sch_add_directive

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/sch-add-directive.md

WHAT IT DOES

What sch_add_directive does on Eda Agent

AI agents use sch_add_directive 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 sch_add_directive is rated Medium

The 'add' verb and schematic-directive context suggest this creates or modifies schematic document state. Without a description, confidence is reduced, but the action is clearly Write-class (reversible data modification) rather than destructive. In a design automation context, adding directives could affect downstream processes, warranting medium severity to account for potential unintended design changes.

From the tool's definition Tool name 'sch_add_directive' indicates adding (creating/modifying) directives to a schematic. In Altium Designer, directives control design behavior and are reversible modifications to schematic documents.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

sch_add_directive Rate-limited

sch_add_directive 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": {
    "sch_add_directive": {
      "limits": [
        {
          "counter": "sch_add_directive_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 sch_add_directive call is checked against it from then on.

FAQ

Questions about sch_add_directive

What does the sch_add_directive tool do? +

sch_add_directive 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 sch_add_directive? +

Register the Eda Agent MCP server in PolicyLayer and add a rule for sch_add_directive: 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 sch_add_directive? +

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

Can I rate-limit sch_add_directive? +

Yes. Add a rate_limit block to the sch_add_directive 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 sch_add_directive completely? +

Set action: deny in the PolicyLayer policy for sch_add_directive. 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 sch_add_directive? +

sch_add_directive 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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