> For the complete documentation index, see [llms.txt](https://docs.n8n.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.mqtt.md).

# MQTT

Use the MQTT node to automate work in MQTT, and integrate MQTT with other applications. n8n supports transporting messages with MQTT.

On this page, you'll find a list of operations the MQTT node supports and links to more resources.

{% hint style="info" %}
**Credentials**

Refer to [MQTT credentials](/integrations/builtin/credentials/mqtt.md) for guidance on setting up authentication.
{% endhint %}

{% hint style="info" %}
**This node can be used as an AI tool**

This node can be used to enhance the capabilities of an AI agent. When used in this way, many parameters can be set automatically, or with information directed by AI - find out more in the [AI tool parameters documentation](/build/integrate-ai/ai-examples/use-ai-for-parameters.md).
{% endhint %}

## Operations <a href="#operations" id="operations"></a>

Use the MQTT node to send a message. You can set the message topic, and choose whether to send the node input data as part of the message.

## Templates and examples <a href="#templates-and-examples" id="templates-and-examples"></a>

[Browse MQTT node documentation integration templates](https://n8n.io/integrations/mqtt) or [search all templates](https://n8n.io/workflows/)

## Related resources <a href="#related-resources" id="related-resources"></a>

n8n provides a trigger node for MQTT. You can find the trigger node docs [here](/integrations/builtin/trigger-nodes/n8n-nodes-base.mqtttrigger.md).

Refer to [MQTT's documentation](https://mqtt.org/getting-started/) for more information about the service.