whatsapp_pin_message · WSAPI WhatsApp MCP Server MCP

WHAT IT DOES

What whatsapp_pin_message does on WSAPI WhatsApp MCP Server

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

WHY IT NEEDS A POLICY

Why whatsapp_pin_message needs a policy

The tool modifies chat state by pinning/unpinning messages, which alters the chat layout and highlights for participants. This is a reversible Write operation (not Destructive, since unpinning restores prior state), but carries medium severity because an AI agent could misuse it to spam important pins or manipulate perceived message priority in a conversation, potentially disrupting communication flow or social…

From the tool's definition Pin or unpin a message in a chat — modifies message state and chat organization; changes are reversible (can unpin).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

whatsapp_pin_message Rate-limited

whatsapp_pin_message 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_pin_message": {
      "limits": [
        {
          "counter": "whatsapp_pin_message_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 WSAPI WhatsApp MCP Server, so you can run agents against it safely.

FAQ

Questions about whatsapp_pin_message

What does the whatsapp_pin_message tool do? +

Pin or unpin a message in a chat. It is categorised as a Write tool in the WSAPI 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_pin_message? +

Register the WSAPI WhatsApp MCP Server MCP server in PolicyLayer and add a rule for whatsapp_pin_message: 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 WSAPI WhatsApp MCP Server. Nothing to install.

What risk level is whatsapp_pin_message? +

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

Can I rate-limit whatsapp_pin_message? +

Yes. Add a rate_limit block to the whatsapp_pin_message 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_pin_message completely? +

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

whatsapp_pin_message is provided by the WSAPI WhatsApp MCP Server MCP server (wsapi-chat/wsapi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.