pcb_repour_polygons
Repour all polygon pours on the active PCB.
This record as markdown: /tools/eda-agent/pcb-repour-polygons.md
What pcb_repour_polygons does on Eda Agent
AI agents use pcb_repour_polygons to create or update resources in Eda Agent, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Eda Agent environment.
Why pcb_repour_polygons is rated Medium
This tool modifies PCB design data (polygon geometries) in a way that is reversible and does not permanently delete data. It fits the Write category (creates/modifies data reversibly). Severity is medium because misuse could corrupt design intent or require rework, but the operation is undoable and does not destroy data or trigger external financial/physical actions.
From the tool's definition Tool name 'pcb_repour_polygons' and description 'Repour all polygon pours on the active PCB' indicate modification of PCB design geometry.
Attacks that exploit this kind of access
The rule that runs pcb_repour_polygons safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Eda Agent, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pcb_repour_polygons, this is the rule to start with:
pcb_repour_polygons 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 Eda Agent, apply this rule, and every pcb_repour_polygons call is checked against it from then on.
Questions about pcb_repour_polygons
Repour all polygon pours on the active PCB. It is categorised as a Write tool in the Eda Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Eda Agent MCP server in PolicyLayer and add a rule for pcb_repour_polygons: 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 Eda Agent. Nothing to install.
pcb_repour_polygons 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 pcb_repour_polygons 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 pcb_repour_polygons. 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.
pcb_repour_polygons is provided by the Eda Agent MCP server (salitronic/eda-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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