create_style_preset

Create a style preset. data is the CSS-style configuration blob.

SERVERHa Nexus Agent SOURCEfistacho/ha-nexus-agent

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/fistacho-ha-nexus-agent/create-style-preset.md

WHAT IT DOES

What create_style_preset does on Ha Nexus Agent

AI agents use create_style_preset to create or update resources in Ha Nexus Agent, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ha Nexus Agent environment.

RISK

Why create_style_preset is rated Medium

This tool creates a new style preset by accepting CSS configuration data. While it modifies the system state by adding a new preset, the change is reversible (the preset can be deleted or updated later). There is no code execution, data destruction, financial impact, or irreversible effects. The blast radius is minimal—a malformed CSS preset would only affect UI styling and could be easily corrected.

From the tool's definition create_style_preset — creates a style preset with CSS-style configuration. The verb 'create' and the action of storing a new style preset indicate this is a Write operation that adds new data reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

create_style_preset Rate-limited

create_style_preset 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": {
    "create_style_preset": {
      "limits": [
        {
          "counter": "create_style_preset_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT 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 create_style_preset call is checked against it from then on.

FAQ

Questions about create_style_preset

What does the create_style_preset tool do? +

Create a style preset. data is the CSS-style configuration blob. It is categorised as a Write tool in the Ha Nexus Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_style_preset? +

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

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

Can I rate-limit create_style_preset? +

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

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

create_style_preset 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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