Low Risk

get_zone_hvac_details

Get zone-level heating/cooling equipment properties and configuration.

How to control get_zone_hvac_details ↓

What get_zone_hvac_details does on Openstudio

AI agents call get_zone_hvac_details to retrieve information from Openstudio without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why get_zone_hvac_details needs a policy

This tool retrieves and queries existing HVAC configuration data from an OpenStudio building energy model. The verb 'Get' and the passive framing ('properties and configuration') confirm it performs data retrieval only, with no side effects, creation, modification, deletion, or code execution. The blast radius of misuse is minimal—an AI agent can only read existing model data.

From the tool's definition Tool name 'get_zone_hvac_details' and description 'Get zone-level heating/cooling equipment properties and configuration' indicate a retrieval operation with no modification or execution of external systems.

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

How to control get_zone_hvac_details

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 get_zone_hvac_details:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_zone_hvac_details": {}
  }
}

get_zone_hvac_details is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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

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Questions about get_zone_hvac_details

What does the get_zone_hvac_details tool do? +

Get zone-level heating/cooling equipment properties and configuration. It is categorised as a Read tool in the Openstudio MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_zone_hvac_details? +

Register the Openstudio MCP server in PolicyLayer and add a rule for get_zone_hvac_details: 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 get_zone_hvac_details? +

get_zone_hvac_details is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_zone_hvac_details? +

Yes. Add a rate_limit block to the get_zone_hvac_details 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 get_zone_hvac_details completely? +

Set action: deny in the PolicyLayer policy for get_zone_hvac_details. 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 get_zone_hvac_details? +

get_zone_hvac_details 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.

Free to start. No card required.

146 Openstudio tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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