HomeLabber: Just finally figured it out! The trick was using the correct node type. Wish I'd known earlier.

22 hours ago · profile

Check the GitHub issues for Node-RED — there's a helpful writeup that covers your exact question.

See also

• Migrating from Vera to Zigbee2MQTT — gotchas?
• Can I safely expose my setup to the internet for remote access?
• Stupid question: is MQTT the same as HTTP?