create_board_from_schematic

Create a new .kicad_pcb file from a schematic, then update the PCB from that schematic so footprints and nets are present.

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/create-board-from-schematic.md

WHAT IT DOES

What create_board_from_schematic does on KiCAD-MCP-Server

AI agents use create_board_from_schematic 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 create_board_from_schematic is rated Medium

This tool creates a new PCB file and modifies its contents by adding footprints and nets based on schematic data. These are Write operations—data is being created and modified, but the changes are reversible (the file can be edited or deleted). It does not execute arbitrary code, delete irreversibly, or perform financial operations.

From the tool's definition Tool description states it will 'Create a new .kicad_pcb file' and 'update the PCB' with footprints and nets. The verbs 'create' and 'update' indicate reversible data modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_board_from_schematic 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 create_board_from_schematic, this is the rule to start with:

create_board_from_schematic Rate-limited

create_board_from_schematic 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": {
    "create_board_from_schematic": {
      "limits": [
        {
          "counter": "create_board_from_schematic_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 create_board_from_schematic call is checked against it from then on.

FAQ

Questions about create_board_from_schematic

What does the create_board_from_schematic tool do? +

Create a new .kicad_pcb file from a schematic, then update the PCB from that schematic so footprints and nets are present. 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 create_board_from_schematic? +

Register the KiCAD-MCP-Server MCP server in PolicyLayer and add a rule for create_board_from_schematic: 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 create_board_from_schematic? +

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

Can I rate-limit create_board_from_schematic? +

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

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

create_board_from_schematic 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.

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