---
title: "MQTT Connector"
slug: "mqtt-connector"
description: "Use the MQTT connector in Lansweeper Flow Builder to publish messages to an MQTT topic using the lightweight publish-subscribe messaging protocol."
updated: 2026-07-17T15:46:11Z
published: 2026-06-12T15:01:53Z
canonical: "docs.lansweeper.com/mqtt-connector"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lansweeper.com/llms.txt
> Use this file to discover all available pages before exploring further.

# MQTT Connector

Note on third‑party tools

              

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[Message Queuing Telemetry Transport](https://mqtt.org/) (MQTT) is a light-weight, efficient *publish-subscribe* network protocol for sending messages between devices. This component allows you to publish messages to an MQTT queue topic.

## Connections

### MQTT Connection

Authenticate requests to an MQTT server.

| Input | Comments | Default |
| --- | --- | --- |
| Host | Provide the string value for the host of the MQTT server. |  |
| Protocol | The protocol used to connect to the MQTT server. |  |
| Port | The port of the MQTT server. |  |
| Username |  |  |
| Password |  |  |

## Actions

### Publish Message

Publish a message to a MQTT topic.

| Input | Comments | Default |
| --- | --- | --- |
| Topic Name | Provide a string value for the name of the MQTT topic. |  |
| Message | Provide a string value to be sent to the MQTT topic. |  |
| Connection |  |  |