cloud_backup_snapshots

List snapshots for a cloud backup task

SERVERTruenas SOURCEspranab/truenas-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/spranab-truenas-mcp/cloud-backup-snapshots.md

WHAT IT DOES

What cloud_backup_snapshots does on Truenas

AI agents call cloud_backup_snapshots to retrieve information from Truenas without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why cloud_backup_snapshots is rated Low

This tool queries and retrieves existing snapshot metadata from a cloud backup task. It performs a read-only operation with no side effects, no data modification, and no irreversible actions. The blast radius is minimal—an AI agent misusing this tool could only access snapshot information, not alter or delete it.

From the tool's definition Tool name and description: 'List snapshots for a cloud backup task' — the verb 'list' and action of retrieving snapshot information with no modification or deletion capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs cloud_backup_snapshots 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_snapshots, this is the rule to start with:

cloud_backup_snapshots Allowed

cloud_backup_snapshots is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "cloud_backup_snapshots": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about cloud_backup_snapshots

What does the cloud_backup_snapshots tool do? +

List snapshots for a cloud backup task. It is categorised as a Read tool in the Truenas MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on cloud_backup_snapshots? +

Register the Truenas MCP server in PolicyLayer and add a rule for cloud_backup_snapshots: 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 cloud_backup_snapshots? +

cloud_backup_snapshots is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit cloud_backup_snapshots? +

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

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

cloud_backup_snapshots 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.

KEEP EXPLORING

More on Truenas, and thousands of servers like it.

This server

All 279 Truenas tools →

Across the catalogue

The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →