Avalonia Zafiro Development

If you're building cross-platform apps with Avalonia UI and the Zafiro toolkit, this enforces a strict functional-reactive MVVM approach with DynamicData and ReactiveUI at its core. It pushes you toward Result types for error handling, composition over inheritance, and platform-independent ViewModels. The guidance is opinionated: search the codebase first, reuse Zafiro helpers before rolling your own, and use DynamicData operators instead of plain Rx. It includes naming standards, reactive pipeline patterns, and shortcuts for common operations. Honestly, this is less of a suggestion framework and more of a discipline enforcer. Use it when you want guardrails that keep Avalonia projects maintainable and prevent the usual MVVM drift into code-behind chaos.

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last updated: Jul 14, 2026

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Install

$ npx -y skills add sickn33/antigravity-awesome-skills --skill avalonia-zafiro-development --agent claude-code

Installs into .claude/skills of the current project.

Files

Avalonia Zafiro Development

This skill defines the mandatory conventions and behavioral rules for developing cross-platform applications with Avalonia UI and the Zafiro toolkit. These rules prioritize maintainability, correctness, and a functional-reactive approach.

Core Pillars

Functional-Reactive MVVM: Pure MVVM logic using DynamicData and ReactiveUI.
Safety & Predictability: Explicit error handling with Result types and avoidance of exceptions for flow control.
Cross-Platform Excellence: Strictly Avalonia-independent ViewModels and composition-over-inheritance.
Zafiro First: Leverage existing Zafiro abstractions and helpers to avoid redundancy.