bulk_set_entity_exposure

Expose/hide many entities across one or more voice assistants in one call.

SERVERHa Nexus Agent SOURCEfistacho/ha-nexus-agent

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/fistacho-ha-nexus-agent/bulk-set-entity-exposure.md

WHAT IT DOES

What bulk_set_entity_exposure does on Ha Nexus Agent

AI agents use bulk_set_entity_exposure to create or update resources in Ha Nexus Agent, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ha Nexus Agent environment.

RISK

Why bulk_set_entity_exposure is rated Medium

This tool creates or modifies entity exposure settings across voice assistants. While it affects smart home configuration and could expose or hide control from voice interfaces, the changes are reversible (entities can be re-exposed or re-hidden).

From the tool's definition The tool description states it can 'Expose/hide many entities across one or more voice assistants in one call.' This modifies configuration settings (exposure/visibility) for multiple entities at scale, which is a reversible data modification operation.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs bulk_set_entity_exposure safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ha Nexus Agent, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For bulk_set_entity_exposure, this is the rule to start with:

bulk_set_entity_exposure Rate-limited

bulk_set_entity_exposure stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "bulk_set_entity_exposure": {
      "limits": [
        {
          "counter": "bulk_set_entity_exposure_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ha Nexus Agent, apply this rule, and every bulk_set_entity_exposure call is checked against it from then on.

FAQ

Questions about bulk_set_entity_exposure

What does the bulk_set_entity_exposure tool do? +

Expose/hide many entities across one or more voice assistants in one call. It is categorised as a Write tool in the Ha Nexus Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on bulk_set_entity_exposure? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for bulk_set_entity_exposure: 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 Ha Nexus Agent. Nothing to install.

What risk level is bulk_set_entity_exposure? +

bulk_set_entity_exposure is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit bulk_set_entity_exposure? +

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

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

bulk_set_entity_exposure is provided by the Ha Nexus Agent MCP server (fistacho/ha-nexus-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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