send_audio_message · WhatsApp MCP Automation MCP

WHAT IT DOES

What send_audio_message does on WhatsApp MCP Automation

AI agents use send_audio_message to create or update resources in WhatsApp MCP Automation — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your WhatsApp MCP Automation environment.

WHY IT NEEDS A POLICY

Why send_audio_message needs a policy

This tool creates and sends audio messages, which is a reversible Write operation—messages can be deleted or edited. The severity is medium because misuse could enable spam, harassment, or unauthorized communications to contacts, but the effect is not irreversible destruction or financial impact. Confidence is slightly reduced due to the empty description, but the function name is clear.

From the tool's definition Tool name 'send_audio_message' indicates it sends/creates audio content to a WhatsApp chat. No description provided. Sibling tools like 'send_audio_message' typically create messages (Write category).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send_audio_message Rate-limited

send_audio_message stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "send_audio_message": {
      "limits": [
        {
          "counter": "send_audio_message_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about send_audio_message

What does the send_audio_message tool do? +

send_audio_message. It is categorised as a Write tool in the WhatsApp MCP Automation MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on send_audio_message? +

Register the WhatsApp MCP Automation MCP server in PolicyLayer and add a rule for send_audio_message: 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 WhatsApp MCP Automation. Nothing to install.

What risk level is send_audio_message? +

send_audio_message is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit send_audio_message? +

Yes. Add a rate_limit block to the send_audio_message 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_message completely? +

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

send_audio_message is provided by the WhatsApp MCP Automation MCP server (priyasogani8-star/whatsapp-mcp-automation). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.