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MQTT X 1.13.3

Your All-in-One MQTT Client Toolbox

filecart Linux Updated Nov 05, 2026
Download 86.60 MB · com.emqx.MQTTX
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MQTT X 1.13.3 screenshot

About MQTT X

MQTT X is a cross-platform MQTT 5.0 client tool open sourced by EMQ, which can run on macOS,
Linux and Windows, and supports formatting MQTT payload.

MQTT X simplifies the operation logic of the page with the help of chatting software. The user
can quickly create a connection to save and establish multiple connection clients at the same time.
It is convenient for the user to quickly test the connection of MQTT/TCP?MQTT/TLS, MQTT/WebSocket
Publish / Subscribe functions and other features.

License: Apache-2.0
Release info Update on Nov 03, 2026
Release notes Release Note

MQTTX Agent . Dashboard . GZIP Decompression

MQTTX 1.13.2 introduces MQTTX Agent and makes Dashboard available for the first time.

MQTTX Agent

MQTTX Agent is an AI Agent for operating MQTTX through natural language, covering connections, messaging, troubleshooting, and device interaction.
o Less repetitive setup: Describe a multi-step task to configure connections, manage subscriptions, and publish messages.
o Device interaction: Query device state, send commands, and check feedback using the device's existing MQTT protocol.
o Help with troubleshooting: Analyze connection details, messages, and logs to investigate communication problems.
o Simpler integration setup: Generate client code, test data, schemas, and message transformation scripts.

Ask mode requires approval for changes. See the Agent guide for setup and usage.

Dashboard

Dashboard is available for the first time and can be configured independently.
o Inspect device state: Display temperature, humidity, pressure, and other fields as live readings, gauges, and trend charts.
o Compare metrics together: Observe data from different connections, topics, and fields in one dashboard.
o Review changes over time: Query messages saved locally within a time range. Live updates and history queries both support MQTT + and # topic filters.

Connect to the broker and subscribe to source topics before configuring Viewer -> Dashboard. See the Dashboard guide.

Other improvements

Desktop and Web:
o Optional GZIP decompression displays compressed messages directly.
o Individual publish-topic history entries can be deleted.
o Clean-session connections support deleting or disabling subscriptions offline. Persistent sessions still require a connection to change broker subscriptions.
o The empty page adds quick connection actions and easier access to the connection list.
o The About page adds EMQ product and learning links.

Desktop:
o Each connection keeps its own publish topic, payload draft, and publish...
Listing dataFlathub

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