clear_board_outline

Delete all Edge.Cuts graphics from the current PCB board.

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

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mixelpixx-kicad-mcp-server/clear-board-outline.md

WHAT IT DOES

What clear_board_outline does on KiCAD-MCP-Server

AI agents call clear_board_outline to permanently remove resources in KiCAD-MCP-Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why clear_board_outline is rated Critical

This tool permanently removes Edge.Cuts layer content, which is critical PCB board geometry that cannot be recovered through standard undo mechanisms once committed. Deletion of design-critical data without recovery options meets the Destructive category definition. The severity is high because losing board outline geometry could render a PCB design unusable and requires manual reconstruction.

From the tool's definition Tool description states "Delete all Edge.Cuts graphics from the current PCB board." The verb "Delete" combined with "all" indicates irreversible removal of board geometry data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

clear_board_outline Hidden

clear_board_outline is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "clear_board_outline"
  ]
}

RESTRICT 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 clear_board_outline call is checked against it from then on.

FAQ

Questions about clear_board_outline

What does the clear_board_outline tool do? +

Delete all Edge.Cuts graphics from the current PCB board. It is categorised as a Destructive tool in the KiCAD-MCP-Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on clear_board_outline? +

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

clear_board_outline is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit clear_board_outline? +

Yes. Add a rate_limit block to the clear_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 clear_board_outline completely? +

Set action: deny in the PolicyLayer policy for clear_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 clear_board_outline? +

clear_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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