acme_dns_authenticator_delete

Delete an ACME DNS authenticator by its ID.

SERVERTruenas SOURCEspranab/truenas-mcp

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/spranab-truenas-mcp/acme-dns-authenticator-delete.md

WHAT IT DOES

What acme_dns_authenticator_delete does on Truenas

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

RISK

Why acme_dns_authenticator_delete is rated Critical

The tool permanently removes ACME DNS authenticator configuration from the system. Deleting authentication credentials/authenticators cannot be undone and would impact certificate renewal and security configurations that depend on this authenticator.

From the tool's definition Tool name contains 'delete' and description states 'Delete an ACME DNS authenticator by its ID.' This is an irreversible deletion operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs acme_dns_authenticator_delete safely

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

acme_dns_authenticator_delete Hidden

acme_dns_authenticator_delete 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": [
    "acme_dns_authenticator_delete"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about acme_dns_authenticator_delete

What does the acme_dns_authenticator_delete tool do? +

Delete an ACME DNS authenticator by its ID. It is categorised as a Destructive tool in the Truenas 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 acme_dns_authenticator_delete? +

Register the Truenas MCP server in PolicyLayer and add a rule for acme_dns_authenticator_delete: 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 Truenas. Nothing to install.

What risk level is acme_dns_authenticator_delete? +

acme_dns_authenticator_delete 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 acme_dns_authenticator_delete? +

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

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

acme_dns_authenticator_delete is provided by the Truenas MCP server (spranab/truenas-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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