Lists files and subfolders within a Drive folder. Use folderId=
AI agents call listFolderContents to retrieve information from Google Docs, Drive & Sheets MCP Server 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 folder contents without creating, modifying, deleting, or executing any operations. It is a straightforward read-only enumeration of existing resources, making it Read category with low severity.
From the tool's definition Tool name 'listFolderContents' and description 'Lists files and subfolders within a Drive folder' indicate a query/retrieval operation with no data modification or side effects.
Attacks that exploit this kind of access
Lists files and subfolders within a Drive folder. Use folderId=. It is categorised as a Read tool in the Google Docs, Drive & Sheets MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Docs, Drive & Sheets MCP Server MCP server in PolicyLayer and add a rule for listFolderContents: 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.
listFolderContents 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 listFolderContents 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 listFolderContents. 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.
listFolderContents 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.
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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