unifi_unblock_client · UniFi MCP Server MCP: Risk & Policy

WHAT IT DOES

What unifi_unblock_client does on UniFi MCP Server

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

WHY IT NEEDS A POLICY

Why unifi_unblock_client needs a policy

Unblocking a client reverses a previously applied network access restriction. This is a reversible write operation that modifies network access policy for a client device. It is not destructive (nothing is deleted), not financial, and not mere execution of code — it changes configuration state in a recoverable way.

From the tool's definition 'Unblock a client' — reverses a block action, modifying client access state

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

unifi_unblock_client Rate-limited

unifi_unblock_client 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_unblock_client": {
      "limits": [
        {
          "counter": "unifi_unblock_client_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches UniFi MCP Server, so you can run agents against it safely.

FAQ

Questions about unifi_unblock_client

What does the unifi_unblock_client tool do? +

Unblock a client. It is categorised as a Write tool in the UniFi MCP Server 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_unblock_client? +

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

What risk level is unifi_unblock_client? +

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

Can I rate-limit unifi_unblock_client? +

Yes. Add a rate_limit block to the unifi_unblock_client 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_unblock_client completely? +

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

unifi_unblock_client is provided by the UniFi MCP Server MCP server (mjrestivo16/mcp-unifi). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.