add_board_outline

Add a board outline to the PCB

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/add-board-outline.md

WHAT IT DOES

What add_board_outline does on KiCAD-MCP-Server

AI agents use add_board_outline 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 add_board_outline is rated Medium

This tool creates or modifies PCB board outline data, which is a reversible design change. While it affects PCB geometry, the change can be edited or undone within KiCAD's design workflow. It does not execute external code, delete data irreversibly, or involve financial operations.

From the tool's definition Tool name is 'add_board_outline' and description states 'Add a board outline to the PCB', indicating creation/modification of PCB design data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

add_board_outline Rate-limited

add_board_outline 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": {
    "add_board_outline": {
      "limits": [
        {
          "counter": "add_board_outline_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 add_board_outline call is checked against it from then on.

FAQ

Questions about add_board_outline

What does the add_board_outline tool do? +

Add a board outline to the 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 add_board_outline? +

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

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

Can I rate-limit add_board_outline? +

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

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

add_board_outline 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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