set_input_number

Set an input_number value.

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/set-input-number.md

WHAT IT DOES

What set_input_number does on Ha Nexus Agent

AI agents use set_input_number 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 set_input_number is rated Medium

This tool creates or modifies input_number entities in Home Assistant, which are user-defined numeric input variables. While the operation is reversible (values can be changed again), it affects smart home state and could have downstream effects on automations or scenes. The impact depends on what automations consume this value, so severity is medium rather than high.

From the tool's definition Tool name 'set_input_number' and description 'Set an input_number value' indicate modification of configuration data. 'Set' is a write operation that changes state reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_input_number 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 set_input_number, this is the rule to start with:

set_input_number Rate-limited

set_input_number 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": {
    "set_input_number": {
      "limits": [
        {
          "counter": "set_input_number_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 set_input_number call is checked against it from then on.

FAQ

Questions about set_input_number

What does the set_input_number tool do? +

Set an input_number value. 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 set_input_number? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for set_input_number: 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 set_input_number? +

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

Can I rate-limit set_input_number? +

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

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

set_input_number 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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