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 the FreeCAD library addon. It performs a read-only operation that retrieves data without creating, modifying, deleting, or executing any changes to documents or objects. The operation has no destructive, financial, or code-execution implications. Low severity is appropriate as misuse would only expose available library metadata.
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 (lzy-hhhh/freecad). 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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