query_sheet
AI agents call query_sheet to retrieve information from Google Connections without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name 'query_sheet' indicates a retrieval operation on Google Sheets data. Without a description, confidence is slightly reduced, but the naming convention and context of sibling tools that clearly perform mutations (add, append, clear, complete, batch_modify) support classifying this as a Read operation. Querying data has no side effects and represents the lowest security risk.
From the tool's definition Tool name 'query_sheet' strongly implies querying/retrieving data from Google Sheets. No description provided, but the name pattern matches standard Read operations (query, search, get, fetch).
Attacks that exploit this kind of access
query_sheet. It is categorised as a Read tool in the Google Connections MCP Server, which means it retrieves data without modifying state.
Register the Google Connections MCP server in PolicyLayer and add a rule for query_sheet: 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 Connections. Nothing to install.
query_sheet 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 query_sheet 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 query_sheet. 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.
query_sheet is provided by the Google Connections MCP server (michaelzrork/google-connections-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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