AI agents call search_drive to retrieve information from Gg without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries Google Drive to find files matching search criteria. It retrieves information but does not create, modify, delete, or execute any operations. It has no irreversible effects and poses minimal risk if misused by an agent, as the worst case would be exposure of file metadata the agent can already access.
From the tool's definition Tool name is 'search_drive' and description states 'Search for files in Google Drive.' Search operations are read-only queries that retrieve data without modification or side effects.
Attacks that exploit this kind of access
Search for files in Google Drive. It is categorised as a Read tool in the Gg MCP Server, which means it retrieves data without modifying state.
Register the Gg MCP server in PolicyLayer and add a rule for search_drive: 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 Gg. Nothing to install.
search_drive 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 search_drive 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 search_drive. 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.
search_drive is provided by the Gg MCP server (tannht/google-cloud-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.
Teams ship this data inside their own products. See what a licence covers →