dataset_list
List all datasets, optionally filtered by pool name
This record as markdown: /tools/nasbridge/dataset-list.md
What dataset_list does on Nasbridge
AI agents call dataset_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 dataset_list is rated Low
This tool retrieves and displays information about datasets without creating, modifying, deleting, or executing any operations. It has minimal blast radius as it only exposes existing data that is already accessible to authorized users on the TrueNAS system.
From the tool's definition Tool name 'dataset_list' and description 'List all datasets, optionally filtered by pool name' indicate a read-only query operation with no modification or deletion capability.
Attacks that exploit this kind of access
The rule that runs dataset_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 dataset_list, this is the rule to start with:
dataset_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 dataset_list call is checked against it from then on.
Questions about dataset_list
List all datasets, optionally filtered by pool name. 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 dataset_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.
dataset_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 dataset_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 dataset_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.
dataset_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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