mirrored_feature
A write tool on the FreeCAD Robust MCP server.
This record as markdown: /tools/spkane-freecad-addon-robust-mcp-server/mirrored-feature.md
What mirrored_feature does on FreeCAD Robust MCP Server
AI agents use mirrored_feature to create or update resources in FreeCAD Robust MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FreeCAD Robust MCP Server environment.
Why mirrored_feature is rated Medium
Mirroring a feature in CAD creates or modifies a model by duplicating and transforming geometry. This is a Write operation—it creates new geometry that can be undone or deleted. It is not Destructive because mirroring is reversible in FreeCAD (undo/delete available). Severity is medium because misuse could corrupt a user's 3D model design, but the impact is confined to the current session and recoverable.
From the tool's definition Tool name 'mirrored_feature' suggests creating a mirrored copy of a 3D feature in FreeCAD, which is a reversible modeling operation. No description provided, requiring inference from name and context of sibling sketch/geometry tools.
Attacks that exploit this kind of access
The rule that runs mirrored_feature 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 mirrored_feature, this is the rule to start with:
mirrored_feature 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.
The button opens the PolicyLayer dashboard: create your workspace, connect FreeCAD Robust MCP Server, apply this rule, and every mirrored_feature call is checked against it from then on.
Questions about mirrored_feature
mirrored_feature is a write tool on the FreeCAD Robust MCP Server MCP server. It is categorised as a Write tool in the FreeCAD Robust MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for mirrored_feature: 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.
mirrored_feature is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the mirrored_feature 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 mirrored_feature. 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.
mirrored_feature 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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