PreCom integration

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1

Hi all,

Together with Claude Code, I’ve been working on a PreCom integration for Home Assistant.

PreCom is a service mainly used by Dutch firefighters to receive alerts for emergency calls and to manage their availability (available/unavailable) for deployments.

Since there wasn’t an existing integration yet, I decided to build one myself.

:sparkles: Current Features

At this moment, the integration supports:

  • Changing your availability (on / off / off for X hours)
  • Enabling and disabling capcodes on your PreCom account

:warning: Requirements

This integration only works if you already have a PreCom account.

:test_tube: Project Status

This project is still work in progress:

  • Not feature complete
  • Things may change or break
  • Definitely not a final/stable release yet

:link: Source Code

GitHub:
https://github.com/SvenKortekaas/precom-homeassistant

:raising_hands: Feedback

Feedback, ideas, and suggestions are very welcome!
If you run into issues or have feature requests, feel free to open an issue or respond here.

2

Im not Dutch and can’t read the documentation, but offer these comments as a generalisation.

As an essential service person, should you be relying on a hobby based system to provide you with probable life saving information?

What is lacking in the PreCom software? Should you be focusing your efforts to have that improved instead of parallel developing a separate system using AI tools?

What if your software goes rogue or becomes outdated? Will it affect the official software and put lives at risk?

3

Hi, thanks for the questions — happy to clarify a few things.

First, some context: I'm not a developer of PreCom and I don't work for them. PreCom is and should remain the primary tool. This Home Assistant integration is just a side tool — a convenience for people who already use PreCom and want to do something with that information inside their smart home (flash a light, pause the TV, switch on the coffee machine on a callout, etc.). Using it is entirely optional.

On the safety concern: in the Netherlands the official, life-critical alerting channel for emergency responders is P2000, the national paging network. P2000 runs on its own dedicated radio infrastructure — it does not depend on the internet, Home Assistant, or PreCom. If this integration breaks, becomes outdated, or behaves unexpectedly, the official alert chain is completely unaffected. The pager still goes off. The responder is still alerted. Lives are not at risk.

So the layering is: P2000 is the authoritative, life-safety channel. PreCom sits on top of that. This HA integration sits one step further out — a hobby-level convenience, not a safety-critical link in the chain.

Hope that puts the concern at ease.