This record as markdown: /tools/nasbridge/cloud-backup-list.md
What cloud_backup_list does on Nasbridge
AI agents call cloud_backup_list to retrieve information from Nasbridge without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why cloud_backup_list is rated Low
This tool retrieves and displays existing cloud backup task configurations. It performs no writes, deletions, or external operations—only enumeration of backup metadata. The blast radius if misused by an AI agent is minimal: exposure of backup task names and configurations, which are typically non-sensitive operational metadata in a storage system.
From the tool's definition Tool name 'cloud_backup_list' and description 'List all cloud backup tasks' indicate a query/retrieval operation with no data modification or system state change.
Attacks that exploit this kind of access
The rule that runs cloud_backup_list safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nasbridge, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For cloud_backup_list, this is the rule to start with:
cloud_backup_list is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Nasbridge, apply this rule, and every cloud_backup_list call is checked against it from then on.
Questions about cloud_backup_list
List all cloud backup tasks. It is categorised as a Read tool in the Nasbridge MCP Server, which means it retrieves data without modifying state.
Register the Nasbridge MCP server in PolicyLayer and add a rule for cloud_backup_list: 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 Nasbridge. Nothing to install.
cloud_backup_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the cloud_backup_list 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_list. 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_list is provided by the Nasbridge MCP server (maverick0628/nasbridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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