Read cell values from multiple ranges in a Google Spreadsheet in a single request. Args: - spreadsheet_id (string): The ID of the Google Spreadsheet - ranges (string[]): Array of A1 notation ranges to read (e.g., [
AI agents call sheets_batch_get_values to retrieve information from Google Workspace 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 any side effects. It queries spreadsheet cell values across specified ranges using standard A1 notation. The operation is read-only with no ability to modify, create, or delete data, making it a straightforward Read category tool with low severity due to minimal blast radius if misused—an agent could at most extract unintended data from accessible spreadsheets.
From the tool's definition Tool name contains 'get_values' and description states 'Read cell values from multiple ranges in a Google Spreadsheet' with no modification or deletion capabilities mentioned.
Documented attack patterns abuse exactly the kind of access sheets_batch_get_values gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Google Workspace, and nothing reaches the server without passing your rules. This is the rule we recommend for sheets_batch_get_values:
{
"version": "1",
"default": "deny",
"tools": {
"sheets_batch_get_values": {}
}
}sheets_batch_get_values is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Read cell values from multiple ranges in a Google Spreadsheet in a single request. Args: - spreadsheet_id (string): The ID of the Google Spreadsheet - ranges (string[]): Array of A1 notation ranges to read (e.g., [. It is categorised as a Read tool in the Google Workspace MCP Server, which means it retrieves data without modifying state.
Register the Google Workspace MCP server in PolicyLayer and add a rule for sheets_batch_get_values: 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 Workspace. Nothing to install.
sheets_batch_get_values 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 sheets_batch_get_values 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 sheets_batch_get_values. 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.
sheets_batch_get_values is provided by the Google Workspace MCP server (everyinc/google-workspace-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Google Workspace, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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34 Google Workspace tools catalogued and risk-classified — across an index of 43,000+ MCP servers.