evcc-io/server/mcp/openapi.md

MCP Tools Documentation

API Title: evcc

Version: 0.2.0

Solar charging. Super simple.

changePassword

Changes the admin password.

Tags: auth

Arguments:

Name	Type	Description
requestBody	object	The JSON request body.

Example call:

call changePassword {
  "requestBody": "..."
}

getApiKeyStatus

Reports whether an API key has been generated. The key itself is only returned once at creation time (POST), never on subsequent reads.

Tags: auth

getAuthStatus

Whether the current user is logged in.

Tags: auth

login

Administrator login. Returns authorization cookie required for all protected endpoints.

Tags: auth

Arguments:

Name	Type	Description
requestBody	object	The JSON request body.

Example call:

call login {
  "requestBody": "..."
}

logout

Logout and delete authorization cookie

Tags: auth

regenerateApiKey

Generates a fresh API key, replacing any existing one. The returned key is shown only once; store it immediately.

Even when the request is authenticated via API key (Bearer), the admin password must be supplied in the request body to prevent a leaked key from rotating itself. The password check is skipped when the server is started with --disable-auth.

Tags: auth

Arguments:

Name	Type	Description
requestBody	object	The JSON request body.

Example call:

call regenerateApiKey {
  "requestBody": "..."
}

disableExternalBatteryControl

Default evcc control behavior is restored

Tags: battery

removeBatteryGridChargeLimit

Remove battery grid charge limit.

Tags: battery

setBatteryDischargeControl

Prevent home battery discharge during vehicle fast charging.

Tags: battery

Arguments:

Name	Type	Description
enable	string	Charging mode.

Example call:

call setBatteryDischargeControl {
  "enable": "true"
}

setBatteryGridChargeLimit

Charge home battery from grid when price or emissions are below the threshold. Uses price if a dynamic tariff exists. Uses emissions if a CO₂-tariff is configured. Ignored otherwise.

Tags: battery

Arguments:

Name	Type	Description
cost	number	Cost limit in configured currency (default EUR) or CO2 limit in g/kWh

Example call:

call setBatteryGridChargeLimit {
  "cost": 123.45
}

setBatteryGridDischarge

Allow the home battery to discharge to the grid (experimental).

Tags: battery

Arguments:

Name	Type	Description
enable	string	Charging mode.

Example call:

call setBatteryGridDischarge {
  "enable": "true"
}

setBufferSoc

Set battery buffer SoC.

Tags: battery

Arguments:

Name	Type	Description
soc	number	SOC in %

Example call:

call setBufferSoc {
  "soc": 60
}

setBufferStartSoc

Set battery buffer start SoC.

Tags: battery

Arguments:

Name	Type	Description
soc	number	SOC in %

Example call:

call setBufferStartSoc {
  "soc": 60
}

setExternalBatteryMode

Directly controls the mode of all controllable batteries. evcc behavior like 'price limit' or 'prevent discharge while fast charging' is overruled. External mode resets after 60s. The external system has to call this endpoint regularly.

Tags: battery

Arguments:

Name	Type	Description
batteryMode	string	Battery operation mode.

Example call:

call setExternalBatteryMode {
  "batteryMode": "unknown"
}

setPrioritySoc

Set battery priority SoC.

Tags: battery

Arguments:

Name	Type	Description
soc	number	SOC in %

Example call:

call setPrioritySoc {
  "soc": 60
}

setResidualPower

Set grid connection operating point.

Tags: battery

Arguments:

Name	Type	Description
power	number	Power in W

Example call:

call setResidualPower {
  "power": 2500
}

downloadBackup

Downloads the SQLite database as a backup file. Session users must supply the admin password in the X-Admin-Password header. API key holders via Bearer token are exempt.

Tags: db

Arguments:

Name	Type	Description
X-Admin-Password	string	Admin password (required for session auth, not needed for API key)

Example call:

call downloadBackup {
  "X-Admin-Password": "example"
}

resetDatabase

Selectively deletes sessions and/or settings from the database. Session users must supply the admin password in the X-Admin-Password header. API key holders via Bearer token are exempt. The instance restarts after a successful reset.

