get_disk_usage

A read tool on the Fortimanager MCP server.

SERVERFortimanager SOURCEjmpijll/fortimanager-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/jmpijll-fortimanager-mcp/get-disk-usage.md

WHAT IT DOES

What get_disk_usage does on Fortimanager

AI agents call get_disk_usage to retrieve information from Fortimanager without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_disk_usage is rated Low

The tool retrieves or queries disk usage information from FortiManager, which is a read-only operation with no side effects. The name clearly indicates data retrieval ('get') rather than creation, modification, deletion, or execution. While the description is empty, the function name is sufficiently informative to classify confidently as a Read operation.

From the tool's definition Tool name 'get_disk_usage' indicates a retrieval operation that queries disk usage metrics without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_disk_usage Allowed

get_disk_usage is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about get_disk_usage

What does the get_disk_usage tool do? +

get_disk_usage is a read tool on the Fortimanager MCP server. It is categorised as a Read tool in the Fortimanager MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_disk_usage? +

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

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

Can I rate-limit get_disk_usage? +

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

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

get_disk_usage 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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