whatsapp_send_file · VIDA AI WhatsApp MCP Server MCP

WHAT IT DOES

What whatsapp_send_file does on VIDA AI WhatsApp MCP Server

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

WHY IT NEEDS A POLICY

Why whatsapp_send_file needs a policy

This tool creates new data (file messages) in WhatsApp conversations, which is a reversible write operation. While it doesn't delete or execute arbitrary code, it can be misused to send unsolicited files, malware, spam, or sensitive data to contacts without proper authorization.

From the tool's definition Tool name: 'whatsapp_send_file' - performs file transmission via WhatsApp. Description explicitly states 'Send a file' which is a write operation that modifies the state of WhatsApp conversations by adding new messages/attachments.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

whatsapp_send_file Rate-limited

whatsapp_send_file 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_send_file": {
      "limits": [
        {
          "counter": "whatsapp_send_file_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches VIDA AI WhatsApp MCP Server, so you can run agents against it safely.

FAQ

Questions about whatsapp_send_file

What does the whatsapp_send_file tool do? +

Send a file (image, video, PDF, document) via WhatsApp. It is categorised as a Write tool in the VIDA AI 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_send_file? +

Register the VIDA AI WhatsApp MCP Server MCP server in PolicyLayer and add a rule for whatsapp_send_file: 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 VIDA AI WhatsApp MCP Server. Nothing to install.

What risk level is whatsapp_send_file? +

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

Can I rate-limit whatsapp_send_file? +

Yes. Add a rate_limit block to the whatsapp_send_file 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_send_file completely? +

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

whatsapp_send_file is provided by the VIDA AI WhatsApp MCP Server MCP server (juancvergara1/vidaai-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.