gdrive_update_permission · Mcp Google Gdrive MCP

WHAT IT DOES

What gdrive_update_permission does on Mcp Google Gdrive

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

WHY IT NEEDS A POLICY

Why gdrive_update_permission needs a policy

Updating permissions on files or folders is a reversible Write operation that modifies access control metadata. It is not Destructive (permissions can be reverted), not Financial, and not Execute (it doesn't run arbitrary code).

From the tool's definition Tool name 'gdrive_update_permission' and description 'Update a permission' indicate modification of access controls on Google Drive resources.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

gdrive_update_permission Rate-limited

gdrive_update_permission 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": {
    "gdrive_update_permission": {
      "limits": [
        {
          "counter": "gdrive_update_permission_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 Mcp Google Gdrive, so you can run agents against it safely.

FAQ

Questions about gdrive_update_permission

What does the gdrive_update_permission tool do? +

Update a permission. It is categorised as a Write tool in the Mcp Google Gdrive MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on gdrive_update_permission? +

Register the Mcp Google Gdrive MCP server in PolicyLayer and add a rule for gdrive_update_permission: 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 Mcp Google Gdrive. Nothing to install.

What risk level is gdrive_update_permission? +

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

Can I rate-limit gdrive_update_permission? +

Yes. Add a rate_limit block to the gdrive_update_permission 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 gdrive_update_permission completely? +

Set action: deny in the PolicyLayer policy for gdrive_update_permission. 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 gdrive_update_permission? +

gdrive_update_permission is provided by the Mcp Google Gdrive MCP server (sleepytimeshon/mcp-google-gdrive). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.