remove_all_zone_equipment

THE RISK

Critical Risk

Why remove_all_zone_equipment needs a policy

This tool irreversibly deletes HVAC equipment configuration from zones in bulk. While the action could theoretically be undone by re-adding equipment, the tool itself performs permanent removal without recovery mechanism, and misuse would corrupt the building model's thermal systems design. The batch nature and broad scope ('all zones') amplifies the destructive impact.

From the tool's definition Tool name 'remove_all_zone_equipment' and description 'Batch clear all HVAC equipment from multiple thermal zones' indicate irreversible deletion of HVAC system components from building energy models.

Risk signalsBulk/mass operation — affects multiple targets

Documented attack patterns abuse exactly the kind of access remove_all_zone_equipment gives an agent:

POLICY

How to control remove_all_zone_equipment

PolicyLayer is an MCP gateway — it sits between your AI agents and Openstudio, and nothing reaches the server without passing your rules. This is the rule we recommend for remove_all_zone_equipment:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "remove_all_zone_equipment"
  ]
}

remove_all_zone_equipment disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

Create a free account and register Openstudio — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Openstudio tools

Destructive delete_object delete_object Destructive delete_run Delete one simulation run directory you own to free disk. Cancel the Destructive remove_demand_component Remove coil or other component from a plant loop's demand side. Destructive remove_supply_equipment Remove boiler, chiller, or other equipment from a plant loop's supply side. Destructive remove_zone_equipment Remove heating or cooling equipment from a thermal zone. Destructive clean_unused_objects clean_unused_objects Destructive cleanup_runs cleanup_runs Execute cancel_run Cancel a running EnergyPlus simulation. Only works while status is

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Go deeper

Critical-risk tools in Openstudio → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about remove_all_zone_equipment

What does the remove_all_zone_equipment tool do? +

Batch clear all HVAC equipment from multiple thermal zones in one call. It is categorised as a Destructive tool in the Openstudio MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on remove_all_zone_equipment? +

Register the Openstudio MCP server in PolicyLayer and add a rule for remove_all_zone_equipment: 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 Openstudio. Nothing to install.

What risk level is remove_all_zone_equipment? +

remove_all_zone_equipment is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit remove_all_zone_equipment? +

Yes. Add a rate_limit block to the remove_all_zone_equipment 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.

How do I block remove_all_zone_equipment completely? +

Set action: deny in the PolicyLayer policy for remove_all_zone_equipment. 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.

What MCP server provides remove_all_zone_equipment? +

remove_all_zone_equipment is provided by the Openstudio MCP server (natlabrockies/openstudio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Openstudio tool call.

Start from Openstudio, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →