revoke_trusted_device

Revoke trusted status for a device

SERVERLinode MCP Server SOURCEtakashito/linode-mcp-server

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/takashito-linode-mcp-server/revoke-trusted-device.md

WHAT IT DOES

What revoke_trusted_device does on Linode MCP Server

AI agents call revoke_trusted_device to permanently remove resources in Linode MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why revoke_trusted_device is rated Critical

Revoking a trusted device is a destructive, one-way action that invalidates a device's trusted status. While it doesn't delete data, it permanently removes a security authorization that would require the device owner to re-authenticate/re-trust. Misuse by an AI agent could lock out legitimate users or devices from accessing the account.

From the tool's definition 'Revoke trusted status for a device' — revoking trust is an irreversible security action that removes a device's trusted status, which cannot be undone without re-authentication or re-authorization

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs revoke_trusted_device safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Linode MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For revoke_trusted_device, this is the rule to start with:

revoke_trusted_device Hidden

revoke_trusted_device is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "revoke_trusted_device"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Linode MCP Server, apply this rule, and every revoke_trusted_device call is checked against it from then on.

FAQ

Questions about revoke_trusted_device

What does the revoke_trusted_device tool do? +

Revoke trusted status for a device. It is categorised as a Destructive tool in the Linode MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on revoke_trusted_device? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for revoke_trusted_device: 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 Linode MCP Server. Nothing to install.

What risk level is revoke_trusted_device? +

revoke_trusted_device is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit revoke_trusted_device? +

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

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

revoke_trusted_device is provided by the Linode MCP Server MCP server (takashito/linode-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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