whatsapp_create_newsletter · WSAPI WhatsApp MCP Server MCP

WHAT IT DOES

What whatsapp_create_newsletter does on WSAPI WhatsApp MCP Server

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

WHY IT NEEDS A POLICY

Why whatsapp_create_newsletter needs a policy

This tool creates new data structures (newsletters/channels) in WhatsApp, which is a Write operation since it modifies the account's content state. While creating a channel is reversible (channels can be deleted), the creation itself establishes a new persistent resource.

From the tool's definition Tool creates a new newsletter/channel - 'create' indicates irreversible data creation within the WhatsApp platform. The tool name explicitly contains 'create' and the description states it will 'Create a new newsletter/channel'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

whatsapp_create_newsletter Rate-limited

whatsapp_create_newsletter 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": {
    "whatsapp_create_newsletter": {
      "limits": [
        {
          "counter": "whatsapp_create_newsletter_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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

FAQ

Questions about whatsapp_create_newsletter

What does the whatsapp_create_newsletter tool do? +

Create a new newsletter/channel. It is categorised as a Write tool in the WSAPI WhatsApp MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on whatsapp_create_newsletter? +

Register the WSAPI WhatsApp MCP Server MCP server in PolicyLayer and add a rule for whatsapp_create_newsletter: 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 WSAPI WhatsApp MCP Server. Nothing to install.

What risk level is whatsapp_create_newsletter? +

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

Can I rate-limit whatsapp_create_newsletter? +

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

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

whatsapp_create_newsletter is provided by the WSAPI WhatsApp MCP Server MCP server (wsapi-chat/wsapi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.