get_drc_violations

Return the list of current DRC violations on the PCB, optionally filtered by severity (error, warning).

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

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mixelpixx-kicad-mcp-server/get-drc-violations.md

WHAT IT DOES

What get_drc_violations does on KiCAD-MCP-Server

AI agents call get_drc_violations to retrieve information from KiCAD-MCP-Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_drc_violations is rated Low

This tool queries and retrieves existing DRC violation data from the PCB design without modifying, executing operations, or deleting anything. It is a pure read operation that returns diagnostic information, optionally filtered by severity level. No state changes occur on the board or design when called.

From the tool's definition Tool name and description: 'get_drc_violations' with 'Return the list of current DRC violations on the PCB'. The verb 'Return' and 'list' indicate data retrieval with no side effects. DRC (Design Rule Check) violations are read-only diagnostic information.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_drc_violations Allowed

get_drc_violations is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_drc_violations": {}
  }
}

ALLOW ONLY 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 get_drc_violations call is checked against it from then on.

FAQ

Questions about get_drc_violations

What does the get_drc_violations tool do? +

Return the list of current DRC violations on the PCB, optionally filtered by severity (error, warning). It is categorised as a Read tool in the KiCAD-MCP-Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_drc_violations? +

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

get_drc_violations is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_drc_violations? +

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

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

get_drc_violations 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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