directory_services_status

THE RISK

Low Risk

Why directory_services_status needs a policy

This tool retrieves and queries the current state of directory services (connection state and health metrics) without modifying, executing, or deleting any data. It is purely informational, making it a Read category tool with low severity risk since a misused status query poses minimal harm.

From the tool's definition Tool name 'directory_services_status' and description 'Get current directory services status including connection state and health' indicate a query/status retrieval operation with no side effects.

Documented attack patterns abuse exactly the kind of access directory_services_status gives an agent:

POLICY

How to control directory_services_status

PolicyLayer is an MCP gateway — it sits between your AI agents and Truenas, and nothing reaches the server without passing your rules. This is the rule we recommend for directory_services_status:

policy.json

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

directory_services_status is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Truenas — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
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FAQ

Questions about directory_services_status

What does the directory_services_status tool do? +

Get current directory services status including connection state and health. 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 directory_services_status? +

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

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

Can I rate-limit directory_services_status? +

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

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

directory_services_status 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.

Enforce policy on every Truenas tool call.

Start from Truenas, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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