add_card_to_section

A write tool on the Ha Nexus Agent MCP server.

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/add-card-to-section.md

WHAT IT DOES

What add_card_to_section does on Ha Nexus Agent

AI agents use add_card_to_section 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 add_card_to_section is rated Medium

Tool likely modifies dashboard configuration by adding UI cards; reversible change to Home Assistant interface.

From the tool's definition uninformative description

Attacks that exploit this kind of access

RECOMMENDED RULE

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

add_card_to_section Rate-limited

add_card_to_section 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": {
    "add_card_to_section": {
      "limits": [
        {
          "counter": "add_card_to_section_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 add_card_to_section call is checked against it from then on.

FAQ

Questions about add_card_to_section

What does the add_card_to_section tool do? +

add_card_to_section is a write tool on the Ha Nexus Agent MCP server. 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 add_card_to_section? +

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

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

Can I rate-limit add_card_to_section? +

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

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

add_card_to_section 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.

KEEP EXPLORING

More on Ha Nexus Agent, and thousands of servers like it.

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All 315 Ha Nexus Agent tools →

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