This record as markdown: /tools/io-github-lokmenower-best-cad-mcp/chamfer-polyline.md
What chamfer_polyline does on Pypi:best Cad
AI agents use chamfer_polyline to create or update resources in Pypi:best Cad, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pypi:best Cad environment.
Why chamfer_polyline is rated Medium
Chamfering polyline vertices modifies the CAD drawing by altering geometry, but the operation is reversible (can be undone via undo/redo in AutoCAD). This qualifies as Write rather than Destructive since it doesn't permanently delete or overwrite data. Severity is medium because misuse could corrupt complex drawings, but the impact is limited to local geometry modification and can be recovered.
From the tool's definition Tool name 'chamfer_polyline' and description '对整个多段线的所有角点进行倒角' (chamfer all vertices of a polyline) indicates modification of CAD geometry. This is a reversible geometric transformation applied to drawing objects.
Attacks that exploit this kind of access
The rule that runs chamfer_polyline safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Pypi:best Cad, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For chamfer_polyline, this is the rule to start with:
chamfer_polyline 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 Pypi:best Cad, apply this rule, and every chamfer_polyline call is checked against it from then on.
Questions about chamfer_polyline
对整个多段线的所有角点进行倒角。实用接口。. It is categorised as a Write tool in the Pypi:best Cad MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Pypi:best Cad MCP server in PolicyLayer and add a rule for chamfer_polyline: 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 Pypi:best Cad. Nothing to install.
chamfer_polyline 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_polyline 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_polyline. 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_polyline is provided by the Pypi:best Cad MCP server (pypi:best-cad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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