pcb_get_diff_pair_rules
A read tool on the Eda Agent MCP server.
This record as markdown: /tools/eda-agent/pcb-get-diff-pair-rules.md
What pcb_get_diff_pair_rules does on Eda Agent
AI agents call pcb_get_diff_pair_rules 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_get_diff_pair_rules is rated Low
This tool appears to retrieve or query differential pair rules configuration from a PCB design. No description is provided, which lowers confidence slightly, but the 'get_' prefix and context (alongside other read-oriented tools like app_get_*) strongly indicate a read-only data retrieval operation with no side effects. Misuse would be low-risk; an agent could retrieve but not modify design rules.
From the tool's definition Tool name 'pcb_get_diff_pair_rules' uses the 'get_' prefix, indicating a retrieval operation. The 'diff_pair_rules' object suggests querying design rule parameters for differential pair routing in PCB design.
Attacks that exploit this kind of access
The rule that runs pcb_get_diff_pair_rules 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_get_diff_pair_rules, this is the rule to start with:
pcb_get_diff_pair_rules 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_get_diff_pair_rules call is checked against it from then on.
Questions about pcb_get_diff_pair_rules
pcb_get_diff_pair_rules 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_get_diff_pair_rules: 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_get_diff_pair_rules 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_get_diff_pair_rules 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_get_diff_pair_rules. 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_get_diff_pair_rules 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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