Manage music queue and enhanced playlist control
AI agents invoke queue_music to trigger actions in Music MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
This tool manipulates the Apple Music play queue via AppleScript, which constitutes executing external operations on a running application. It's not purely read-only, nor does it create/modify persistent library data (Write), nor delete anything (Destructive). The effects are real-time playback control actions that depend on arguments, fitting Execute.
From the tool's definition 'Manage music queue and enhanced playlist control' — triggers external operations (AppleScript-driven queue/playback state changes on Apple Music)
Documented attack patterns abuse exactly the kind of access queue_music gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Music MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for queue_music:
{
"version": "1",
"default": "deny",
"tools": {
"queue_music": {
"limits": [
{
"counter": "queue_music_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}queue_music stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
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Manage music queue and enhanced playlist control. It is categorised as a Execute tool in the Music MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Music MCP server in PolicyLayer and add a rule for queue_music: 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 Music MCP. Nothing to install.
queue_music is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the queue_music 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.
Set action: deny in the PolicyLayer policy for queue_music. 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.
queue_music is provided by the Music MCP server (pedrocid/music-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Music MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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6 Music MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.