audio_get_playlist_updates

THE RISK

Low Risk

Why audio_get_playlist_updates needs a policy

This tool retrieves or queries audio playlist update information. The use of 'get' combined with 'subscribe to updates' indicates passive data observation with no side effects. The chunked response format suggests streaming read operations. There is no indication of modification, execution, deletion, or financial operations.

From the tool's definition Tool name contains 'get' and description states 'Subscribe to updates for a specific audio playlist' - this is a subscription/listener pattern for retrieving playlist data without modification.

Documented attack patterns abuse exactly the kind of access audio_get_playlist_updates gives an agent:

POLICY

How to control audio_get_playlist_updates

PolicyLayer is an MCP gateway — it sits between your AI agents and Propresenter, and nothing reaches the server without passing your rules. This is the rule we recommend for audio_get_playlist_updates:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "audio_get_playlist_updates": {}
  }
}

audio_get_playlist_updates is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Propresenter — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about audio_get_playlist_updates

What does the audio_get_playlist_updates tool do? +

Subscribe to updates for a specific audio playlist (chunked response). It is categorised as a Read tool in the Propresenter MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on audio_get_playlist_updates? +

Register the Propresenter MCP server in PolicyLayer and add a rule for audio_get_playlist_updates: 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 Propresenter. Nothing to install.

What risk level is audio_get_playlist_updates? +

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

Can I rate-limit audio_get_playlist_updates? +

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

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

audio_get_playlist_updates is provided by the Propresenter MCP server (@alxpark/propresenter-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Propresenter tool call.

Start from Propresenter, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →