kicad_compare_sch_pcb
Compare the schematic netlist against the open PCB and report
This record as markdown: /tools/eda-agent/kicad-compare-sch-pcb.md
What kicad_compare_sch_pcb does on Eda Agent
AI agents use kicad_compare_sch_pcb 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 kicad_compare_sch_pcb is rated Medium
An AI agent can call kicad_compare_sch_pcb faster than any human can review: one bad instruction and it creates or modifies resources in Eda Agent by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs kicad_compare_sch_pcb 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 kicad_compare_sch_pcb, this is the rule to start with:
kicad_compare_sch_pcb 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 kicad_compare_sch_pcb call is checked against it from then on.
Questions about kicad_compare_sch_pcb
Compare the schematic netlist against the open PCB and report. 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 kicad_compare_sch_pcb: 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.
kicad_compare_sch_pcb 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 kicad_compare_sch_pcb 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 kicad_compare_sch_pcb. 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.
kicad_compare_sch_pcb 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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