whatsapp_set_group_join_approval

WHAT IT DOES

What whatsapp_set_group_join_approval does on WSAPI WhatsApp MCP Server

AI agents use whatsapp_set_group_join_approval 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_set_group_join_approval needs a policy

This tool modifies a group's join approval settings, which is a reversible configuration change. It doesn't delete data or execute code, but it does alter who can join the group, which could have social/security implications if misused by an AI agent.

From the tool's definition Set group join approval mode (new members require admin approval)

Risk signalsAdmin/system-level operation

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

whatsapp_set_group_join_approval Rate-limited

whatsapp_set_group_join_approval 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_set_group_join_approval": {
      "limits": [
        {
          "counter": "whatsapp_set_group_join_approval_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_set_group_join_approval

What does the whatsapp_set_group_join_approval tool do? +

Set group join approval mode (new members require admin approval). 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_set_group_join_approval? +

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

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

Can I rate-limit whatsapp_set_group_join_approval? +

Yes. Add a rate_limit block to the whatsapp_set_group_join_approval 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_set_group_join_approval completely? +

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

whatsapp_set_group_join_approval 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.