unifi_create_firewall_group

Create a new firewall group (address or port group).

SERVERUniFi Access MCP SOURCEpypi:unifi-protect-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/io-github-sirkirby-unifi-access-mcp/unifi-create-firewall-group.md

WHAT IT DOES

What unifi_create_firewall_group does on UniFi Access MCP

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

RISK

Why unifi_create_firewall_group is rated Medium

Creating firewall groups modifies network security policies and rules, which affects access control and traffic filtering. While reversible (groups can be deleted), this is a high-severity action because misconfiguration could open security vulnerabilities, block legitimate traffic, or be weaponized to bypass network protections.

From the tool's definition Tool name indicates 'create' operation on firewall group; description states 'Create a new firewall group (address or port group)' — a reversible data creation action that modifies network security configuration.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unifi_create_firewall_group safely

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

unifi_create_firewall_group Rate-limited

unifi_create_firewall_group 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": {
    "unifi_create_firewall_group": {
      "limits": [
        {
          "counter": "unifi_create_firewall_group_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 UniFi Access MCP, apply this rule, and every unifi_create_firewall_group call is checked against it from then on.

FAQ

Questions about unifi_create_firewall_group

What does the unifi_create_firewall_group tool do? +

Create a new firewall group (address or port group). It is categorised as a Write tool in the UniFi Access MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on unifi_create_firewall_group? +

Register the UniFi Access MCP server in PolicyLayer and add a rule for unifi_create_firewall_group: 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 UniFi Access MCP. Nothing to install.

What risk level is unifi_create_firewall_group? +

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

Can I rate-limit unifi_create_firewall_group? +

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

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

unifi_create_firewall_group is provided by the UniFi Access MCP server (pypi:unifi-protect-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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