zernio_send_whatsapp_bulk

Send a bulk WhatsApp message using a template to multiple contacts at once.

SERVERZernio SOURCEeyalm321/zernio-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/eyalm321-zernio-mcp/zernio-send-whatsapp-bulk.md

WHAT IT DOES

What zernio_send_whatsapp_bulk does on Zernio

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

RISK

Why zernio_send_whatsapp_bulk is rated Medium

This tool modifies state by creating and sending WhatsApp messages to multiple recipients. It is Write rather than Execute because the action is message transmission via a templated interface, not arbitrary code execution. It is not Destructive because messages themselves are not deleted or permanently overwritten by this action. It is not Financial or Read.

From the tool's definition Tool description states 'Send a bulk WhatsApp message using a template to multiple contacts at once.' This creates and transmits messages (reversible in intent, though delivery is irreversible).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs zernio_send_whatsapp_bulk safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Zernio, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For zernio_send_whatsapp_bulk, this is the rule to start with:

zernio_send_whatsapp_bulk Rate-limited

zernio_send_whatsapp_bulk 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": {
    "zernio_send_whatsapp_bulk": {
      "limits": [
        {
          "counter": "zernio_send_whatsapp_bulk_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Zernio, apply this rule, and every zernio_send_whatsapp_bulk call is checked against it from then on.

FAQ

Questions about zernio_send_whatsapp_bulk

What does the zernio_send_whatsapp_bulk tool do? +

Send a bulk WhatsApp message using a template to multiple contacts at once. It is categorised as a Write tool in the Zernio MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on zernio_send_whatsapp_bulk? +

Register the Zernio MCP server in PolicyLayer and add a rule for zernio_send_whatsapp_bulk: 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 Zernio. Nothing to install.

What risk level is zernio_send_whatsapp_bulk? +

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

Can I rate-limit zernio_send_whatsapp_bulk? +

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

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

zernio_send_whatsapp_bulk is provided by the Zernio MCP server (eyalm321/zernio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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