> 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/trigger-nodes/n8n-nodes-base.mqtttrigger.md).

# MQTT Trigger

[MQTT](https://mqtt.org) is an open OASIS and ISO standard lightweight, publish-subscribe network protocol that transports messages between devices.

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**Credentials**

You can find authentication information for this node [here](/integrations/builtin/credentials/mqtt.md).
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**Examples and templates**

For usage examples and templates to help you get started, refer to n8n's [MQTT Trigger integrations](https://n8n.io/integrations/mqtt-trigger/) page.
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