play_sound_preview

SERVERSbox SOURCEsbox-mcp-server

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/sbox/play-sound-preview.md

WHAT IT DOES

What play_sound_preview does on Sbox

AI agents invoke play_sound_preview to trigger actions in Sbox. 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 play_sound_preview is rated High

Triggers external audio playback in the editor; side effect but minimal blast radius.

From the tool's definition Play a sound in the editor for testing

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs play_sound_preview safely

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

play_sound_preview Rate-limited

play_sound_preview 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": {
    "play_sound_preview": {
      "limits": [
        {
          "counter": "play_sound_preview_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 Sbox, apply this rule, and every play_sound_preview call is checked against it from then on.

FAQ

Questions about play_sound_preview

What does the play_sound_preview tool do? +

Play a sound in the editor for testing without entering play mode. Returns { playing, sound, volume }. Fire-and-forget via Sound.Play — there is no stop control, and the volume param is echoed back but not currently applied to playback. It is categorised as a Execute tool in the Sbox MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on play_sound_preview? +

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

What risk level is play_sound_preview? +

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

Can I rate-limit play_sound_preview? +

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

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

play_sound_preview is provided by the Sbox MCP server (sbox-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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All 287 Sbox tools → High-risk tools on this server →

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music_play on Apple Apps MCP → All high-risk MCP tools → The MCP Attack Database →

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