playback_control

Control Music playback: play, pause, nextTrack, previousTrack.

SERVERAirMCP SOURCEairmcp

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/heznpc-airmcp/playback-control.md

WHAT IT DOES

What playback_control does on AirMCP

AI agents invoke playback_control to trigger actions in AirMCP. 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.

RISK

Why playback_control is rated High

This tool triggers external operations on the Music app (playback control actions), which constitutes executing actions with side effects on an external application. It does not read, write, or delete data, nor does it involve financial transactions. Severity is low as the blast radius of misuse is minimal — it only affects music playback state.

From the tool's definition Control Music playback: play, pause, nextTrack, previousTrack

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs playback_control safely

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

playback_control Rate-limited

playback_control 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "playback_control": {
      "limits": [
        {
          "counter": "playback_control_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about playback_control

What does the playback_control tool do? +

Control Music playback: play, pause, nextTrack, previousTrack. It is categorised as a Execute tool in the AirMCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on playback_control? +

Register the Air MCP server in PolicyLayer and add a rule for playback_control: 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 AirMCP. Nothing to install.

What risk level is playback_control? +

playback_control is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit playback_control? +

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

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

playback_control is provided by the Air MCP server (airmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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