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avalonia-zafiro-development

Mandatory skills, conventions, and behavioral rules for Avalonia UI development using the Zafiro toolkit.

45

Quality

48%

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tessl review fix ./skills/antigravity-avalonia-zafiro-development/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

38%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 SKILL.md body is a well-organized but hollow shell: it reads as an index to five detailed guides that are missing from the bundle, leaving almost no concrete, actionable guidance on its own. Boilerplate 'When to Use'/'Limitations' sections pad the file while the dangling references undermine its entire structure.

Suggestions

Ship the five referenced guide files in the bundle (e.g. under references/) or inline the essential rules from them; a SKILL.md that only indexes nonexistent files provides no value.

Add at least a few concrete, executable rules inline — e.g. one naming-convention example and one DynamicData pipeline snippet — so the skill is actionable even before opening the guides.

Replace the generic 'When to Use' and 'Limitations' boilerplate with skill-specific trigger conditions and real limitations of the Avalonia/Zafiro conventions.

DimensionReasoningScore

Conciseness

The Core Pillars and Guides sections are lean and assume Claude's competence, but the 'When to Use' section ('This skill is applicable to execute the workflow or actions described in the overview') and the generic 'Limitations' boilerplate are padding that could be trimmed. This matches anchor 3 ('mostly efficient but includes some unnecessary explanation or could be tightened') rather than anchor 4, since the boilerplate sections add no skill-specific value.

3 / 5

Actionability

The body offers only high-level directives ('Search the codebase for similar implementations', 'Ensure DynamicData operators are used instead of plain Rx', 'avoidance of exceptions for flow control') with no code, commands, naming examples, or concrete rules — all specifics are deferred to guide files. This matches anchor 2 ('minimal concrete guidance; high-level hints but missing the specific steps') because it describes rather than instructs.

2 / 5

Workflow Clarity

'Procedure Before Writing Code' lists a recognizable 3-step sequence (search for existing helpers, propose reusable extensions, use DynamicData operators), but steps are high-level with no checkpoints or verification guidance. It sits at anchor 3 ('steps listed but validation gaps') rather than anchor 2, since the steps are defined and coherent for what they are.

3 / 5

Progressive Disclosure

The body is structured as a clean one-level index of five guides with labels, but none of the referenced files (core-technical-skills.md, naming-standards.md, avalonia-reactive-rules.md, zafiro-shortcuts.md, patterns.md) exist in the bundle — there is no references/ directory and no such files anywhere. Scored against the actual bundle structure, every reference is dangling, so navigation leads nowhere and the skill's content is effectively inaccessible. This is below anchor 3 ('references present but not clearly signaled') because the references are well-signaled but broken.

2 / 5

Total

10

/

20

Passed

Description

57%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 correctly identifies a distinctive, low-conflict niche, but it only names the domain and the general nature of the content without concrete capabilities or any 'use when' trigger guidance. Adding explicit trigger conditions and enumerating what the skill actually covers would lift it substantially.

Suggestions

Add an explicit 'Use when...' clause, e.g. 'Use when writing or reviewing Avalonia UI code, ViewModels, or Zafiro toolkit integrations.'

Include natural trigger keywords users would say: MVVM, ReactiveUI, DynamicData, cross-platform .NET UI, C# XAML.

State 1-2 concrete capabilities, e.g. 'Defines naming standards, error-handling rules with Result types, and DynamicData pipeline conventions.'

DimensionReasoningScore

Specificity

The description names the domain clearly ("Avalonia UI development using the Zafiro toolkit") and states what it provides ("skills, conventions, and behavioral rules"), but lists no concrete actions or capabilities. It sits above score 2 ('names the domain but actions are minimal or generic') because it does specify the deliverable type, but below score 4 because no specific actions are enumerated.

3 / 5

Completeness

The 'what' is stated (mandatory conventions and behavioral rules for Avalonia/Zafiro), but there is no 'Use when...' clause or equivalent trigger guidance anywhere in the description. Per the judging guidelines, a missing 'Use when' clause caps completeness at 3 even though the 'what' is clear.

3 / 5

Trigger Term Quality

"Avalonia UI" and "Zafiro toolkit" are natural terms users of this stack would say, but the description omits common variations and synonyms such as MVVM, ReactiveUI, DynamicData, or C#/.NET. It matches anchor 3 ('some relevant keywords but missing common variations or synonyms') rather than anchor 4's 'good keyword coverage'.

3 / 5

Distinctiveness Conflict Risk

The Avalonia + Zafiro combination is a clear niche with distinct triggers; a user mentioning either term almost certainly means this skill. Minimal conflict risk with other skills, matching anchor 5.

5 / 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: 5 missing

Warning

Total

14

/

16

Passed

Repository
boisenoise/skills-collections
Reviewed

Table of Contents

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