revoke_authorized_app
Revoke access for an authorized OAuth app
This record as markdown: /tools/takashito-linode-mcp-server/revoke-authorized-app.md
What revoke_authorized_app does on Linode MCP Server
AI agents call revoke_authorized_app 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.
Why revoke_authorized_app is rated Critical
Revoking OAuth access permanently removes an application's ability to authenticate and act on behalf of the user. This is effectively irreversible (the app must go through the authorization flow again), and misuse by an AI agent could disrupt integrations or services depending on that OAuth app's access.
From the tool's definition 'Revoke access for an authorized OAuth app' — revoking authorization is an irreversible action that removes an app's access token/credentials, which cannot be undone without re-authorization by the user.
Attacks that exploit this kind of access
The rule that runs revoke_authorized_app 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_authorized_app, this is the rule to start with:
revoke_authorized_app is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Linode MCP Server, apply this rule, and every revoke_authorized_app call is checked against it from then on.
Questions about revoke_authorized_app
Revoke access for an authorized OAuth app. 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.
Register the Linode MCP Server MCP server in PolicyLayer and add a rule for revoke_authorized_app: 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.
revoke_authorized_app 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 revoke_authorized_app 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 revoke_authorized_app. 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.
revoke_authorized_app 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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