Cancel a print job.
AI agents call cancel_print_job to permanently remove resources in OpenSCAD MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Cancelling a print job is an irreversible action: once cancelled, the in-progress print is terminated and cannot be resumed from the same state. This fits the Destructive category as the operation cannot be undone. Severity is medium since the blast radius is limited to losing a single print job (wasted material and time), but does not affect stored data or systems beyond the active job.
From the tool's definition cancel_print_job — 'Cancel a print job'
Attacks that exploit this kind of access
Cancel a print job. It is categorised as a Destructive tool in the OpenSCAD MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the OpenSCAD MCP Server MCP server in PolicyLayer and add a rule for cancel_print_job: 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 OpenSCAD MCP Server. Nothing to install.
cancel_print_job 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 cancel_print_job 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 cancel_print_job. 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.
cancel_print_job is provided by the OpenSCAD MCP Server MCP server (jhacksman/openscad-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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