Clear stored MYOB OAuth tokens from this machine.
AI agents call myob_oauth_logout to permanently remove resources in MYOB Codex MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Clearing OAuth tokens is an irreversible action that removes authentication credentials, potentially disrupting all subsequent operations that depend on them. It cannot be undone without re-authenticating. This matches the Destructive category (irreversibly deletes/overwrites data).
From the tool's definition Clear stored MYOB OAuth tokens from this machine
Attacks that exploit this kind of access
Clear stored MYOB OAuth tokens from this machine. It is categorised as a Destructive tool in the MYOB Codex MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the MYOB Codex MCP server in PolicyLayer and add a rule for myob_oauth_logout: 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 MYOB Codex MCP. Nothing to install.
myob_oauth_logout 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 myob_oauth_logout 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 myob_oauth_logout. 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.
myob_oauth_logout is provided by the MYOB Codex MCP server (jaeko44/myob-codex-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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