Remove uploaded cookies.
AI agents call metube_delete_cookies to permanently remove resources in Metube — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently deletes stored authentication cookies without the ability to undo the operation. While not directly financial or destructive to user data, the irreversible removal of credentials that enable downloads constitutes a destructive action.
From the tool's definition Tool name 'metube_delete_cookies' and description 'Remove uploaded cookies' indicate irreversible deletion of authentication credentials.
Attacks that exploit this kind of access
Remove uploaded cookies. It is categorised as a Destructive tool in the Metube MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Metube MCP server in PolicyLayer and add a rule for metube_delete_cookies: 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 Metube. Nothing to install.
metube_delete_cookies 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 metube_delete_cookies 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 metube_delete_cookies. 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.
metube_delete_cookies is provided by the Metube MCP server (junglem0nkey/metube-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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