Tags: db

Arguments:

Name	Type	Description
X-Admin-Password	string	Admin password (required for session auth, not needed for API key)
requestBody	object	The JSON request body.

Example call:

call resetDatabase {
  "X-Admin-Password": "example",
  "requestBody": "..."
}

restoreBackup

Restores the database from a previously downloaded backup file. Session users must supply the admin password in the X-Admin-Password header. API key holders via Bearer token are exempt. The instance restarts after a successful restore.

Tags: db

Arguments:

Name	Type	Description
X-Admin-Password	string	Admin password (required for session auth, not needed for API key)

Example call:

call restoreBackup {
  "X-Admin-Password": "example"
}

getEnergyHistory

Returns aggregated energy history data. Aggregate granularity defaults to 15 minutes. Supports CSV export.

Tags: experimental

Arguments:

Name	Type	Description
aggregate	string	Aggregation interval. Examples: 15m, 1h, day, month
format	string	Response format
from	string	Start time (RFC3339)
group	string	Filter by entity group
grouped	boolean	Group results by loadpoint
lang	string	Language for CSV column headers (BCP 47, e.g. de, en). Defaults to Accept-Language header.
name	string	Filter by entity name
title	string	Filter by entity title
to	string	End time (RFC3339)

Example call:

call getEnergyHistory {
  "aggregate": "1h",
  "format": "json",
  "from": "2026-07-01T00:00:00Z",
  "group": "battery",
  "grouped": false,
  "lang": "de",
  "name": "db:8",
  "title": "Battery",
  "to": "2026-07-02T00:00:00Z"
}

setSolarAdjusted

Adjust the solar forecast to real production data of the current day.

Tags: experimental

Arguments:

Name	Type	Description
enable	string	Charging mode.

Example call:

call setSolarAdjusted {
  "enable": "true"
}

removeGlobalSmartCostLimit

Convenience method to remove limit for all loadpoints at once. Value is applied to each individual loadpoint.

Tags: general

removeGlobalSmartFeedInPriorityLimit

Convenience method to remove limit for all loadpoints at once. Value is applied to each individual loadpoint.

Tags: general

setGlobalSmartCostLimit

Convenience method to set smart charging cost limit for all loadpoints at once. Value is applied to each individual loadpoint.

Tags: general

Arguments:

Name	Type	Description
cost	number	Cost limit in configured currency (default EUR) or CO2 limit in g/kWh

Example call:

call setGlobalSmartCostLimit {
  "cost": 123.45
}

setGlobalSmartFeedInPriorityLimit

Convenience method to set smart feed-in priority limit for all loadpoints at once. Value is applied to each individual loadpoint.

Tags: general

Arguments:

Name	Type	Description
cost	number	Cost limit in configured currency (default EUR) or CO2 limit in g/kWh

Example call:

call setGlobalSmartFeedInPriorityLimit {
  "cost": 123.45
}

assignLoadpointVehicle

Assigns vehicle to loadpoint.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
name	string	Vehicle name

Example call:

call assignLoadpointVehicle {
  "id": 1,
  "name": "vehicle_1"
}

deleteLoadpointEnergyPlan

Delete charging plan. Only available when a vehicle without SoC is connected.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1

Example call:

call deleteLoadpointEnergyPlan {
  "id": 1
}

deleteLoadpointSmartCostLimit

Delete cost or emission limit for fast-charging with grid energy.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1

Example call:

call deleteLoadpointSmartCostLimit {
  "id": 1
}

deleteLoadpointSmartFeedInPriorityLimit

Delete limit for feed-in priority optimization.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1

Example call:

call deleteLoadpointSmartFeedInPriorityLimit {
  "id": 1
}

getLoadpointPlan

Returns the current charging plan for this loadpoint.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1

Example call:

call getLoadpointPlan {
  "id": 1
}

previewLoadpointEnergyPlan

Simulate charging plan based on energy goal. Does not alter the actual charging plan.

