cloud_backup_delete
Delete a cloud backup task (destructive — requires confirm)
This record as markdown: /tools/spranab-truenas-mcp/cloud-backup-delete.md
What cloud_backup_delete does on Truenas
AI agents call cloud_backup_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.
Why cloud_backup_delete is rated Critical
This tool permanently removes a cloud backup task, which is an irreversible operation. Although confirmation is required, deletion of backup configurations could result in loss of recovery capabilities. This is categorized as Destructive rather than Write because it cannot be undone without external intervention (e.g., restore from logs).
From the tool's definition Tool name is 'cloud_backup_delete' and description explicitly states 'Delete a cloud backup task (destructive — requires confirm)'. The word 'destructive' in the description and the delete action confirm irreversible removal of data.
Attacks that exploit this kind of access
The rule that runs cloud_backup_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 cloud_backup_delete, this is the rule to start with:
cloud_backup_delete 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 Truenas, apply this rule, and every cloud_backup_delete call is checked against it from then on.
Questions about cloud_backup_delete
Delete a cloud backup task (destructive — requires confirm). 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.
Register the Truenas MCP server in PolicyLayer and add a rule for cloud_backup_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.
cloud_backup_delete 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 cloud_backup_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.
Set action: deny in the PolicyLayer policy for cloud_backup_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.
cloud_backup_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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