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A multi-file Home Assistant automation on an HA Yellow

Claude Code wrote a monitoring automation spanning several YAML files, well beyond what its owner could write alone.

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Earliest dated source: 15 Jul 2025

The full story

A Home Assistant owner used Claude Code to write an automation spread over several YAML files that watches a heat pump, the ventilation system, which windows are open and the weather forecast, then sends notifications and takes action to keep the house cool. They say it is well beyond what they could write themselves, and asked the forum about running Claude Code directly on their HA Yellow.

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Sources

From a short post by the maker, so the details are as they tell them.

  • Home Assistant forum: Claude Code on HA YellowForum threadcommunity.home-assistant.io
    Published 15 Jul 2025

    The Home Assistant forum thread.

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