create_schematic_symbol

A write tool on the Altium-MCP-Suite MCP server.

SERVERAltium-MCP-Suite SOURCEM-R-Abedini/Altium-MCP-Suite

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/altium-mcp-suite/create-schematic-symbol.md

WHAT IT DOES

What create_schematic_symbol does on Altium-MCP-Suite

AI agents use create_schematic_symbol to create or update resources in Altium-MCP-Suite, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Altium-MCP-Suite environment.

RISK

Why create_schematic_symbol is rated Medium

This tool creates a new schematic symbol, which is a reversible modification to the Altium project design. It does not delete data (would be Destructive) or execute arbitrary code (would be Execute). The severity is medium because misuse could require rework but symbols can be deleted or modified to correct errors.

From the tool's definition Tool name is 'create_schematic_symbol' which indicates creation of a new resource (schematic symbol) in the Altium project. The description is empty, but the verb 'create' clearly indicates a Write operation that modifies the project.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_schematic_symbol safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Altium-MCP-Suite, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_schematic_symbol, this is the rule to start with:

create_schematic_symbol Rate-limited

create_schematic_symbol 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": {
    "create_schematic_symbol": {
      "limits": [
        {
          "counter": "create_schematic_symbol_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 Altium-MCP-Suite, apply this rule, and every create_schematic_symbol call is checked against it from then on.

FAQ

Questions about create_schematic_symbol

What does the create_schematic_symbol tool do? +

create_schematic_symbol is a write tool on the Altium-MCP-Suite MCP server. It is categorised as a Write tool in the Altium-MCP-Suite MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_schematic_symbol? +

Register the Altium-MCP-Suite MCP server in PolicyLayer and add a rule for create_schematic_symbol: 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 Altium-MCP-Suite. Nothing to install.

What risk level is create_schematic_symbol? +

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

Can I rate-limit create_schematic_symbol? +

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

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

create_schematic_symbol is provided by the Altium-MCP-Suite MCP server (M-R-Abedini/Altium-MCP-Suite). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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