List contents of a Drive folder. Use 'root' for My Drive.
AI agents call list_folder 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.
This tool retrieves and displays folder contents from Google Drive. It is a read-only operation that queries data without creating, modifying, deleting, or executing operations. Even though it accesses user's Drive data, the low blast radius (information disclosure risk only, no state changes) and read-only nature warrant 'low' severity.
From the tool's definition Tool name 'list_folder' and description 'List contents of a Drive folder' indicate retrieval/query operation with no side effects. Returns folder contents without modification.
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
List contents of a Drive folder. Use 'root' for My Drive. 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 list_folder: 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.
list_folder 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 list_folder 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 list_folder. 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.
list_folder 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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