Protocols MQTT

Network & messaging

Does Nodlyn support MQTT?

The universal IoT message bus — Zigbee2MQTT, ESPHome, custom firmware, and cloud brokers.

Auto-discovery

Compatibility answer

Yes — at the protocol level. Nodlyn can discover MQTT endpoints and register them for visual workflows.

Point discovery at your broker address to observe topic prefixes as candidate devices.

What MQTT support means in Nodlyn

MQTT is the shared bus for Zigbee2MQTT, Tasmota, ESPHome, and many industrial gateways. Nodlyn can subscribe, publish, and optionally observe broker topic prefixes during discovery so you wire payloads into Transform / Condition blocks quickly.

Brokers like Mosquitto or HiveMQ are first-class. How-to patterns (wildcards, retained messages, auth) belong in the MQTT blog guide; this page is the yes/no + where to start.

This page is a compatibility check (supported or not, how you connect). Step-by-step tutorials live on the blog when linked below — so Google (and readers) get one clear “how-to” URL.

Example automations with MQTT

  • Z2M topic → condition → action
  • ESPHome sensor → DB
  • Publish command to device fleet

Quick start for MQTT

  1. Add MQTT nodes or run Discovery with your broker host.
  2. Subscribe to topics or publish commands.
  3. Use Transform / Condition blocks on payload fields.
  4. Common with Zigbee2MQTT, Tasmota, ESPHome, and industrial gateways.

Brands people ask about for MQTT

Curated examples — not an exhaustive SKU database. Same protocol family usually wires the same way. Missing model? Request confirmation on /protocols.

  • Zigbee2MQTT
  • Tasmota
  • ESPHome
  • Mosquitto / HiveMQ

Can Nodlyn auto-discover MQTT devices?

Yes. Point discovery at your broker address to observe topic prefixes as candidate devices. You can also add endpoints manually if discovery is empty.

In-depth MQTT guide (blog)

For configuration details, examples, and troubleshooting, use the long-form guide — that URL is the primary “how to” page: MQTT Publish/Subscribe in Production Workflows.

Related protocols

Try MQTT on your LAN

Download the free desktop beta, sign in with your free account, and open Discovery.

Download Free Beta All protocols
Nodlyn Assistant
Ask me anything about Nodlyn
Hi! 👋 I'm the Nodlyn assistant. Ask me about the product, workflow components, connectors, agent runtime, agent capabilities, deployment, and more. If I don't know an answer, I'll point you to our contact form.