pcb_delete_design_rule
Delete a design rule by name from the active PCB.
This record as markdown: /tools/eda-agent/pcb-delete-design-rule.md
What pcb_delete_design_rule does on Eda Agent
AI agents call pcb_delete_design_rule to permanently remove resources in Eda Agent, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why pcb_delete_design_rule is rated Critical
This tool permanently removes design rules from a PCB project, which are critical constraints that govern electrical and manufacturing requirements. Deletion of design rules cannot be undone programmatically and could cause subsequent design iterations to violate constraints, leading to manufacturing defects, electrical failures, or costly rework.
From the tool's definition Tool name contains 'delete' and description states 'Delete a design rule by name from the active PCB.' The action is irreversible—once a design rule is deleted, it cannot be recovered without manual restoration or undo operations that may not be available in…
Attacks that exploit this kind of access
The rule that runs pcb_delete_design_rule 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_delete_design_rule, this is the rule to start with:
pcb_delete_design_rule is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Eda Agent, apply this rule, and every pcb_delete_design_rule call is checked against it from then on.
Questions about pcb_delete_design_rule
Delete a design rule by name from the active PCB. It is categorised as a Destructive tool in the Eda Agent MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Eda Agent MCP server in PolicyLayer and add a rule for pcb_delete_design_rule: 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_delete_design_rule is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the pcb_delete_design_rule 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_delete_design_rule. 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_delete_design_rule 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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