Medium Risk

network_static_route_create

Create a new static route.

How to control network_static_route_create ↓

What network_static_route_create does on Truenas

AI agents use network_static_route_create to create or update resources in Truenas — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Truenas environment.

Medium Risk

Why network_static_route_create needs a policy

This tool creates a new static route, which modifies network configuration in a reversible manner. It falls under Write category as it creates network configuration state. Severity is medium because misconfiguration of static routes could disrupt network connectivity or inadvertently redirect traffic, though the effect is reversible via deletion or modification.

From the tool's definition Tool name 'network_static_route_create' and description 'Create a new static route' indicate creation of network configuration data.

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

How to control network_static_route_create

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 network_static_route_create:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "network_static_route_create": {
      "limits": [
        {
          "counter": "network_static_route_create_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

network_static_route_create stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

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

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Related tools and policies

Go deeper

Questions about network_static_route_create

What does the network_static_route_create tool do? +

Create a new static route. It is categorised as a Write tool in the Truenas MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on network_static_route_create? +

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

network_static_route_create is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit network_static_route_create? +

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

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

network_static_route_create 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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279 Truenas tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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