AI agents call about to retrieve information from Google without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about a Google Drive account (account information and storage quota) without modifying, creating, deleting, or executing any operations. It is a pure read operation with minimal blast radius if misused by an AI agent—it only exposes account metadata that is already accessible to the authenticated user. No data modification, destruction, or external effects are possible.
From the tool's definition Tool name 'about' and description 'Get Google Drive account info and storage quota' indicate information retrieval only. Verbs used are 'Get', which is a read operation with no side effects.
Attacks that exploit this kind of access
Get Google Drive account info and storage quota. It is categorised as a Read tool in the Google MCP Server, which means it retrieves data without modifying state.
Register the Google MCP server in PolicyLayer and add a rule for about: 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. Nothing to install.
about 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 about 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 about. 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.
about is provided by the Google MCP server (ztgluis/google-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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