Tags: loadpoints

Arguments:

Name	Type	Description
energy	number	Energy in kWh
id	integer	Loadpoint index starting at 1
timestamp	string	Timestamp in RFC3339 format

Example call:

call previewLoadpointEnergyPlan {
  "energy": 25.5,
  "id": 1,
  "timestamp": "example"
}

previewLoadpointRepeatingPlan

Simulate repeating charging plan and return the result. Does not alter the actual charging plan.

Tags: loadpoints

Arguments:

Name	Type	Description
hourMinuteTime	string	Time in HOURS:MINUTES format
id	integer	Loadpoint index starting at 1
soc	number	SOC in %
timezone	string	Timezone in IANA format
weekdays	array	The Weekdays

Example call:

call previewLoadpointRepeatingPlan {
  "hourMinuteTime": "12:30",
  "id": 1,
  "soc": 60,
  "timezone": "Europe/Berlin",
  "weekdays": [
    1,
    3,
    4
  ]
}

previewLoadpointSocPlan

Simulate charging plan based on SoC goal. Does not alter the actual charging plan.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
soc	number	SOC in %
timestamp	string	Timestamp in RFC3339 format

Example call:

call previewLoadpointSocPlan {
  "id": 1,
  "soc": 60,
  "timestamp": "example"
}

removeLoadpointVehicle

Remove vehicle from loadpoint. Connected vehicle is treated as guest vehicle.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1

Example call:

call removeLoadpointVehicle {
  "id": 1
}

setLoadpointBatteryBoost

Enable or disable battery boost. When active, the maximum available home battery power is added until the home battery is drained to configured SoC limit. Note: boost will not work while the battery is on hold (e.g. during fast charging or planned charging with discharge prevention enabled).

Tags: loadpoints

Arguments:

Name	Type	Description
enable	string	Charging mode.
id	integer	Loadpoint index starting at 1

Example call:

call setLoadpointBatteryBoost {
  "enable": "true",
  "id": 1
}

setLoadpointBatteryBoostLimit

Set the SoC limit for battery boost. Home battery will be used to support charging up to this SoC level. A value of 100 (default) disabled the boost feature in UI and API.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
soc	number	SOC in %

Example call:

call setLoadpointBatteryBoostLimit {
  "id": 1,
  "soc": 60
}

setLoadpointDisableDelay

Delay before charging stops in solar mode.

Tags: loadpoints

Arguments:

Name	Type	Description
delay	integer	Duration in seconds.
id	integer	Loadpoint index starting at 1

Example call:

call setLoadpointDisableDelay {
  "delay": 60,
  "id": 1
}

setLoadpointDisableThreshold

Specifies the grid draw power to stop charging in solar mode.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
threshold	number	Power in W

Example call:

call setLoadpointDisableThreshold {
  "id": 1,
  "threshold": 2500
}

setLoadpointEnableDelay

Delay before charging starts in solar mode.

Tags: loadpoints

Arguments:

Name	Type	Description
delay	integer	Duration in seconds.
id	integer	Loadpoint index starting at 1

Example call:

call setLoadpointEnableDelay {
  "delay": 60,
  "id": 1
}

setLoadpointEnableThreshold

Specifies the available surplus power to start charging in solar mode.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
threshold	number	Power in W

Example call:

call setLoadpointEnableThreshold {
  "id": 1,
  "threshold": 2500
}

setLoadpointEnergyLimit

Updates the energy limit of the loadpoint. Only available for guest vehicles and vehicles with unknown SoC. Limit is removed on vehicle disconnect.

Tags: loadpoints

Arguments:

Name	Type	Description
energy	number	Energy in kWh
id	integer	Loadpoint index starting at 1

Example call:

call setLoadpointEnergyLimit {
  "energy": 25.5,
  "id": 1
}

setLoadpointEnergyPlan

Create charging plan with fixed time and energy target. Only available when a vehicle without SoC is connected.

Tags: loadpoints

Arguments:

Name	Type	Description
energy	number	Energy in kWh
id	integer	Loadpoint index starting at 1
timestamp	string	Timestamp in RFC3339 format

Example call:

call setLoadpointEnergyPlan {
  "energy": 25.5,
  "id": 1,
  "timestamp": "example"
}

setLoadpointMaxCurrent

Updates the maximum current of the loadpoint.

