uploadFileToDrive · Google Workspace MCP Server MCP

WHAT IT DOES

What uploadFileToDrive does on Google Workspace MCP Server

AI agents use uploadFileToDrive to create or update resources in Google Workspace MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Google Workspace MCP Server environment.

WHY IT NEEDS A POLICY

Why uploadFileToDrive needs a policy

This tool creates new data (files) in Google Drive, which is a reversible Write operation. It does not execute code, delete data, or move money. Severity is medium because unauthorized file uploads could fill storage quota, expose sensitive data to unintended parties, or introduce malicious files into a shared workspace, but the impact is mitigatable through access controls and is not immediately destructive or…

From the tool's definition Tool name 'uploadFileToDrive' and description 'Uploads a local file to Google Drive' indicate file creation/addition to cloud storage. The description explicitly states it creates new file artifacts in Google Drive.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

uploadFileToDrive Rate-limited

uploadFileToDrive stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "uploadFileToDrive": {
      "limits": [
        {
          "counter": "uploadfiletodrive_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Google Workspace MCP Server, so you can run agents against it safely.

FAQ

Questions about uploadFileToDrive

What does the uploadFileToDrive tool do? +

Uploads a local file to Google Drive. Supports any file type. Use this to upload documents, images, PDFs, or any other files. It is categorised as a Write tool in the Google Workspace MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on uploadFileToDrive? +

Register the Google Workspace MCP Server MCP server in PolicyLayer and add a rule for uploadFileToDrive: 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 Workspace MCP Server. Nothing to install.

What risk level is uploadFileToDrive? +

uploadFileToDrive is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit uploadFileToDrive? +

Yes. Add a rate_limit block to the uploadFileToDrive 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.

How do I block uploadFileToDrive completely? +

Set action: deny in the PolicyLayer policy for uploadFileToDrive. 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.

What MCP server provides uploadFileToDrive? +

uploadFileToDrive is provided by the Google Workspace MCP Server MCP server (pm990320/google-workspace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.