update_cluster_serial_numbers

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/update-cluster-serial-numbers.md

WHAT IT DOES

What update_cluster_serial_numbers does on Fortimanager

AI agents use update_cluster_serial_numbers 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 update_cluster_serial_numbers is rated Medium

The tool performs an update operation on cluster serial numbers, which are critical identifiers for network device management. This is reversible (Write rather than Destructive), but represents a high-severity change because incorrect serial number assignments could disrupt device clustering, authentication, or failover mechanisms.

From the tool's definition Tool name 'update_cluster_serial_numbers' indicates modification of cluster configuration identifiers. No description provided, but the verb 'update' and context within FortiManager (network security appliance management) suggest data modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_cluster_serial_numbers 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 update_cluster_serial_numbers, this is the rule to start with:

update_cluster_serial_numbers Rate-limited

update_cluster_serial_numbers 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": {
    "update_cluster_serial_numbers": {
      "limits": [
        {
          "counter": "update_cluster_serial_numbers_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 update_cluster_serial_numbers call is checked against it from then on.

FAQ

Questions about update_cluster_serial_numbers

What does the update_cluster_serial_numbers tool do? +

update_cluster_serial_numbers 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 update_cluster_serial_numbers? +

Register the Fortimanager MCP server in PolicyLayer and add a rule for update_cluster_serial_numbers: 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 update_cluster_serial_numbers? +

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

Can I rate-limit update_cluster_serial_numbers? +

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

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

update_cluster_serial_numbers 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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