generate_music · ElevenLabs MCP: Risk & Policy

WHAT IT DOES

What generate_music does on ElevenLabs

AI agents invoke generate_music to trigger actions in ElevenLabs. 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.

WHY IT NEEDS A POLICY

Why generate_music needs a policy

This tool triggers an external AI generation operation on ElevenLabs' platform, producing audio content based on text input. It executes an external service call whose output depends on arguments. It's not purely Read (it creates new content), and while it produces an artifact, the creation is not a persistent write to a user-owned data store but rather execution of a generative process on an external API.

From the tool's definition Generate studio-grade music from text descriptions using ElevenLabs

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_music Rate-limited

generate_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.

View as policy code

policy.json

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

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches ElevenLabs, so you can run agents against it safely.

FAQ

Questions about generate_music

What does the generate_music tool do? +

Generate studio-grade music from text descriptions using ElevenLabs. Trigger:. It is categorised as a Execute tool in the ElevenLabs MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on generate_music? +

Register the ElevenLabs MCP server in PolicyLayer and add a rule for generate_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 ElevenLabs. Nothing to install.

What risk level is generate_music? +

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

Can I rate-limit generate_music? +

Yes. Add a rate_limit block to the generate_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.

How do I block generate_music completely? +

Set action: deny in the PolicyLayer policy for generate_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.

What MCP server provides generate_music? +

generate_music is provided by the ElevenLabs MCP server (wynandw87/claude-code-elevenlabs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.