This record as markdown: /tools/io-github-lokmenower-best-cad-mcp/set-current-layer.md
What set_current_layer does on Pypi:best Cad
AI agents use set_current_layer 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 set_current_layer is rated Medium
This tool changes CAD drawing metadata (the active layer) but does not create, delete, or irreversibly alter drawing data itself. It is a reversible configuration change that affects where subsequent operations occur. This is a Write operation—it modifies state but is not destructive, and has low blast radius since it only changes layer context without directly affecting geometry or causing external effects.
From the tool's definition Tool name 'set_current_layer' and description '设置当前图层。后续绘图操作默认在此图层上进行' (Set current layer. Subsequent drawing operations default to this layer) indicate it modifies the current drawing state by changing the active layer.
Attacks that exploit this kind of access
The rule that runs set_current_layer 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 set_current_layer, this is the rule to start with:
set_current_layer 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 set_current_layer call is checked against it from then on.
Questions about set_current_layer
设置当前图层。后续绘图操作默认在此图层上进行。. 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 set_current_layer: 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.
set_current_layer 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 set_current_layer 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 set_current_layer. 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.
set_current_layer 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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