unofficialMCP4Vaillant
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| VAILLANT_BRAND | No | One of vaillant, sdbg, bulex, glow-worm | vaillant |
| VAILLANT_COUNTRY | No | Country slug | germany |
| VAILLANT_PASSWORD | Yes | MyVaillant account password | |
| VAILLANT_USERNAME | Yes | MyVaillant account email | |
| VAILLANT_LOG_LEVEL | No | DEBUG / INFO / WARNING / ERROR | INFO |
| VAILLANT_CACHE_ENABLED | No | Disable for debugging | true |
| VAILLANT_DEFAULT_SYSTEM_ID | No | Override picked system when more than one exists |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| vaillant_get_statusA | Current snapshot of the Vaillant heat pump system: outdoor temperature, water pressure, energy manager state, plus per-zone, per-circuit, per-DHW, per-ventilation details. Read-only. |
| vaillant_get_devicesA | Static hardware inventory: home name, controller model, firmware, plus all heat-generators, backup heaters, ventilation, gateway. Read-only. |
| vaillant_get_energy_reportB | Energy consumption and generation per device per operation_mode for a given time range, in the home's local timezone. Includes a derived cop_estimate (heat_generated / consumed_electrical) with a quality flag. |
| vaillant_get_diagnosticsB | Diagnostic snapshot split into engineering_config (heating curve, bivalence points, controller type) and volatile_state (DTCs, holiday, system_off). Read-only. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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