reactor-forms

Reactor forms and validation — `UseValidationContext`, built-in validators (`Validate.Required`, `Validate.Email`, `Validate.MinLength`, etc.), `FormField` helper, masked input via `MaskEngine`, `InputFormatter`. Use when building data-entry screens, validation flows, or controlled-input forms.

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Repository: microsoft/microsoft-ui-reactor
Last source activity: September 28, 2026 at 18:01
Detected SKILL.md language: English
Stars: 855
Forks: 65

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name	reactor-forms
description	Reactor forms and validation — `UseValidationContext`, built-in validators (`Validate.Required`, `Validate.Email`, `Validate.MinLength`, etc.), `FormField` helper, masked input via `MaskEngine`, `InputFormatter`. Use when building data-entry screens, validation flows, or controlled-input forms.

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reactor-app

Create WinUI 3 desktop applications using the Reactor framework — a React-inspired declarative C# projection over WinUI 3. No XAML, no data binding, no templates. This file is the legacy single-file skill — prefer the `reactor` plugin under `plugins/reactor/` (or `agentkit/plugins/reactor/` in the NuGet) for a more efficient skill-loading experience.

2026-11-09

reactor-dsl

Pointer to the full Reactor API signatures index (`references/reactor.api.txt`). The 90% of DSL content — hooks, components, common factories, modifiers, theme tokens, gotchas, React-to-Reactor mapping — already lives in `reactor-getting-started`. Load this skill only when you need to verify a less-common signature against the alphabetized full index.

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reactor-build-and-check

Building Reactor apps and reading diagnostics — `mur check <path>` is the build (same exit code as `dotnet build`, never re-run to confirm) with one-line diagnostics, skill pointers, and `→ try:` did-you-mean suggestions to use verbatim. Covers iteration vs `--final` workflow, the common-build-errors cheat table mapping `REACTOR_HOOKS_*` / `REACTOR_DSL_*` / `REACTOR_THEME_*` / `REACTOR_A11Y_*` / `REACTOR_OPT_*` / `CS*` IDs to fixes, when single-file vs `.csproj` matters for analyzer coverage, build prerequisites. Use when a build fails, you see an analyzer warning, or you want a structured diagnostic stream instead of raw MSBuild output.

2026-11-09

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reactor-forms

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