export_gencad

SERVERKiCAD-MCP-Server SOURCEmixelpixx/kicad-mcp-server

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/mixelpixx-kicad-mcp-server/export-gencad.md

WHAT IT DOES

What export_gencad does on KiCAD-MCP-Server

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

RISK

Why export_gencad is rated Medium

An AI agent can call export_gencad faster than any human can review: one bad instruction and it creates or modifies resources in KiCAD-MCP-Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs export_gencad safely

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

export_gencad Rate-limited

export_gencad 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": {
    "export_gencad": {
      "limits": [
        {
          "counter": "export_gencad_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 KiCAD-MCP-Server, apply this rule, and every export_gencad call is checked against it from then on.

FAQ

Questions about export_gencad

What does the export_gencad tool do? +

Export the PCB in GenCAD format via kicad-cli. Assembly/test interchange format. Exposes padstack flip, unique pin/footprint shape generation, drill-file origin, and store-origin-coordinate options. Reads the last SAVED state of the .kicad_pcb. It is categorised as a Write tool in the KiCAD-MCP-Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on export_gencad? +

Register the KiCAD-MCP-Server MCP server in PolicyLayer and add a rule for export_gencad: 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 KiCAD-MCP-Server. Nothing to install.

What risk level is export_gencad? +

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

Can I rate-limit export_gencad? +

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

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

export_gencad is provided by the KiCAD-MCP-Server MCP server (mixelpixx/kicad-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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Guides

Govern customer-ops agents →Argument validation →Scoped token →