vote_poll · WhatsApp MCP Automation MCP: Risk & Policy

WHAT IT DOES

What vote_poll does on WhatsApp MCP Automation

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

WHY IT NEEDS A POLICY

Why vote_poll needs a policy

Voting on a poll creates or modifies data (the vote record) reversibly. This is a Write operation rather than Read (it has side effects beyond querying) or Execute (it does not run arbitrary code or external operations). Severity is medium because misuse could spam polls or manipulate poll results in group contexts, but the impact is limited to poll metadata within WhatsApp and not destructive or financial.

From the tool's definition Tool name 'vote_poll' and description 'Vote on an existing WhatsApp poll' indicate the tool modifies poll state by recording a user's vote, which is a reversible change to data (votes can be changed via 'change_vote' sibling tool).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vote_poll Rate-limited

vote_poll 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": {
    "vote_poll": {
      "limits": [
        {
          "counter": "vote_poll_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 WhatsApp MCP Automation, so you can run agents against it safely.

FAQ

Questions about vote_poll

What does the vote_poll tool do? +

Vote on an existing WhatsApp poll. It is categorised as a Write tool in the WhatsApp MCP Automation MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on vote_poll? +

Register the WhatsApp MCP Automation MCP server in PolicyLayer and add a rule for vote_poll: 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 WhatsApp MCP Automation. Nothing to install.

What risk level is vote_poll? +

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

Can I rate-limit vote_poll? +

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

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

vote_poll is provided by the WhatsApp MCP Automation MCP server (priyasogani8-star/whatsapp-mcp-automation). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.