list_style_presets

List all reusable style presets.

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-style-presets.md

WHAT IT DOES

What list_style_presets does on Ha Nexus Agent

AI agents call list_style_presets 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_style_presets is rated Low

This tool retrieves and lists style preset configuration data from Home Assistant without creating, modifying, deleting, or executing any operations. It is a simple data retrieval function with no side effects, fitting the Read category. Severity is low as exposure of style preset names and configurations poses minimal security risk to the smart home system.

From the tool's definition Tool name 'list_style_presets' combined with description 'List all reusable style presets' indicates a query/retrieval operation with no modification or execution of external commands.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_style_presets Allowed

list_style_presets 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_style_presets": {}
  }
}

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_style_presets call is checked against it from then on.

FAQ

Questions about list_style_presets

What does the list_style_presets tool do? +

List all reusable style presets. 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_style_presets? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for list_style_presets: 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_style_presets? +

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

Can I rate-limit list_style_presets? +

Yes. Add a rate_limit block to the list_style_presets 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_style_presets completely? +

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

list_style_presets 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.

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