Tags: loadpoints

Arguments:

Name	Type	Description
current	number	Electric current in A
id	integer	Loadpoint index starting at 1

Example call:

call setLoadpointMaxCurrent {
  "current": 16,
  "id": 1
}

setLoadpointMinCurrent

Updates the minimum current of the loadpoint.

Tags: loadpoints

Arguments:

Name	Type	Description
current	number	Electric current in A
id	integer	Loadpoint index starting at 1

Example call:

call setLoadpointMinCurrent {
  "current": 16,
  "id": 1
}

setLoadpointMinTemp

Sets the minimum temperature for heating devices. The device is heated as fast as possible while below this value. Set to 0 to disable.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
temp	number	Temperature in °C

Example call:

call setLoadpointMinTemp {
  "id": 1,
  "temp": 50
}

setLoadpointMode

Changes the charging behavior of the loadpoint.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
mode	string	Charging mode.

Example call:

call setLoadpointMode {
  "id": 1,
  "mode": "off"
}

setLoadpointPhases

Updates the allowed phases of the loadpoint. Selects the desired phase mode for chargers with automatic phase switching. For manual phase switching chargers (via cable or Lasttrennschalter) this value tells evcc the actual phases.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
phases	string	Number of phases. (0: auto, 1: 1-phase, 3: 3-phase)

Example call:

call setLoadpointPhases {
  "id": 1,
  "phases": "3"
}

setLoadpointPlanStrategy

Updates the charging plan strategy for the loadpoint.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
requestBody	object	The JSON request body.

Example call:

call setLoadpointPlanStrategy {
  "id": 1,
  "requestBody": "..."
}

setLoadpointPriority

Set loadpoint priority.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
priority	integer	Higher number means higher priority.

Example call:

call setLoadpointPriority {
  "id": 1,
  "priority": 123
}

setLoadpointSmartCostLimit

Set cost or emission limit for fast-charging with grid energy.

Tags: loadpoints

Arguments:

Name	Type	Description
cost	number	Cost limit in configured currency (default EUR) or CO2 limit in g/kWh
id	integer	Loadpoint index starting at 1

Example call:

call setLoadpointSmartCostLimit {
  "cost": 123.45,
  "id": 1
}

setLoadpointSmartFeedInPriorityLimit

Set limit for feed-in priority optimization.

Tags: loadpoints

Arguments:

Name	Type	Description
cost	number	Cost limit in configured currency (default EUR) or CO2 limit in g/kWh
id	integer	Loadpoint index starting at 1

Example call:

call setLoadpointSmartFeedInPriorityLimit {
  "cost": 123.45,
  "id": 1
}

setLoadpointSocLimit

Sets the session SoC limit. Cleared on disconnect. Takes precedence over the vehicle's configured limit while set; once cleared (set to 0), the vehicle limit applies again.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
soc	number	SOC in %

Example call:

call setLoadpointSocLimit {
  "id": 1,
  "soc": 60
}

startLoadpointVehicleDetection

Starts the automatic vehicle detection process.

Tags: loadpoints

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1

Example call:

call startLoadpointVehicleDetection {
  "id": 1
}

deleteSession

Delete charging session.

Tags: sessions

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1

Example call:

call deleteSession {
  "id": 1
}

getGridSessions

Returns a list of HEMS grid limitation events.

Tags: sessions

Arguments:

Name	Type	Description
format	string	Response format (default json)
lang	string	Language (defaults to accept header)

Example call:

call getGridSessions {
  "format": "csv",
  "lang": "de"
}

getSessions

Returns a list of charging sessions.

Tags: sessions

Arguments:

Name	Type	Description
format	string	Response format (default json)
lang	string	Language (defaults to accept header)
month	integer	Month filter
year	integer	Year filter

Example call:

call getSessions {
  "format": "csv",
  "lang": "de",
  "month": 2,
  "year": 2025
}

updateSession

Update vehicle, loadpoint or odometer of a charging session. Only provided fields are changed; a null odometer clears the stored value.

Tags: sessions

Arguments:

Name	Type	Description
id	integer	Loadpoint index starting at 1
requestBody	object	The JSON request body.

