Fronius MCP Server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| LOG_LEVEL | No | Log level: error, warn, info, debug | info |
| FRONIUS_HOST | No | Hostname or IP of Fronius device | fronius-inverter |
| FRONIUS_PORT | No | Port | 80 |
| FRONIUS_RETRIES | No | Number of retry attempts | 3 |
| FRONIUS_TIMEOUT | No | Request timeout in ms | 10000 |
| FRONIUS_PROTOCOL | No | Protocol: http or https | http |
| FRONIUS_DEVICE_ID | No | Default device ID | 1 |
| FRONIUS_RETRY_DELAY | No | Delay between retries in ms | 1000 |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {} |
| resources | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| get_api_versionA | Get Fronius Solar API version information |
| get_system_statusB | Get system status and logger information |
| get_logger_led_infoA | Get logger LED status information |
| get_inverter_infoC | Get static inverter information |
| get_inverter_realtimeB | Get real-time inverter data including power, energy, voltage, current |
| get_meter_realtimeB | Get real-time smart meter data |
| get_powerflow_realtimeA | Get real-time power flow data showing energy production, consumption, and grid interaction |
| get_archive_dataB | Get historical archive data for a specific time period |
| get_sensor_realtimeB | Get real-time sensor data (temperature, irradiance, wind, etc.) |
| get_string_realtimeA | Get real-time DC string data (voltage and current per string) |
| get_storage_realtimeA | Get real-time battery storage data (state of charge, power, temperature) |
| get_ohmpilot_realtimeA | Get real-time OhmPilot data (smart heating element controller power and temperature) |
| get_active_devicesC | Get information about active devices in the system |
| test_connectionA | Test the connection to the Fronius device |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
| API Version | Fronius Solar API version information |
| System Status | Logger and system information |
| LED Status | Logger LED status information |
| Inverter Information | Static inverter information |
| Inverter Realtime Data | Current inverter measurements and status |
| Smart Meter Realtime Data | Current smart meter measurements |
| Power Flow Realtime Data | Energy flow data showing production, consumption, and grid interaction |
| Sensor Realtime Data | Environmental sensor data (temperature, irradiance, etc.) |
| String Realtime Data | DC string voltage and current measurements |
| Storage Realtime Data | Battery storage system data including state of charge, power, and temperature |
| OhmPilot Realtime Data | Smart heating element controller data including power consumption and temperature |
| Active Devices | List of active devices in the system |
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