whatsapp_auto_reply_disable · Waha MCP: Risk & Policy

WHAT IT DOES

What whatsapp_auto_reply_disable does on Waha

AI agents use whatsapp_auto_reply_disable 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_disable needs a policy

This tool modifies WhatsApp account configuration settings by disabling an auto-reply feature for a specific contact. It is a Write operation because it changes system state (disables a setting) in a reversible manner—the setting can be re-enabled. It is not Destructive because the underlying auto-reply rule is not deleted, only disabled.

From the tool's definition Tool name 'whatsapp_auto_reply_disable' and description 'Disable auto-reply with audio transcription for a contact' indicate modification of account/contact settings. The action disables (modifies) an existing auto-reply configuration, which is reversible.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

whatsapp_auto_reply_disable Rate-limited

whatsapp_auto_reply_disable 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_disable": {
      "limits": [
        {
          "counter": "whatsapp_auto_reply_disable_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_disable

What does the whatsapp_auto_reply_disable tool do? +

Disable auto-reply with audio transcription for a contact. Args: - phone: Phone number digits only, no @, no spaces (e.g.,. 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_disable? +

Register the Waha MCP server in PolicyLayer and add a rule for whatsapp_auto_reply_disable: 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_disable? +

whatsapp_auto_reply_disable 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_disable? +

Yes. Add a rate_limit block to the whatsapp_auto_reply_disable 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_disable completely? +

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

whatsapp_auto_reply_disable 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.