pcb_calc_polygon_area
A read tool on the Eda Agent MCP server.
This record as markdown: /tools/eda-agent/pcb-calc-polygon-area.md
What pcb_calc_polygon_area does on Eda Agent
AI agents call pcb_calc_polygon_area to retrieve information from Eda Agent without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why pcb_calc_polygon_area is rated Low
The tool name implies calculating (reading/computing) the area of a polygon in a PCB design, which is a read/query operation with no side effects. However, the description is empty, so confidence is reduced. Based on naming conventions in EDA tools, this is likely a non-destructive calculation.
From the tool's definition Tool name: pcb_calc_polygon_area — 'calc' and 'area' suggest a calculation/query operation on a PCB polygon
Attacks that exploit this kind of access
The rule that runs pcb_calc_polygon_area 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_calc_polygon_area, this is the rule to start with:
pcb_calc_polygon_area is read-only, so it stays allowed. 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_calc_polygon_area call is checked against it from then on.
Questions about pcb_calc_polygon_area
pcb_calc_polygon_area is a read tool on the Eda Agent MCP server. It is categorised as a Read tool in the Eda Agent MCP Server, which means it retrieves data without modifying state.
Register the Eda Agent MCP server in PolicyLayer and add a rule for pcb_calc_polygon_area: 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_calc_polygon_area is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the pcb_calc_polygon_area 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_calc_polygon_area. 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_calc_polygon_area 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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