libi.music_list_styles

SERVERLibi SOURCENagellabs/libi

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/libi/libi.music-list-styles.md

WHAT IT DOES

What libi.music_list_styles does on Libi

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

RISK

Why libi.music_list_styles is rated Low

Queries music style metadata without modification or side effects.

From the tool's definition List local music style hints, read-only, pick/suggest style

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs libi.music_list_styles safely

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

libi.music_list_styles Allowed

libi.music_list_styles 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": {
    "libi.music_list_styles": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Libi, apply this rule, and every libi.music_list_styles call is checked against it from then on.

FAQ

Questions about libi.music_list_styles

What does the libi.music_list_styles tool do? +

List local ACE-Step music style hints, whether the model is installed, the download size, and the default/max duration. Read-only. Use to pick/suggest a style and to tell the user the download size before installing. It is categorised as a Read tool in the Libi MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on libi.music_list_styles? +

Register the Libi MCP server in PolicyLayer and add a rule for libi.music_list_styles: 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 Libi. Nothing to install.

What risk level is libi.music_list_styles? +

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

Can I rate-limit libi.music_list_styles? +

Yes. Add a rate_limit block to the libi.music_list_styles 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 libi.music_list_styles completely? +

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

libi.music_list_styles is provided by the Libi MCP server (Nagellabs/libi). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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