health

Check Home Assistant API reachability and token validity.

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/health.md

WHAT IT DOES

What health does on Mcp Control Plane

AI agents call health 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 health is rated Low

This tool performs a read-only health check of external system connectivity and credential validity. It retrieves status information with no side effects—no data is created, modified, deleted, or executed. The worst-case misuse would be to confirm API availability to a legitimate Home Assistant instance, which poses minimal risk.

From the tool's definition Tool name 'health' and description 'Check Home Assistant API reachability and token validity' indicate a diagnostic query operation that verifies connectivity and authentication status without modifying state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs health 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 health, this is the rule to start with:

health Allowed

health 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": {
    "health": {}
  }
}

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 health call is checked against it from then on.

FAQ

Questions about health

What does the health tool do? +

Check Home Assistant API reachability and token validity. 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 health? +

Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for health: 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 health? +

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

Can I rate-limit health? +

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

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

health 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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