wa_create_group

Create a new WhatsApp group with a name and initial participants.

SERVERWA MCP SOURCEdelltrak/wamcp

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/delltrak-wamcp/wa-create-group.md

WHAT IT DOES

What wa_create_group does on WA MCP

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

RISK

Why wa_create_group is rated Medium

This tool creates a new WhatsApp group, which is a reversible write operation. It modifies the user's WhatsApp state by adding a new group entity, but the action can be undone by deleting the group. While it affects social/communication infrastructure, it does not execute arbitrary code, delete data irreversibly, move money, or retrieve sensitive information.

From the tool's definition Tool name 'wa_create_group' and description 'Create a new WhatsApp group with a name and initial participants' indicate a write operation that creates new data (group) with supplied parameters (name, participants).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs wa_create_group safely

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

wa_create_group Rate-limited

wa_create_group 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": {
    "wa_create_group": {
      "limits": [
        {
          "counter": "wa_create_group_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 WA MCP, apply this rule, and every wa_create_group call is checked against it from then on.

FAQ

Questions about wa_create_group

What does the wa_create_group tool do? +

Create a new WhatsApp group with a name and initial participants. It is categorised as a Write tool in the WA MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on wa_create_group? +

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

What risk level is wa_create_group? +

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

Can I rate-limit wa_create_group? +

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

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

wa_create_group is provided by the WA MCP server (delltrak/wamcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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