This record as markdown: /tools/io-github-lokmenower-best-cad-mcp/lock-layer.md
What lock_layer does on Pypi:best Cad
AI agents use lock_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 lock_layer is rated Medium
Locking a layer is a reversible modification to drawing metadata/state. It does not delete data (not Destructive), does not execute arbitrary code (not Execute), and does not involve financial transactions (not Financial). The action is Write-category because it alters CAD drawing properties.
From the tool's definition Tool name is 'lock_layer' and description indicates '锁定图层(图层可见但不能编辑)' (lock layer - layer is visible but cannot be edited). This modifies the state/properties of a drawing layer by changing its lock status.
Attacks that exploit this kind of access
The rule that runs lock_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 lock_layer, this is the rule to start with:
lock_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 lock_layer call is checked against it from then on.
Questions about lock_layer
锁定图层(图层可见但不能编辑)。. 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 lock_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.
lock_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 lock_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 lock_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.
lock_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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