assign_package · FortiManager MCP Server MCP: Risk & Policy

WHAT IT DOES

What assign_package does on FortiManager MCP Server

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

WHY IT NEEDS A POLICY

Why assign_package needs a policy

While the empty description reduces confidence slightly, the tool's name and position among write-oriented sibling tools strongly suggest it assigns or applies a package (likely a firewall policy package or configuration bundle) to one or more devices. This is a reversible modification (can be reassigned), not destructive, and has no financial impact.

From the tool's definition Tool is named 'assign_package' in a FortiManager context alongside similar config management tools like 'assign_sdwan_template', 'assign_system_template', and 'assign_template_group'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

assign_package Rate-limited

assign_package 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "assign_package": {
      "limits": [
        {
          "counter": "assign_package_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches FortiManager MCP Server, so you can run agents against it safely.

FAQ

Questions about assign_package

What does the assign_package tool do? +

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

How do I enforce a policy on assign_package? +

Register the FortiManager MCP Server MCP server in PolicyLayer and add a rule for assign_package: 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 FortiManager MCP Server. Nothing to install.

What risk level is assign_package? +

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

Can I rate-limit assign_package? +

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

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

assign_package is provided by the FortiManager MCP Server MCP server (rstierli/fortimanager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.