change_device_serial_number

A write tool on the Fortimanager MCP server.

SERVERFortimanager SOURCEjmpijll/fortimanager-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/jmpijll-fortimanager-mcp/change-device-serial-number.md

WHAT IT DOES

What change_device_serial_number does on Fortimanager

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

RISK

Why change_device_serial_number is rated Medium

The name implies modifying a device's serial number, which is a Write operation that could affect device identity and management integrity. However, with no description, confidence is low. Serial number changes in FortiManager could have significant impact on device tracking and licensing, warranting a high severity.

From the tool's definition Tool name: 'change_device_serial_number' — no description provided.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs change_device_serial_number safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Fortimanager, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For change_device_serial_number, this is the rule to start with:

change_device_serial_number Rate-limited

change_device_serial_number 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": {
    "change_device_serial_number": {
      "limits": [
        {
          "counter": "change_device_serial_number_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Fortimanager, apply this rule, and every change_device_serial_number call is checked against it from then on.

FAQ

Questions about change_device_serial_number

What does the change_device_serial_number tool do? +

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

How do I enforce a policy on change_device_serial_number? +

Register the Fortimanager MCP server in PolicyLayer and add a rule for change_device_serial_number: 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. Nothing to install.

What risk level is change_device_serial_number? +

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

Can I rate-limit change_device_serial_number? +

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

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

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

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