company_a2a_ack · Wmux MCP: Risk & Policy

WHAT IT DOES

What company_a2a_ack does on Wmux

AI agents use company_a2a_ack to create or update resources in Wmux — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Wmux environment.

WHY IT NEEDS A POLICY

Why company_a2a_ack needs a policy

This tool modifies the state of inbox messages by marking them as read. It is a reversible write operation (state change) with minimal blast radius — it does not delete messages, execute code, or affect finances.

From the tool's definition Acknowledge (mark as read) inbox messages by their IDs

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

company_a2a_ack Rate-limited

company_a2a_ack 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": {
    "company_a2a_ack": {
      "limits": [
        {
          "counter": "company_a2a_ack_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 Wmux, so you can run agents against it safely.

FAQ

Questions about company_a2a_ack

What does the company_a2a_ack tool do? +

Acknowledge (mark as read) inbox messages by their IDs. It is categorised as a Write tool in the Wmux MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on company_a2a_ack? +

Register the Wmux MCP server in PolicyLayer and add a rule for company_a2a_ack: 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 Wmux. Nothing to install.

What risk level is company_a2a_ack? +

company_a2a_ack is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit company_a2a_ack? +

Yes. Add a rate_limit block to the company_a2a_ack 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 company_a2a_ack completely? +

Set action: deny in the PolicyLayer policy for company_a2a_ack. 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 company_a2a_ack? +

company_a2a_ack is provided by the Wmux MCP server (openwong2kim/wmux). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

// THE FULL RECORD

company_a2a_ack is one line of Wmux's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

Teams ship this data inside their own products. See what a licence covers →