This record as markdown: /tools/io-github-lokmenower-best-cad-mcp/thaw-layer.md
What thaw_layer does on Pypi:best Cad
AI agents use thaw_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 thaw_layer is rated Medium
This tool modifies drawing state by changing layer visibility/freeze properties, which is reversible (can be re-frozen). It is not destructive because the action can be undone, and it does not retrieve data (Read) or execute arbitrary code (Execute). The modification is substantive enough to warrant Write classification rather than Read.
From the tool's definition Tool name 'thaw_layer' and description '解冻图层(恢复冻结图层的可见性)' [Thaw layer (restore visibility of frozen layer)] indicates modification of layer properties—specifically unfreezing a layer to restore its visibility state in a CAD drawing.
Attacks that exploit this kind of access
The rule that runs thaw_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 thaw_layer, this is the rule to start with:
thaw_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 thaw_layer call is checked against it from then on.
Questions about thaw_layer
解冻图层(恢复冻结图层的可见性)。. 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 thaw_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.
thaw_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 thaw_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 thaw_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.
thaw_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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