send_voice_message · LigueLead MCP Server MCP: Risk & Policy

WHAT IT DOES

What send_voice_message does on LigueLead MCP Server

AI agents invoke send_voice_message to trigger actions in LigueLead 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 send_voice_message needs a policy

This tool triggers an external bulk communication operation — sending voice messages to potentially many phone numbers. It is an Execute category action because it initiates an outbound campaign with real-world effects (calls to phone numbers). The blast radius is high because misuse could result in mass unsolicited voice calls to a large list of recipients, causing reputational, legal, and financial harm.

From the tool's definition Send a voice campaign to a list of phones. Requires a voice_upload_id from a previous upload.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send_voice_message Rate-limited

send_voice_message 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": {
    "send_voice_message": {
      "limits": [
        {
          "counter": "send_voice_message_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 LigueLead MCP Server, so you can run agents against it safely.

FAQ

Questions about send_voice_message

What does the send_voice_message tool do? +

Send a voice campaign to a list of phones. Requires a voice_upload_id from a previous upload. It is categorised as a Execute tool in the LigueLead 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 send_voice_message? +

Register the LigueLead MCP Server MCP server in PolicyLayer and add a rule for send_voice_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 LigueLead MCP Server. Nothing to install.

What risk level is send_voice_message? +

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

Can I rate-limit send_voice_message? +

Yes. Add a rate_limit block to the send_voice_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_voice_message completely? +

Set action: deny in the PolicyLayer policy for send_voice_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_voice_message? +

send_voice_message is provided by the LigueLead MCP Server MCP server (liguelead/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.