whatsapp_import_file · Vcon MCP: Risk & Policy

WHAT IT DOES

What whatsapp_import_file does on Vcon

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

WHY IT NEEDS A POLICY

Why whatsapp_import_file needs a policy

An AI agent can call whatsapp_import_file faster than any human can review — one bad instruction and it creates or modifies resources in Vcon by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

whatsapp_import_file Rate-limited

whatsapp_import_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_import_file": {
      "limits": [
        {
          "counter": "whatsapp_import_file_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 Vcon, so you can run agents against it safely.

FAQ

Questions about whatsapp_import_file

What does the whatsapp_import_file tool do? +

Import a WhatsApp exported chat .txt file and create a vCon. It is categorised as a Write tool in the Vcon 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_import_file? +

Register the Vcon MCP server in PolicyLayer and add a rule for whatsapp_import_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 Vcon. Nothing to install.

What risk level is whatsapp_import_file? +

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

Can I rate-limit whatsapp_import_file? +

Yes. Add a rate_limit block to the whatsapp_import_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_import_file completely? +

Set action: deny in the PolicyLayer policy for whatsapp_import_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_import_file? +

whatsapp_import_file is provided by the Vcon MCP server (vcon-dev/vcon-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.