Get the list of parts in the parts library addon.
AI agents call get_parts_list to retrieve information from FreeCAD MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about available parts in a library. It performs a read-only operation that retrieves data without creating, modifying, deleting, or executing any external operations. The blast radius of misuse is minimal—an AI agent could at worst enumerate parts unnecessarily, but cannot cause harm with this tool alone.
From the tool's definition Tool name 'get_parts_list' and description 'Get the list of parts in the parts library addon' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Get the list of parts in the parts library addon. It is categorised as a Read tool in the FreeCAD MCP MCP Server, which means it retrieves data without modifying state.
Register the FreeCAD MCP server in PolicyLayer and add a rule for get_parts_list: 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 MCP. Nothing to install.
get_parts_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_parts_list 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.
Set action: deny in the PolicyLayer policy for get_parts_list. 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.
get_parts_list is provided by the FreeCAD MCP server (yaeshio/freecad-mcp-for-ydga). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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