list_parts_library

List available parts from the FreeCAD parts library.

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

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/spkane-freecad-addon-robust-mcp-server/list-parts-library.md

WHAT IT DOES

What list_parts_library does on FreeCAD Robust MCP Server

AI agents call list_parts_library to retrieve information from FreeCAD Robust MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_parts_library is rated Low

This tool performs a simple query of existing parts in a library and returns information to the user. There is no capability to modify, create, delete, or execute operations. The blast radius of misuse is minimal—an AI agent could only retrieve unwanted information but cannot cause damage to data or systems. This is a standard Read category operation.

From the tool's definition Tool name 'list_parts_library' and description 'List available parts from the FreeCAD parts library' indicate a retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_parts_library Allowed

list_parts_library is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_parts_library": {}
  }
}

ALLOW ONLY 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 list_parts_library call is checked against it from then on.

FAQ

Questions about list_parts_library

What does the list_parts_library tool do? +

List available parts from the FreeCAD parts library. It is categorised as a Read tool in the FreeCAD Robust MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_parts_library? +

Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for list_parts_library: 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 list_parts_library? +

list_parts_library is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_parts_library? +

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

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

list_parts_library 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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