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Home Assistant Auth

This page describes how Home Assistant authentication works in a few scenarios for background context in the discussion around Model Context Protocol authentication.

Users run an instance of Home Assistant software as a self hosted application in their local network.

Users authenticating to their Home Assistant Instance

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Home Assistant Model Context Protocol integration

TL;DR

Completing these steps will let you have an LLM Powered Web scraper in Home Assistant through the Model Context Protocol with an example of how you could make a template entity for extracting new headlines for a display.

Pre-requisites

This assumes you already know about the following:

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FROM mistral:latest
TEMPLATE """{{- range $index, $_ := .Messages }}
{{- if eq .Role "user" }}
{{- if and (eq (len (slice $.Messages $index)) 1) $.Tools }}[AVAILABLE_TOOLS] {{ $.Tools }}[/AVAILABLE_TOOLS]
{{- end }}[INST] {{ if and (eq (len (slice $.Messages $index)) 1) $.System }}{{ $.System }}

{{ end }}{{ .Content }}[/INST]
{{- else if eq .Role "assistant" }}
{{- if .Content }} {{ .Content }}</s>
{{- else if .ToolCalls }}[TOOL_CALLS] [

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- trigger:
  - platform: homeassistant
    event: start
  - platform: time_pattern
    hours: "/6"
  action:
  - service: calendar.list_events
    target:
      entity_id: calendar.personal

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- id: '1688397301915'
  alias: Upcoming Calendar Event Locations
  description: Update the upcoming location helpers based on the next upcoming event.
  trigger:
  - platform: time
    at: 06:00:00
  - platform: time
    at: '12:00:00'
  - platform: time
    at: '18:00:00'

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- trigger:
  - platform: homeassistant
    event: start
  - platform: time_pattern
    hours: "/6"
  action:
  - service: calendar.list_events
    target:
      entity_id: calendar.personal

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blueprint:
  name: Switch on Calendar
  description: Use a calendar for managing a switch schedule.  Switch is turned on according the calendar schedule.
  domain: automation
  input:
    calendar_sensor:
      name: Calendar Sensor
      selector:
        entity:
          domain:

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blueprint:
  name: Evening Light Calendar
  description: Use a calendar for managing a light schedule.  Lights are turned on according the calendar schedule, and only after dark.
  domain: automation
  input:
    calendar_sensor:
      name: Calendar Sensor
      selector:
        entity:
          domain:

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---
blueprint:
  name: Conversation agent Agenda Notification
  description:
    Conversation agent generates a notification based on the upcoming calendar
    agenda, location, and weather information.
  domain: automation
  input:
    notify_time:
      name: Notification time