send_audio

THE RISK

Low Risk

Why send_audio needs a policy

The description is empty, so classification relies solely on the tool name. 'send_audio' suggests sending an audio file or message, which could be a Write operation (posting/uploading audio). However, given the server context (WhatsApp/messaging API integration) it could trigger external communication. Without a description, confidence is low.

From the tool's definition Tool name is 'send_audio'; description is empty or uninformative.

Documented attack patterns abuse exactly the kind of access send_audio gives an agent:

POLICY

How to control send_audio

PolicyLayer is an MCP gateway — it sits between your AI agents and Automagik Tools, and nothing reaches the server without passing your rules. This is the rule we recommend for send_audio:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "send_audio": {
      "limits": [
        {
          "counter": "send_audio_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

send_audio gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Automagik Tools — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about send_audio

What does the send_audio tool do? +

send_audio. It is categorised as a Other tool in the Automagik Tools MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on send_audio? +

Register the Automagik Tools MCP server in PolicyLayer and add a rule for send_audio: 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 Automagik Tools. Nothing to install.

What risk level is send_audio? +

send_audio is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit send_audio? +

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

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

send_audio is provided by the Automagik Tools MCP server (namastexlabs/automagik-tools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Automagik Tools tool call.

Start from Automagik Tools, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →