export_sch_pdf
Export a schematic to PDF via kicad-cli (
This record as markdown: /tools/mixelpixx-kicad-mcp-server/export-sch-pdf.md
What export_sch_pdf does on KiCAD-MCP-Server
AI agents use export_sch_pdf 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.
Why export_sch_pdf is rated Medium
Exporting a schematic to PDF creates a new file artifact. This is a reversible Write operation—the PDF can be deleted or re-generated. It does not execute arbitrary code, destroy data, or cause financial impact. The moderate severity reflects that an unintended PDF export could consume disk space or leak design information if the file is accessible, but the effect is easily reversible and non-destructive.
From the tool's definition Tool name is 'export_sch_pdf' and description states it 'Export a schematic to PDF via kicad-cli'. The action creates a new PDF file output.
Attacks that exploit this kind of access
The rule that runs export_sch_pdf 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 export_sch_pdf, this is the rule to start with:
export_sch_pdf 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.
The button opens the PolicyLayer dashboard: create your workspace, connect KiCAD-MCP-Server, apply this rule, and every export_sch_pdf call is checked against it from then on.
Questions about export_sch_pdf
Export a schematic to PDF via kicad-cli (. 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.
Register the KiCAD-MCP-Server MCP server in PolicyLayer and add a rule for export_sch_pdf: 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.
export_sch_pdf is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the export_sch_pdf 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.
Set action: deny in the PolicyLayer policy for export_sch_pdf. 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.
export_sch_pdf 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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