snapshot_task_delete

Delete a periodic snapshot task

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/snapshot-task-delete.md

WHAT IT DOES

What snapshot_task_delete does on Truenas

AI agents call snapshot_task_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 snapshot_task_delete is rated Critical

Deleting a periodic snapshot task is irreversible. It not only removes the task configuration but also stops future automated snapshots from being created, which could lead to data loss if the snapshots were serving as the sole backup mechanism. This is a destructive action with high blast radius in a storage management context.

From the tool's definition 'Delete a periodic snapshot task' — permanently removes a scheduled snapshot task

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs snapshot_task_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 snapshot_task_delete, this is the rule to start with:

snapshot_task_delete Hidden

snapshot_task_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": [
    "snapshot_task_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 snapshot_task_delete call is checked against it from then on.

FAQ

Questions about snapshot_task_delete

What does the snapshot_task_delete tool do? +

Delete a periodic snapshot task. 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 snapshot_task_delete? +

Register the Truenas MCP server in PolicyLayer and add a rule for snapshot_task_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 snapshot_task_delete? +

snapshot_task_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 snapshot_task_delete? +

Yes. Add a rate_limit block to the snapshot_task_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 snapshot_task_delete completely? +

Set action: deny in the PolicyLayer policy for snapshot_task_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 snapshot_task_delete? +

snapshot_task_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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