openems_create_coupled_lines · Mcp Openems MCP

WHAT IT DOES

What openems_create_coupled_lines does on Mcp Openems

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

WHY IT NEEDS A POLICY

Why openems_create_coupled_lines needs a policy

This tool creates/designs a new electromagnetic structure (coupled microstrip lines) and generates simulation geometry, consistent with the 'create' naming pattern on this server. It produces artifacts (design geometry, calculated parameters) but does not execute simulations or irreversibly delete data. Falls under Write as it generates/creates a new design artifact.

From the tool's definition Design edge-coupled microstrip lines... 4-port geometry for NEXT/FEXT analysis

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

openems_create_coupled_lines Rate-limited

openems_create_coupled_lines 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": {
    "openems_create_coupled_lines": {
      "limits": [
        {
          "counter": "openems_create_coupled_lines_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 Mcp Openems, so you can run agents against it safely.

FAQ

Questions about openems_create_coupled_lines

What does the openems_create_coupled_lines tool do? +

Design edge-coupled microstrip lines. Calculates even/odd mode impedances, differential/common-mode impedances, and coupling coefficient. 4-port geometry for NEXT/FEXT analysis. It is categorised as a Write tool in the Mcp Openems MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on openems_create_coupled_lines? +

Register the Mcp Openems MCP server in PolicyLayer and add a rule for openems_create_coupled_lines: 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 Mcp Openems. Nothing to install.

What risk level is openems_create_coupled_lines? +

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

Can I rate-limit openems_create_coupled_lines? +

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

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

openems_create_coupled_lines is provided by the Mcp Openems MCP server (rfingadam/mcp-openems). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.