pcb_create_net_class

A write tool on the Altium-MCP-Suite MCP server.

SERVERAltium-MCP-Suite SOURCEM-R-Abedini/Altium-MCP-Suite

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/altium-mcp-suite/pcb-create-net-class.md

WHAT IT DOES

What pcb_create_net_class does on Altium-MCP-Suite

AI agents use pcb_create_net_class to create or update resources in Altium-MCP-Suite, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Altium-MCP-Suite environment.

RISK

Why pcb_create_net_class is rated Medium

PCB net class creation modifies the design reversibly—it adds or configures electrical properties (impedance, spacing rules, etc.) but can be undone/deleted. This is a Write-category action. Severity is high because misconfiguring net classes could compromise PCB fabrication or electrical performance, affecting design correctness.

From the tool's definition Tool name 'pcb_create_net_class' indicates creation of a PCB net class, which modifies design data in Altium Designer. No description provided, but 'create' prefix and context of 290+ design automation tools confirms write operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pcb_create_net_class safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Altium-MCP-Suite, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pcb_create_net_class, this is the rule to start with:

pcb_create_net_class Rate-limited

pcb_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": {
    "pcb_create_net_class": {
      "limits": [
        {
          "counter": "pcb_create_net_class_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Altium-MCP-Suite, apply this rule, and every pcb_create_net_class call is checked against it from then on.

FAQ

Questions about pcb_create_net_class

What does the pcb_create_net_class tool do? +

pcb_create_net_class is a write tool on the Altium-MCP-Suite MCP server. It is categorised as a Write tool in the Altium-MCP-Suite MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pcb_create_net_class? +

Register the Altium-MCP-Suite MCP server in PolicyLayer and add a rule for pcb_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 Altium-MCP-Suite. Nothing to install.

What risk level is pcb_create_net_class? +

pcb_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 pcb_create_net_class? +

Yes. Add a rate_limit block to the pcb_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 pcb_create_net_class completely? +

Set action: deny in the PolicyLayer policy for pcb_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 pcb_create_net_class? +

pcb_create_net_class is provided by the Altium-MCP-Suite MCP server (M-R-Abedini/Altium-MCP-Suite). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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