This record as markdown: /tools/io-github-lokmenower-best-cad-mcp/create-ucs.md
What create_ucs does on Pypi:best Cad
AI agents use create_ucs 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 create_ucs is rated Medium
This tool creates new coordinate system objects within AutoCAD drawings, which is a Write operation—it adds persistent data that can be modified or deleted later. It is not destructive (reversible), does not execute arbitrary code, and has limited blast radius since coordinate systems are organizational metadata rather than core geometry.
From the tool's definition Tool creates named user coordinate systems (UCS) in AutoCAD drawings. The description '创建命名用户坐标系 (UCS)' translates to 'Create named user coordinate system.' The action of creating new named coordinate system objects in a CAD drawing is a reversible data…
Attacks that exploit this kind of access
The rule that runs create_ucs 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 create_ucs, this is the rule to start with:
create_ucs 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 create_ucs call is checked against it from then on.
Questions about create_ucs
创建命名用户坐标系 (UCS)。. 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 create_ucs: 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.
create_ucs 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 create_ucs 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 create_ucs. 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.
create_ucs 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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