Low Risk

get_sites

Get all controller sites with health information.

How to control get_sites ↓

What get_sites does on UniFi MCP

AI agents call get_sites to retrieve information from UniFi MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why get_sites needs a policy

This tool retrieves site information and health status from the UniFi controller. It is a read-only operation that queries existing data without creating, modifying, deleting, or executing any changes to the network configuration or state.

From the tool's definition Tool name 'get_sites' and description 'Get all controller sites with health information' indicate a query operation that retrieves data without modification or side effects.

Documented attack patterns abuse exactly the kind of access get_sites gives an agent:

How to control get_sites

PolicyLayer is an MCP gateway — it sits between your AI agents and UniFi MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_sites:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_sites": {}
  }
}

get_sites is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register UniFi MCP — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

Go deeper

Questions about get_sites

What does the get_sites tool do? +

Get all controller sites with health information. It is categorised as a Read tool in the UniFi MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_sites? +

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

What risk level is get_sites? +

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

Can I rate-limit get_sites? +

Yes. Add a rate_limit block to the get_sites 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_sites completely? +

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

get_sites is provided by the UniFi MCP server (jmagar/unifi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every UniFi MCP tool call.

Start from UniFi MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

Free to start. No card required.

29 UniFi MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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