chamfer_edges
A write tool on the FreeCAD Robust MCP server.
This record as markdown: /tools/spkane-freecad-addon-robust-mcp-server/chamfer-edges.md
What chamfer_edges does on FreeCAD Robust MCP Server
AI agents use chamfer_edges 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 chamfer_edges is rated Medium
Chamfering edges modifies 3D model geometry by creating beveled edges, which is a Write operation (reversible modification of design data). While the description is empty, the name and context of FreeCAD modeling tools strongly suggest this creates or modifies design geometry rather than deleting it or executing arbitrary code.
From the tool's definition Tool name 'chamfer_edges' and sibling tools like 'add_sketch_arc', 'add_sketch_line', 'add_sketch_circle' indicate 3D modeling operations that modify geometry. Chamfering is a reversible modeling operation that modifies edge geometry in CAD design.
Attacks that exploit this kind of access
The rule that runs chamfer_edges 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 chamfer_edges, this is the rule to start with:
chamfer_edges 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 chamfer_edges call is checked against it from then on.
Questions about chamfer_edges
chamfer_edges 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 chamfer_edges: 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.
chamfer_edges 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 chamfer_edges 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 chamfer_edges. 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.
chamfer_edges 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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