Medium Risk

export_bom_csv

Export a Bill of Materials for a KiCad project. This tool attempts to generate a CSV BOM file for a KiCad project. It requires KiCad to be installed with the appropriate command-line tools. Args: project_path: Path to the KiCad project file (.kicad_pro) ctx: MCP context for progress reporting Ret...

How to control export_bom_csv ↓

What export_bom_csv does on KiCad MCP Server

AI agents use export_bom_csv 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.

Medium Risk

Why export_bom_csv needs a policy

This tool creates a new CSV file output (Write category) from existing KiCad project data. It does not execute arbitrary code, delete data, or cause financial effects. The blast radius is minimal—the worst outcome is an incorrectly formatted or corrupted CSV file, which is easily regenerated. No existing project data is modified or destroyed.

From the tool's definition Tool description states it 'Export a Bill of Materials' and 'generate a CSV BOM file', which creates/outputs a new file artifact from existing project data.

Documented attack patterns abuse exactly the kind of access export_bom_csv gives an agent:

How to control export_bom_csv

PolicyLayer is an MCP gateway — it sits between your AI agents and KiCad MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for export_bom_csv:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "export_bom_csv": {
      "limits": [
        {
          "counter": "export_bom_csv_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

export_bom_csv 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.

  1. Create a free account and register KiCad MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
LIMIT THIS TOOL →

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Related tools and policies

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Questions about export_bom_csv

What does the export_bom_csv tool do? +

Export a Bill of Materials for a KiCad project. This tool attempts to generate a CSV BOM file for a KiCad project. It requires KiCad to be installed with the appropriate command-line tools. Args: project_path: Path to the KiCad project file (.kicad_pro) ctx: MCP context for progress reporting Returns: Dictionary with export results. 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_bom_csv? +

Register the KiCad MCP Server MCP server in PolicyLayer and add a rule for export_bom_csv: 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_bom_csv? +

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

Can I rate-limit export_bom_csv? +

Yes. Add a rate_limit block to the export_bom_csv 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_bom_csv completely? +

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

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

Enforce policy on every KiCad MCP Server tool call.

Start from KiCad MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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16 KiCad MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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