waha_revoke_group_invite_code

THE RISK

High Risk

Why waha_revoke_group_invite_code needs a policy

This tool revokes an existing invite link (invalidating it) and generates a new one. It's not purely destructive (data isn't deleted) but it executes an action that has real consequences: anyone with the old link can no longer join the group. It triggers an external operation on WhatsApp infrastructure.

From the tool's definition Revoke current invite link and generate a new one. Requires admin privileges.

Risk signalsAdmin/system-level operation

Documented attack patterns abuse exactly the kind of access waha_revoke_group_invite_code gives an agent:

POLICY

How to control waha_revoke_group_invite_code

PolicyLayer is an MCP gateway — it sits between your AI agents and WAHA MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for waha_revoke_group_invite_code:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "waha_revoke_group_invite_code": {
      "limits": [
        {
          "counter": "waha_revoke_group_invite_code_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

waha_revoke_group_invite_code stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register WAHA MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More WAHA MCP Server tools

Destructive waha_clear_chat_messages Clear all messages from a chat. WARNING: This is a destructive operation that cannot be un Destructive waha_delete_chat Delete a chat completely. WARNING: This is a destructive operation that cannot be undone. Destructive waha_delete_group_picture Remove group profile picture. Destructive waha_delete_message Delete a specific message from a chat. This is a destructive operation and cannot be undon Destructive waha_remove_group_participants Remove member(s) from a group. Requires admin privileges. Destructive waha_leave_group Leave a group. Write waha_demote_group_admin Remove admin privileges from participant(s). Requires admin privileges. Write waha_react_to_message Add an emoji reaction to a message. To remove a reaction, send an empty string.

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Go deeper

High-risk tools in WAHA MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about waha_revoke_group_invite_code

What does the waha_revoke_group_invite_code tool do? +

Revoke current invite link and generate a new one. Requires admin privileges. It is categorised as a Execute tool in the WAHA MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on waha_revoke_group_invite_code? +

Register the WAHA MCP Server MCP server in PolicyLayer and add a rule for waha_revoke_group_invite_code: 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 WAHA MCP Server. Nothing to install.

What risk level is waha_revoke_group_invite_code? +

waha_revoke_group_invite_code is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit waha_revoke_group_invite_code? +

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

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

waha_revoke_group_invite_code is provided by the WAHA MCP Server MCP server (seejux/waha-whatsapp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every WAHA MCP Server tool call.

Start from WAHA MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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