Clear terrain in a region, or clear all terrain if no region is specified. Args: - region (object, optional): { center: [x, y, z], size: [x, y, z] } — if omitted, clears all terrain Returns: Confirmation message.
AI agents call clear_terrain to permanently remove resources in Melo — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes terrain—a core asset in Roblox development—and cannot be undone without manual restoration or undo functionality. The capability to clear all terrain in a single call ('if no region is specified') represents a high-blast-radius destructive action.
From the tool's definition Tool description states 'Clear terrain in a region, or clear all terrain if no region is specified.' The verb 'clear' combined with the ability to affect 'all terrain' indicates irreversible deletion of terrain data.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Clear terrain in a region, or clear all terrain if no region is specified. Args: - region (object, optional): { center: [x, y, z], size: [x, y, z] } — if omitted, clears all terrain Returns: Confirmation message. It is categorised as a Destructive tool in the Melo MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Melo MCP server in PolicyLayer and add a rule for clear_terrain: 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 Melo. Nothing to install.
clear_terrain 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 clear_terrain 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 clear_terrain. 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.
clear_terrain is provided by the Melo MCP server (yannyhl/linkedsword-mcp). 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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