Ha Integration Dev (Grade A)Security-tested development skill for Claude AI. Grade A. Home Assistant custom integration development in Python. Covers custom_components, DataUpdateCoordinator, config_flow, OAuth2, conversation ag

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Reviewed by Daniel Nikulshyn·Updated July 2026

Overview

This skill provides a reference for developing Home Assistant custom integrations in Python. It covers various aspects such as custom_components, DataUpdateCoordinator, config_flow, OAuth2, conversation agent, HACS publishing, device registry, entity platforms, services, repair issues, diagnostics, Bluetooth integrations, and multi-coordinator patterns. The core principles emphasized include security, proper async patterns, and correct timestamp handling. The skill outlines best practices and common pitfalls to avoid when developing integrations, such as using the DataUpdateCoordinator pattern, proper timestamp handling with dt_util.now() or dt_util.utcnow(), and storing data in entry.runtime_data. It also provides guidance on the development process, from clarifying the integration type to delivering the integration.

Key features

Custom component development
DataUpdateCoordinator pattern
Config flow and OAuth2 support
Conversation agent and HACS publishing
Device registry and entity platforms
Services, repair issues, and diagnostics

Pricing

Model: Free
Category: Skills
Rating: No reviews yet

Use cases

Developing a Custom Home Assistant Integration

This skill is useful for developers who want to create custom integrations for Home Assistant using Python. It provides a comprehensive guide on how to develop, test, and deploy custom integrations.

Improving Existing Home Assistant Integrations

The skill can also be used to improve existing integrations by applying best practices and fixing common issues. It provides guidance on how to update integrations to use the latest features and requirements of Home Assistant.

Pros & Cons

Pros

Comprehensive coverage of Home Assistant custom integration development
Emphasis on security and best practices
Clear guidelines for common integration tasks
Up-to-date information on Home Assistant features and requirements

Cons

Assumes prior knowledge of Python and Home Assistant development
May be overwhelming for beginners due to the amount of information covered

Reviews

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Q&A

What best practices are emphasized for data handling?

It stresses using DataUpdateCoordinator for async data fetching, proper timestamp handling with dt_util.now() or dt_util.utcnow(), and storing state in entry.runtime_data to avoid race conditions.

Asked by Lena Fischer · May 19, 2026

Can I publish my integration using HACS after following this skill?

The skill walks through the steps required for HACS publishing, including setting up metadata, versioning, and repository structure for a smooth release.

Asked by Noor Siddiqui · May 19, 2026

Does the skill cover authentication for integrations?

Yes, it includes guidance on implementing OAuth2 in your custom integration, along with examples of secure config_flow handling.

Asked by Constantin Ionescu · Mar 24, 2026

What level of experience is needed to use Ha Integration Dev?

The skill assumes you already know Python and have some familiarity with Home Assistant development. It’s best suited for developers who can navigate custom_components and the HACS ecosystem.

Asked by Quentin Lefevre · Jan 30, 2026

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