for spreadsheet_id, sheet, and range parameters. No modification, deletion, or execution capabilities are indicated.
Attacks that exploit this kind of access
Fetches data from multiple ranges. Queries should be JSON array like [{\"spreadsheet_id\":\"abc\",\"sheet\":\"Sheet1\",\"range\":\"A1:B2\"}]. It is categorised as a Read tool in the Google Sheets MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Sheets MCP Server MCP server in PolicyLayer and add a rule for get_multiple_sheet_data: 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 Sheets MCP Server. Nothing to install.
get_multiple_sheet_data 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 get_multiple_sheet_data 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 get_multiple_sheet_data. 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.
get_multiple_sheet_data is provided by the Google Sheets MCP Server MCP server (santiagopereda/mcp_googlesheets). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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