Example call:

call updateSession {
  "id": 1,
  "requestBody": "..."
}

getState

Returns the complete state of the system. This structure is used by the UI and also published via websocket and MQTT. It can be filtered by JQ to only return a subset of the data. Note: the response mirrors the internal UI state and carries no compatibility promise. Fields may change or disappear between releases.

Tags: state

Arguments:

Name	Type	Description
jq	string	Filter the state with JQ

Example call:

call getState {
  "jq": "example"
}

clearCache

Clears all cached data. This resets all cached values from tariffs, vehicle APIs, and other components that use caching.

Tags: system

getLogAreas

Returns a list of all log areas (e.g. lp-1, site, db).

Tags: system

getSystemLogs

Returns the latest log lines.

Tags: system

Arguments:

Name	Type	Description
areas	array	Comma-separated list of log areas
count	integer	Number of log lines to return
format	string	File type
level	string	Log level

Example call:

call getSystemLogs {
  "areas": [
    "lp-1",
    "site",
    "db"
  ],
  "count": 123,
  "format": "txt",
  "level": "DEBUG"
}

setTelemetryStatus

Enable or disable telemetry. Note: Telemetry requires sponsorship.

Tags: system

Arguments:

Name	Type	Description
enable	string	Charging mode.

Example call:

call setTelemetryStatus {
  "enable": "true"
}

shutdownSystem

Shut down instance. There is no reboot command. We expect the underlying system (docker, systemd, etc.) to restart the evcc instance once it's terminated.

Tags: system

getTariffInfo

Returns the prices or emission values for the upcoming hours

Tags: tariffs

Arguments:

Name	Type	Description
type	string	Tariff type

Example call:

call getTariffInfo {
  "type": "grid"
}

deleteVehicleMode

Resets the vehicle charge mode to keep the last selected mode.

Tags: vehicles

Arguments:

Name	Type	Description
name	string	Vehicle name

Example call:

call deleteVehicleMode {
  "name": "vehicle_1"
}

deleteVehicleSocPlan

Delete the charging plan

Tags: vehicles

Arguments:

Name	Type	Description
name	string	Vehicle name

Example call:

call deleteVehicleSocPlan {
  "name": "vehicle_1"
}

setVehicleMinSoc

Vehicle will be fast-charged until this SoC is reached.

Tags: vehicles

Arguments:

Name	Type	Description
name	string	Vehicle name
soc	number	SOC in %

Example call:

call setVehicleMinSoc {
  "name": "vehicle_1",
  "soc": 60
}

setVehicleMode

Sets the charge mode applied when this vehicle becomes active on a loadpoint.

Tags: vehicles

Arguments:

Name	Type	Description
mode	string	Charging mode.
name	string	Vehicle name

Example call:

call setVehicleMode {
  "mode": "off",
  "name": "vehicle_1"
}

setVehiclePlanStrategy

Updates the charging plan strategy for the vehicle.

Tags: vehicles

Arguments:

Name	Type	Description
name	string	Vehicle name
requestBody	object	The JSON request body.

Example call:

call setVehiclePlanStrategy {
  "name": "vehicle_1",
  "requestBody": "..."
}

setVehicleSocLimit

Charging will stop when this SoC is reached.

Tags: vehicles

Arguments:

Name	Type	Description
name	string	Vehicle name
soc	number	SOC in %

Example call:

call setVehicleSocLimit {
  "name": "vehicle_1",
  "soc": 60
}

setVehicleSocPlan

Create charging plan with fixed time and SoC target.

Tags: vehicles

Arguments:

Name	Type	Description
name	string	Vehicle name
soc	number	SOC in %
timestamp	string	Timestamp in RFC3339 format

Example call:

call setVehicleSocPlan {
  "name": "vehicle_1",
  "soc": 60,
  "timestamp": "example"
}

updateVehicleRepeatingPlans

Updates the repeating charging plan.

Tags: vehicles

Arguments:

Name	Type	Description
name	string	Vehicle name
requestBody	array	The JSON request body.

Example call:

call updateVehicleRepeatingPlans {
  "name": "vehicle_1",
  "requestBody": "..."
}