get_device_group_members

Get members of a device group.

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-device-group-members.md

WHAT IT DOES

What get_device_group_members does on Fortimanager

AI agents call get_device_group_members 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_device_group_members is rated Low

This tool retrieves information about device group members from FortiManager. It queries existing data without creating, modifying, deleting, or executing operations. The blast radius of misuse is minimal: an attacker could only discover which devices belong to groups, not alter infrastructure or execute commands.

From the tool's definition Tool name contains 'get' and description states 'Get members' — both indicate data retrieval with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_device_group_members Allowed

get_device_group_members 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_device_group_members": {}
  }
}

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_device_group_members call is checked against it from then on.

FAQ

Questions about get_device_group_members

What does the get_device_group_members tool do? +

Get members of a device group. 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_device_group_members? +

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

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

Can I rate-limit get_device_group_members? +

Yes. Add a rate_limit block to the get_device_group_members 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_device_group_members completely? +

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

get_device_group_members 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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