pcb_create_diff_pair

A write tool on the Eda Agent MCP server.

SERVEREda Agent SOURCEsalitronic/eda-agent

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/eda-agent/pcb-create-diff-pair.md

WHAT IT DOES

What pcb_create_diff_pair does on Eda Agent

AI agents use pcb_create_diff_pair 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.

RISK

Why pcb_create_diff_pair is rated Medium

The 'create' verb and PCB design context indicate this tool writes/modifies design data (differential pair routing rules or traces). It is reversible (traces can be modified or deleted), so it does not qualify as Destructive. However, within a persistent DelphiScript bridge controlling 290+ automation tools, misuse could irreversibly corrupt complex PCB layouts if paired with destructive operations.

From the tool's definition Tool name 'pcb_create_diff_pair' suggests creation/modification of PCB differential pairs. Within an Altium Designer automation context, this creates or modifies circuit design artifacts. Description is empty, limiting direct evidence.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pcb_create_diff_pair 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_create_diff_pair, this is the rule to start with:

pcb_create_diff_pair Rate-limited

pcb_create_diff_pair 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pcb_create_diff_pair": {
      "limits": [
        {
          "counter": "pcb_create_diff_pair_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Eda Agent, apply this rule, and every pcb_create_diff_pair call is checked against it from then on.

FAQ

Questions about pcb_create_diff_pair

What does the pcb_create_diff_pair tool do? +

pcb_create_diff_pair is a write tool on the Eda Agent MCP server. 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.

How do I enforce a policy on pcb_create_diff_pair? +

Register the Eda Agent MCP server in PolicyLayer and add a rule for pcb_create_diff_pair: 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.

What risk level is pcb_create_diff_pair? +

pcb_create_diff_pair is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit pcb_create_diff_pair? +

Yes. Add a rate_limit block to the pcb_create_diff_pair 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.

How do I block pcb_create_diff_pair completely? +

Set action: deny in the PolicyLayer policy for pcb_create_diff_pair. 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.

What MCP server provides pcb_create_diff_pair? +

pcb_create_diff_pair 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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