rmq_consume · RedisNexus MCP: Risk & Policy

WHAT IT DOES

What rmq_consume does on RedisNexus

AI agents invoke rmq_consume to trigger actions in RedisNexus. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why rmq_consume needs a policy

The name 'rmq_consume' strongly implies consuming/reading messages from a RabbitMQ queue, which is a side-effectful operation (messages are typically acknowledged and removed from the queue upon consumption, making it partially destructive). However, without a description, the exact behavior is uncertain.

From the tool's definition Tool name 'rmq_consume' suggests consuming messages from a message queue (RabbitMQ), but the description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

rmq_consume Rate-limited

rmq_consume stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "rmq_consume": {
      "limits": [
        {
          "counter": "rmq_consume_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about rmq_consume

What does the rmq_consume tool do? +

rmq_consume. It is categorised as a Execute tool in the RedisNexus MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on rmq_consume? +

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

What risk level is rmq_consume? +

rmq_consume is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit rmq_consume? +

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

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

rmq_consume is provided by the RedisNexus MCP server (rajkumar-madhu/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.