fibaro_control_rgb_light · Fibaro HC3 MCP Server MCP

WHAT IT DOES

What fibaro_control_rgb_light does on Fibaro HC3 MCP Server

AI agents invoke fibaro_control_rgb_light to trigger actions in Fibaro HC3 MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why fibaro_control_rgb_light needs a policy

This tool executes commands against physical IoT devices (RGB lights), controlling their power state, color, and brightness. It triggers real-world effects on hardware devices, placing it in the Execute category. Severity is medium because misuse could disrupt lighting in a home environment but has limited broader impact.

From the tool's definition 'Complete control for RGB lights: turn on/off, set color, and brightness in one command' — triggers external operations on physical smart home devices

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

fibaro_control_rgb_light Rate-limited

fibaro_control_rgb_light stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "fibaro_control_rgb_light": {
      "limits": [
        {
          "counter": "fibaro_control_rgb_light_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Fibaro HC3 MCP Server, so you can run agents against it safely.

FAQ

Questions about fibaro_control_rgb_light

What does the fibaro_control_rgb_light tool do? +

Complete control for RGB lights: turn on/off, set color, and brightness in one command. Use this when user wants to control multiple aspects of an RGB light at once (e.g.,. It is categorised as a Execute tool in the Fibaro HC3 MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on fibaro_control_rgb_light? +

Register the Fibaro HC3 MCP Server MCP server in PolicyLayer and add a rule for fibaro_control_rgb_light: 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 Fibaro HC3 MCP Server. Nothing to install.

What risk level is fibaro_control_rgb_light? +

fibaro_control_rgb_light is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit fibaro_control_rgb_light? +

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

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

fibaro_control_rgb_light is provided by the Fibaro HC3 MCP Server MCP server (kaeljune/fibaro-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.