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Multi-Database Backend
Choose from PostgreSQL, MongoDB, CrateDB, or SQLite. Store retained messages and persistent sessions with enterprise-grade reliability.
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Horizontal Scaling
Built-in Hazelcast clustering enables seamless horizontal scaling. Deploy from production line to enterprise with automatic failover and load balancing.
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MCP Server
Built-in Model Context Protocol (MCP) server enables AI models and LLMs to query real-time and historical MQTT data through GraphQL API and custom SQL queries.
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OPC UA Integration
Native OPC UA client with cluster-aware device management and certificate-based security. Unified archiving ensures industrial data flows through the same central system as MQTT messages. Supports browse paths, node IDs, and wildcard subscriptions for flexible device connectivity.
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WinCC Open Architecture Integration
High-performance bulk transfer from Siemens WinCC Open Architecture SCADA systems. Subscribe to millions of datapoints with a single continuous SQL query leveraging WinCC Open Architecture's powerful dpQueryConnectSingle function. Stream tag values and alerts directly to MQTT topics. Efficient handling of high-volume data changes without per-message overhead.
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WinCC Unified Integration
Modern SCADA integration via GraphQL/WebSocket for Siemens WinCC Unified. Real-time tag value subscriptions with flexible name filters and wildcards. Stream active alarms and alerts with complete alarm details including state, priority, and timestamps. Optional OPC UA quality information for tag values including quality codes and status flags.
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MQTT to MQTT Bridge
Built-in MQTT bridge functionality enables bidirectional message flow between brokers. Forward messages to remote brokers with topic filters and transformations, or consume messages from external MQTT brokers. Perfect for building hierarchical broker architectures and connecting distributed systems without external tools.
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Workflows (Flow Engine)
Visual flow-based programming with JavaScript runtime. Create data processing pipelines with drag-and-drop nodes. Transform, filter, and aggregate MQTT messages in real-time with reusable flow templates and instance-specific configuration.
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GraphQL API
Query current topic states and historical data through a modern GraphQL interface with real-time subscriptions support.
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SQL Query Interface
All data stored in central databases can be queried with standard SQL, enabling powerful analytics and reporting.
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Enterprise Security
TLS/SSL support, user authentication with BCrypt, fine-grained ACL rules, and database-level security.
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Topic Browser
Interactive topic tree navigation with search capabilities and message inspection. Browse MQTT topic hierarchies with expandable nodes and view message data in real-time.
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Web Dashboard
Complete web-based management interface for archive groups, users, and system configuration. Real-time updates without broker restarts.
