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avalonia-viewmodels-zafiro

Optimal ViewModel and Wizard creation patterns for Avalonia using Zafiro and ReactiveUI.

Quality

56%

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SecuritybySnyk

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tessl review fix ./skills/antigravity-avalonia-viewmodels-zafiro/SKILL.md

The canonical home for this skill is avalonia-viewmodels-zafiro in sickn33/agentic-awesome-skills

SKILL.md
Quality
Evals
Security

Quality

Content

36%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is a compact, well-organized overview with concrete API names and sensible boundary guidance, but it contains no executable code, no sequenced workflow, and its four referenced guide files are missing from the bundle, leaving the promised detail undeliverable. The 'When to Use' and 'Limitations' sections add boilerplate rather than skill-specific value.

Suggestions

Add a minimal executable C# snippet for the core pattern (e.g., a ReactiveObject ViewModel exposing an IEnhancedCommand) so the overview anchors to runnable code instead of API names alone.

Ship the four referenced guide files (viewmodels.md, wizards.md, navigation_sections.md, composition.md) or inline their key patterns, since the links currently dangle with no bundle behind them.

Replace the circular 'When to Use' and generic 'Limitations' boilerplate with a short sequenced workflow (identify the pattern → build it → verify syntax against the installed Zafiro/ReactiveUI version) with an explicit validation checkpoint before committing side effects.

DimensionReasoningScore

Conciseness

Core Principles are lean ('Use `IEnhancedCommand` for better command management'), but 'This skill is applicable to execute the workflow or actions described in the overview' is circular filler, the Limitations section is generic boilerplate, and 'leveraging the power of' is padding. This matches anchor 3 (mostly efficient with some unnecessary content that could be trimmed) rather than 4, where over-explanation would be only minor.

3 / 5

Actionability

Concrete API names are given ('ReactiveObject', 'WhenAnyValue', 'IEnhancedCommand', 'SlimWizard', 'WizardBuilder', '[Section]', 'DataTypeViewLocator', 'CompositionRoot') but there is no code, syntax, or command anywhere, and the four linked guides (viewmodels.md, wizards.md, navigation_sections.md, composition.md) do not exist in the bundle. This is high-level hints missing the specific steps to execute (anchor 2); it does not reach anchor 3 because the promised executable detail is entirely absent.

2 / 5

Workflow Clarity

No sequenced process for creating a ViewModel or wizard exists — content is a principles catalog plus guide pointers, and validation concerns appear only as scattered prose in 'Integration boundaries' ('verify APIs/source-generator syntax against the installed Zafiro/ReactiveUI version', 'handle wizard cancellation/failure before committing side effects'). This fits anchor 2 (rough orientation, poorly defined process, no checkpoints) better than 3, where steps would at least be listed in sequence.

2 / 5

Progressive Disclosure

The body is structured as an overview with clearly signaled, one-level-deep guide links ('[ViewModels & Commands](viewmodels.md): Creating robust ViewModels and handling commands'), and it correctly flags Angor files as external. However, none of the four referenced guide files are present in the bundle (no references/ directory exists), so content is not actually split across files — a structural gap beyond anchor 4's 'minor organization gaps'.

3 / 5

Total

10

/

20

Passed

Description

61%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description names a highly specific niche with its natural trigger keywords, but provides only one generic action ('creation patterns') prefixed by the buzzword 'Optimal' and entirely lacks a 'Use when...' trigger clause, which caps completeness. It is distinctive within the Avalonia/Zafiro ecosystem but thin as a standalone capability statement.

Suggestions

Add an explicit trigger clause, e.g. 'Use when creating ViewModels, wizards, or section-based navigation in Avalonia apps with Zafiro/ReactiveUI, or when the user mentions ReactiveObject, IEnhancedCommand, SlimWizard, or WizardBuilder.'

Replace the buzzword 'Optimal' with additional concrete actions drawn from the body, e.g. 'Create ViewModels with IEnhancedCommand, build multi-step wizards with SlimWizard, wire views via DataTypeViewLocator.'

DimensionReasoningScore

Specificity

'Optimal ViewModel and Wizard creation patterns' offers one generic action verb ('creation') over two named deliverables, prefixed by the buzzword 'Optimal'. This lands between anchor 2 ('names the domain but actions are minimal or generic', e.g. 'Processes PDF files') and anchor 3 (1-2 concrete actions) — above 2 because ViewModel and Wizard creation are two concrete deliverables, below 4 because no further actions or coverage are listed.

3 / 5

Completeness

The 'what' is clear ('ViewModel and Wizard creation patterns for Avalonia using Zafiro and ReactiveUI') but there is no 'Use when...' clause or equivalent trigger guidance, which per the judging guidelines caps completeness at 3 ('clear what, when missing'). It is not 4 or 5 because 'when' is entirely absent rather than merely implicit or underspecified.

3 / 5

Trigger Term Quality

'ViewModel', 'Wizard', 'Avalonia', 'Zafiro', and 'ReactiveUI' are precisely the natural terms a user of this stack would say. It matches anchor 4 ('good keyword coverage; a few natural terms missing') rather than 5 because common variations the skill actually covers — navigation, commands, sections, multi-step flows — are absent.

4 / 5

Distinctiveness Conflict Risk

'Avalonia using Zafiro and ReactiveUI' carves out a clear, niche stack with minimal conflict risk. It sits at anchor 4 ('mostly distinct; minor overlap risk with closely related skills') rather than 5 because ReactiveUI is also used in WPF/MAUI contexts, so a general ReactiveUI skill could overlap since no Avalonia-specific trigger constraint is stated.

4 / 5

Total

14

/

20

Passed

Validation

87%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 14 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

relative_links

Relative link issues: 4 missing

Warning

Total

14

/

16

Passed

Repository

boisenoise/skills-collections

Path

skills/antigravity-avalonia-viewmodels-zafiro/SKILL.md

Reviewed

Table of Contents

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