abode_switch_device · Garza Home MCP: Risk & Policy

WHAT IT DOES

What abode_switch_device does on Garza Home MCP

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

WHY IT NEEDS A POLICY

Why abode_switch_device needs a policy

This tool modifies the state of a physical home automation device (turning it on or off). This is a Write operation as it changes device state, but it's reversible (can be switched back). The severity is high because misuse could affect home security devices, locks, alarms, or other critical home systems that could endanger occupants or property.

From the tool's definition Switch device on/off

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

abode_switch_device Rate-limited

abode_switch_device 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": {
    "abode_switch_device": {
      "limits": [
        {
          "counter": "abode_switch_device_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 Garza Home MCP, so you can run agents against it safely.

FAQ

Questions about abode_switch_device

What does the abode_switch_device tool do? +

Switch device on/off. It is categorised as a Write tool in the Garza Home 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 abode_switch_device? +

Register the Garza Home MCP server in PolicyLayer and add a rule for abode_switch_device: 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 Garza Home MCP. Nothing to install.

What risk level is abode_switch_device? +

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

Can I rate-limit abode_switch_device? +

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

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

abode_switch_device is provided by the Garza Home MCP server (itsablabla/garza-home-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.