run_macro

A execute tool on the FreeCAD Robust MCP server.

SERVERFreeCAD Robust MCP Server SOURCEspkane/freecad-addon-robust-mcp-server

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/spkane-freecad-addon-robust-mcp-server/run-macro.md

WHAT IT DOES

What run_macro does on FreeCAD Robust MCP Server

AI agents invoke run_macro to trigger actions in FreeCAD Robust MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why run_macro is rated High

Running macros in FreeCAD executes user-supplied code with full access to the FreeCAD API and potentially system resources. This is a code execution capability whose effects depend entirely on macro arguments/content. Severity is high due to potential for malicious macro execution affecting 3D models, file systems, or external processes, though not financial or permanently destructive by default.

From the tool's definition Tool name 'run_macro' combined with server context ('macro development') indicates execution of arbitrary code/macros in FreeCAD. Empty description lowers confidence slightly but context is clear.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs run_macro safely

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

run_macro Rate-limited

run_macro stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "run_macro": {
      "limits": [
        {
          "counter": "run_macro_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect FreeCAD Robust MCP Server, apply this rule, and every run_macro call is checked against it from then on.

FAQ

Questions about run_macro

What does the run_macro tool do? +

run_macro is a execute tool on the FreeCAD Robust MCP Server MCP server. It is categorised as a Execute tool in the FreeCAD Robust MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on run_macro? +

Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for run_macro: 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 FreeCAD Robust MCP Server. Nothing to install.

What risk level is run_macro? +

run_macro is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit run_macro? +

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

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

run_macro is provided by the FreeCAD Robust MCP Server MCP server (spkane/freecad-addon-robust-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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