esm_msk_security_group

THE RISK

Low Risk

Why esm_msk_security_group needs a policy

The description is empty and the name alone is ambiguous - it could relate to reading, writing, or modifying MSK (Managed Streaming for Kafka) security group configurations. Without more information, classification defaults to Other with low confidence.

From the tool's definition Tool name 'esm_msk_security_group' and empty description provide no actionable information about what the tool does.

Documented attack patterns abuse exactly the kind of access esm_msk_security_group gives an agent:

POLICY

How to control esm_msk_security_group

PolicyLayer is an MCP gateway — it sits between your AI agents and Prometheus MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for esm_msk_security_group:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "esm_msk_security_group": {
      "limits": [
        {
          "counter": "esm_msk_security_group_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

esm_msk_security_group gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Prometheus MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
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FAQ

Questions about esm_msk_security_group

What does the esm_msk_security_group tool do? +

esm_msk_security_group. It is categorised as a Other tool in the Prometheus MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on esm_msk_security_group? +

Register the Prometheus MCP Server MCP server in PolicyLayer and add a rule for esm_msk_security_group: 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 Prometheus MCP Server. Nothing to install.

What risk level is esm_msk_security_group? +

esm_msk_security_group is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit esm_msk_security_group? +

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

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

esm_msk_security_group is provided by the Prometheus MCP Server MCP server (awslabs.prometheus-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Prometheus MCP Server tool call.

Start from Prometheus MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →