Clears all cell values in a range without deleting the cells themselves. Formatting is preserved.
AI agents call clearRange to permanently remove resources in Google Docs, Drive & Sheets MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Clearing all cell values in a range is an irreversible data loss operation — the content is gone and cannot be recovered without an explicit undo or backup. While the cells and formatting remain, the data itself is permanently erased, making this Destructive. Severity is high because a misconfigured range argument could wipe large swaths of spreadsheet data with no rollback mechanism exposed by the tool.
From the tool's definition Clears all cell values in a range without deleting the cells themselves
Attacks that exploit this kind of access
Clears all cell values in a range without deleting the cells themselves. Formatting is preserved. It is categorised as a Destructive tool in the Google Docs, Drive & Sheets MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Google Docs, Drive & Sheets MCP Server MCP server in PolicyLayer and add a rule for clearRange: 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 Docs, Drive & Sheets MCP Server. Nothing to install.
clearRange is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the clearRange 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 clearRange. 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.
clearRange is provided by the Google Docs, Drive & Sheets MCP Server MCP server (rulords/google-docs-mcp-personal). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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