set_locator_led · Cimc MCP: Risk & Policy

WHAT IT DOES

What set_locator_led does on Cimc

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

WHY IT NEEDS A POLICY

Why set_locator_led needs a policy

This tool creates or modifies a physical hardware state (locator LED state) reversibly. It does not read-only, does not execute code or commands, does not permanently destroy data, and has no financial implications. The impact is limited to a visual indicator used for physical identification. Misuse would result in temporarily incorrect LED state, which is easily corrected.

From the tool's definition The tool 'set_locator_led' modifies the state of a physical LED on the server (on or off), which is a reversible change to server state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_locator_led Rate-limited

set_locator_led 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": {
    "set_locator_led": {
      "limits": [
        {
          "counter": "set_locator_led_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 Cimc, so you can run agents against it safely.

FAQ

Questions about set_locator_led

What does the set_locator_led tool do? +

Turn the server locator LED on or off. Used to physically identify a server in a rack. It is categorised as a Write tool in the Cimc MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_locator_led? +

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

What risk level is set_locator_led? +

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

Can I rate-limit set_locator_led? +

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

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

set_locator_led is provided by the Cimc MCP server (schwarztim/cimc-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.