elevenlabs_text_to_speech · ElevenLabs MCP Server MCP

WHAT IT DOES

What elevenlabs_text_to_speech does on ElevenLabs MCP Server

AI agents invoke elevenlabs_text_to_speech to trigger actions in ElevenLabs MCP Server. 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 elevenlabs_text_to_speech needs a policy

This tool triggers an external API call to ElevenLabs to perform text-to-speech conversion. It is not a simple read (it produces a new artifact and consumes API credits), nor purely a write to a data store. It executes an external operation whose output depends on the input arguments. Misuse could result in unwanted audio generation and API quota consumption, rating it medium severity.

From the tool's definition 'Convert text to speech using ElevenLabs API' — triggers an external API operation that generates audio output

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

elevenlabs_text_to_speech Rate-limited

elevenlabs_text_to_speech 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": {
    "elevenlabs_text_to_speech": {
      "limits": [
        {
          "counter": "elevenlabs_text_to_speech_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 MCP Server, so you can run agents against it safely.

FAQ

Questions about elevenlabs_text_to_speech

What does the elevenlabs_text_to_speech tool do? +

Convert text to speech using ElevenLabs API. It is categorised as a Execute tool in the ElevenLabs MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on elevenlabs_text_to_speech? +

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

What risk level is elevenlabs_text_to_speech? +

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

Can I rate-limit elevenlabs_text_to_speech? +

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

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

elevenlabs_text_to_speech is provided by the ElevenLabs MCP Server MCP server (mafzaal/elevan-labs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.