areas

Return Home Assistant area registry.

SERVERMcp Control Plane SOURCEalbertik322-sudo/mcp-control-plane

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/mcp-control-plane/areas.md

WHAT IT DOES

What areas does on Mcp Control Plane

AI agents call areas to retrieve information from Mcp Control Plane without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why areas is rated Low

This tool retrieves and returns the Home Assistant area registry, which is a read-only operation with no side effects. It queries existing data structure without creating, modifying, deleting, or executing any operations. The blast radius of misuse is minimal—an agent could at worst enumerate the home automation setup's organizational structure.

From the tool's definition Tool name 'areas' and description 'Return Home Assistant area registry' indicate a query operation that retrieves configuration data from Home Assistant without modifying or executing any actions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs areas safely

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

areas Allowed

areas 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": {
    "areas": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Control Plane, apply this rule, and every areas call is checked against it from then on.

FAQ

Questions about areas

What does the areas tool do? +

Return Home Assistant area registry. It is categorised as a Read tool in the Mcp Control Plane MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on areas? +

Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for areas: 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 Mcp Control Plane. Nothing to install.

What risk level is areas? +

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

Can I rate-limit areas? +

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

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

areas is provided by the Mcp Control Plane MCP server (albertik322-sudo/mcp-control-plane). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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