kicad_set_text_variable

Set a project text (substitution) variable, e.g. key "REV" value

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/kicad-set-text-variable.md

WHAT IT DOES

What kicad_set_text_variable does on Altium-MCP-Suite

AI agents use kicad_set_text_variable 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 kicad_set_text_variable is rated Medium

Modifies project variables reversibly; affects design output but not destructive; could cause design errors if misused.

From the tool's definition Set a project text (substitution) variable, e.g. key REV value

Attacks that exploit this kind of access

RECOMMENDED RULE

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

kicad_set_text_variable Rate-limited

kicad_set_text_variable 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": {
    "kicad_set_text_variable": {
      "limits": [
        {
          "counter": "kicad_set_text_variable_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 kicad_set_text_variable call is checked against it from then on.

FAQ

Questions about kicad_set_text_variable

What does the kicad_set_text_variable tool do? +

Set a project text (substitution) variable, e.g. key "REV" value. 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 kicad_set_text_variable? +

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

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

Can I rate-limit kicad_set_text_variable? +

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

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

kicad_set_text_variable 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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