list_zones

A read tool on the Ha Nexus Agent MCP server.

SERVERHa Nexus Agent SOURCEfistacho/ha-nexus-agent

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/fistacho-ha-nexus-agent/list-zones.md

WHAT IT DOES

What list_zones does on Ha Nexus Agent

AI agents call list_zones to retrieve information from Ha Nexus Agent without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_zones is rated Low

List operations retrieve data without side effects; likely reads smart home zones.

From the tool's definition uninformative description; tool name suggests listing zones.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_zones safely

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

list_zones Allowed

list_zones 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": {
    "list_zones": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ha Nexus Agent, apply this rule, and every list_zones call is checked against it from then on.

FAQ

Questions about list_zones

What does the list_zones tool do? +

list_zones is a read tool on the Ha Nexus Agent MCP server. It is categorised as a Read tool in the Ha Nexus Agent MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_zones? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for list_zones: 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 Ha Nexus Agent. Nothing to install.

What risk level is list_zones? +

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

Can I rate-limit list_zones? +

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

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

list_zones is provided by the Ha Nexus Agent MCP server (fistacho/ha-nexus-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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