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Image: reddit.com · Adding 10 FP300's and updating entities with browser based AI has made my HA life 10x easier.

Worked Proof shown

Bulk Home Assistant entity changes made by Claude in a browser

Claude Code in Chrome used Home Assistant's own web API to copy settings across 32 entities on each new Aqara FP300 sensor in seconds.

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Credits

  • Reddit poster GollyJer Source ↗

Earliest dated source: 5 May 2026

The full story

Each of the owner's ten Aqara FP300 presence sensors adds many entities, and hiding 32 of them by hand was painful. From a logged-in Chrome session, they asked Claude Code to use the API that Home Assistant's web app uses; it first declined, then went ahead when told it was a private server.

Using an already configured sensor as the template, Claude now applies the same changes to each new sensor when given its URL, which takes about ten seconds.

How it was done

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Sources

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

  • Reddit: Adding 10 FP300's and updating entities with browser based AI has made my HA life 10x easier.Forum threadreddit.com
    Reddit poster: GollyJerPosted 5 May 2026

    The maker's post on r/homeassistant.

    If it disappears: archived copy of Reddit: Adding 10 FP300's and updating entities with browser based AI has made my HA life 10x easier. (opens in a new tab)

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Prompt & Solder

An independent community project. Not affiliated with Anthropic.

What this is. Real projects where people used Claude to build, fix, port, revive or take apart something, from jailbroken Kindles to rebuilt DOS games, plus the times it went badly wrong. Every build links to where it was shared, and every source is listed here.

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