pcb_calc_impedance
A read tool on the Eda Agent MCP server.
This record as markdown: /tools/eda-agent/pcb-calc-impedance.md
What pcb_calc_impedance does on Eda Agent
AI agents call pcb_calc_impedance 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_impedance is rated Low
The name implies a read/calculation operation (computing impedance values from PCB parameters) with no side effects. However, the empty description lowers confidence. Based on naming convention and context of sibling tools in an EDA automation server, this is most likely a read/compute operation.
From the tool's definition Tool name 'pcb_calc_impedance' suggests a calculation/query operation on PCB impedance values. Description is empty.
Attacks that exploit this kind of access
The rule that runs pcb_calc_impedance 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_impedance, this is the rule to start with:
pcb_calc_impedance 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_impedance call is checked against it from then on.
Questions about pcb_calc_impedance
pcb_calc_impedance 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_impedance: 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_impedance 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_impedance 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_impedance. 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_impedance 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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