kicad.create_net_class · Eda MCP: Risk & Policy

WHAT IT DOES

What kicad.create_net_class does on Eda

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

WHY IT NEEDS A POLICY

Why kicad.create_net_class needs a policy

Net classes in KiCad are design parameters that can be created, modified, and deleted without permanent data loss. Creating a net class modifies the project file but does not destructively delete data or execute arbitrary code. This is a reversible Write operation typical of design tool workflows. Confidence is moderate due to the empty description limiting confirmation of exact semantics.

From the tool's definition Tool name 'create_net_class' indicates creation of a new net class object in KiCad, which modifies the design project state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

kicad.create_net_class Rate-limited

kicad.create_net_class 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": {
    "kicad.create_net_class": {
      "limits": [
        {
          "counter": "kicad.create_net_class_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 Eda, so you can run agents against it safely.

FAQ

Questions about kicad.create_net_class

What does the kicad.create_net_class tool do? +

kicad.create_net_class. It is categorised as a Write tool in the Eda MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on kicad.create_net_class? +

Register the Eda MCP server in PolicyLayer and add a rule for kicad.create_net_class: 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 Eda. Nothing to install.

What risk level is kicad.create_net_class? +

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

Can I rate-limit kicad.create_net_class? +

Yes. Add a rate_limit block to the kicad.create_net_class 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 kicad.create_net_class completely? +

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

kicad.create_net_class is provided by the Eda MCP server (saeronlab/eda-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.