whatsapp_auto_reply_enable

Server Waha @marcos-heidemann/waha-mcp-server

Category Write

Risk class Medium

Parameters 00 required

WHAT IT DOES

What whatsapp_auto_reply_enable does on Waha

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

WHY IT NEEDS A POLICY

Why whatsapp_auto_reply_enable needs a policy

This tool modifies account configuration by enabling an automated messaging feature. While it doesn't delete data (not Destructive) or execute arbitrary code (not Execute), it does create reversible changes to account state and automatically generates outbound messages.

From the tool's definition The tool enables auto-reply functionality, which modifies WhatsApp account settings and creates automatic message responses.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

whatsapp_auto_reply_enable Rate-limited

whatsapp_auto_reply_enable 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_auto_reply_enable": {
      "limits": [
        {
          "counter": "whatsapp_auto_reply_enable_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 Waha, so you can run agents against it safely.

FAQ

Questions about whatsapp_auto_reply_enable

What does the whatsapp_auto_reply_enable tool do? +

Enable auto-reply with audio transcription for a contact. When the contact sends a voice note, the transcription is sent back as a quoted reply automatically. DM only — voice notes in groups are never auto-replied even if a member is flagged. The flag is contact/phone-scoped, so it follows the contact across WhatsApp. It is categorised as a Write tool in the Waha 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_auto_reply_enable? +

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

What risk level is whatsapp_auto_reply_enable? +

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

Can I rate-limit whatsapp_auto_reply_enable? +

Yes. Add a rate_limit block to the whatsapp_auto_reply_enable 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_auto_reply_enable completely? +

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

whatsapp_auto_reply_enable is provided by the Waha MCP server (@marcos-heidemann/waha-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.