whatsapp_update_group_participants

WHAT IT DOES

What whatsapp_update_group_participants does on WSAPI WhatsApp MCP Server

AI agents use whatsapp_update_group_participants 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_update_group_participants needs a policy

This tool creates and modifies group participant data (adding/promoting members) and removes participants reversibly. While 'remove' appears in the description, in the context of group management it typically means removal from a group (reversible rejoining possible) rather than permanent deletion. The primary effect is Write (modifying group composition and roles).

From the tool's definition Tool description states it performs 'Add, remove, promote, or demote group participants' - these are reversible modifications to group membership and roles.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

whatsapp_update_group_participants Rate-limited

whatsapp_update_group_participants 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_update_group_participants": {
      "limits": [
        {
          "counter": "whatsapp_update_group_participants_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 WSAPI WhatsApp MCP Server, so you can run agents against it safely.

FAQ

Questions about whatsapp_update_group_participants

What does the whatsapp_update_group_participants tool do? +

Add, remove, promote, or demote group participants. 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_update_group_participants? +

Register the WSAPI WhatsApp MCP Server MCP server in PolicyLayer and add a rule for whatsapp_update_group_participants: 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_update_group_participants? +

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

Can I rate-limit whatsapp_update_group_participants? +

Yes. Add a rate_limit block to the whatsapp_update_group_participants 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_update_group_participants completely? +

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

whatsapp_update_group_participants 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.