design_add_circuit_block

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/design-add-circuit-block.md

WHAT IT DOES

What design_add_circuit_block does on Altium-MCP-Suite

AI agents use design_add_circuit_block 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 design_add_circuit_block is rated Medium

The name 'design_add_circuit_block' strongly suggests adding/creating a circuit block component to a PCB or schematic design—a reversible modification operation. This fits the Write category (creates or modifies data reversibly). Severity is high because unauthorized circuit block additions could corrupt designs, compromise functionality, or introduce malicious circuit elements.

From the tool's definition Tool name 'design_add_circuit_block' indicates creation of circuit design elements within Altium Designer; sibling tools show this server manipulates design documents (app_create_document, app_get_active_document); description is empty, limiting direct…

Attacks that exploit this kind of access

RECOMMENDED RULE

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

design_add_circuit_block Rate-limited

design_add_circuit_block 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": {
    "design_add_circuit_block": {
      "limits": [
        {
          "counter": "design_add_circuit_block_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 design_add_circuit_block call is checked against it from then on.

FAQ

Questions about design_add_circuit_block

What does the design_add_circuit_block tool do? +

design_add_circuit_block 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 design_add_circuit_block? +

Register the Altium-MCP-Suite MCP server in PolicyLayer and add a rule for design_add_circuit_block: 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 design_add_circuit_block? +

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

Can I rate-limit design_add_circuit_block? +

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

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

design_add_circuit_block 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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