Remove a permission from a file (by permissionId or emailAddress)
AI agents call removePermission to permanently remove resources in Google Drive MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Removing a permission is a destructive, irreversible action that revokes a user's or group's access to a file. This cannot be undone automatically; re-granting access requires knowing the original permission details. Misuse by an AI agent could lock out legitimate users or collaborators from important files, making the blast radius high.
From the tool's definition "Remove a permission from a file (by permissionId or emailAddress)" — explicitly removes access control entries irreversibly
Documented attack patterns abuse exactly the kind of access removePermission gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Google Drive MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for removePermission:
{
"version": "1",
"default": "deny",
"hide": [
"removePermission"
]
}removePermission disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
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Remove a permission from a file (by permissionId or emailAddress). It is categorised as a Destructive tool in the Google Drive MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Google Drive MCP Server MCP server in PolicyLayer and add a rule for removePermission: 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 Drive MCP Server. Nothing to install.
removePermission is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the removePermission 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 removePermission. 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.
removePermission is provided by the Google Drive MCP Server MCP server (piotr-agier/google-drive-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 107 Google Drive MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
107 Google Drive MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.