erase_selection_entities
Erase/delete all drawing entities contained in the named selection set.
This record as markdown: /tools/io-github-lokmenower-best-cad-mcp/erase-selection-entities.md
What erase_selection_entities does on Pypi:best Cad
AI agents call erase_selection_entities to permanently remove resources in Pypi:best Cad, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why erase_selection_entities is rated Critical
This tool performs irreversible deletion of drawing entities in AutoCAD, which cannot be undone programmatically and represents permanent data loss. While AutoCAD may have undo capabilities, the tool itself commits destructive changes that destroy design work.
From the tool's definition Tool name 'erase_selection_entities' and description 'Erase/delete all drawing entities contained in the named selection set' explicitly indicate irreversible deletion of CAD drawing entities.
Attacks that exploit this kind of access
The rule that runs erase_selection_entities 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 erase_selection_entities, this is the rule to start with:
erase_selection_entities is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Pypi:best Cad, apply this rule, and every erase_selection_entities call is checked against it from then on.
Questions about erase_selection_entities
Erase/delete all drawing entities contained in the named selection set. It is categorised as a Destructive tool in the Pypi:best Cad MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Pypi:best Cad MCP server in PolicyLayer and add a rule for erase_selection_entities: 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.
erase_selection_entities is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the erase_selection_entities 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 erase_selection_entities. 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.
erase_selection_entities 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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