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arn-spark-visual-sketch

This skill should be used when the user says "visual sketch", "arn visual sketch", "sketch directions", "explore visuals", "visual proposals", "try different looks", "design directions", "sketch the UI", "visual exploration", "compare styles", "show me options", "what could this look like", or wants to generate multiple visual direction proposals as real HTML/CSS running on the scaffolded project's dev server, iteratively selecting and refining until a final visual direction is chosen.

74

Quality

92%

Does it follow best practices?

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SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security

Quality

Content

85%Weight 40%Scale 1-3

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

The content is a well-structured, highly actionable multi-step workflow with strong progressive disclosure pointing to real reference files. Its only weakness is conciseness: scripted dialogue and partially duplicated guide/error sections could be trimmed.

Suggestions

Consolidate the Agent Invocation Guide and Error Handling sections, which repeat cases already covered inline in the workflow steps, to reduce duplication.

Tighten the scripted user-facing prompt text (e.g., Steps 2, 3, 4, 7) to the essential phrasing rather than full quoted dialogue.

Move any extended route-structure or per-framework scaffolding detail into the sketch-gallery-guide reference to keep the SKILL.md body a leaner overview.

DimensionReasoningScore

Conciseness

The body is mostly operational (paths, route diagrams, agent params, commands) and avoids explaining known concepts, but scripted user-prompt text and the Agent Invocation Guide / Error Handling sections partly duplicate the workflow steps and could be tightened.

2 / 3

Actionability

Provides fully executable guidance — per-framework directory structures, exact file names, agent dispatch parameters, and a copy-paste Playwright install command — leaving no ambiguity about what to do.

3 / 3

Workflow Clarity

A clearly sequenced 9-step workflow with explicit prerequisites checks and validation checkpoints (build verification, per-agent failure handling, manifest reads, route cleanup, dev-server stop condition).

3 / 3

Progressive Disclosure

The overview body signals three real one-level-deep references (aesthetic-philosophy.md, sketch-gallery-guide.md, visual-direction-template.md), all confirmed present in ./references/, each invoked at the appropriate step with a clear Read directive.

3 / 3

Total

11

/

12

Passed

Description

100%Weight 40%Scale 1-3

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 is exemplary: it states concrete capabilities, gives an extensive list of natural trigger phrases, and explicitly pairs what-and-when guidance. It is well-distinguished from other pipeline skills by its specific triggers and narrow purpose.

DimensionReasoningScore

Specificity

Lists multiple concrete actions — generate visual direction proposals as real HTML/CSS running on the scaffolded project's dev server, iteratively selecting and refining — matching the anchor for multiple specific concrete actions.

3 / 3

Completeness

Explicitly answers both what it does (generate/refine visual direction proposals as real HTML/CSS on the dev server) and when to use it (an explicit 'should be used when the user says...' trigger clause).

3 / 3

Trigger Term Quality

Provides a rich set of natural phrases users would say ('visual sketch', 'explore visuals', 'try different looks', 'show me options', 'what could this look like'), giving strong coverage of natural trigger terms.

3 / 3

Distinctiveness Conflict Risk

Occupies a clear niche (visual sketch proposals in the Arness Spark pipeline) anchored by distinctive trigger phrases, making it unlikely to trigger for unrelated skills.

3 / 3

Total

12

/

12

Passed

Validation

93%

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

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

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

Warning

Total

15

/

16

Passed

Repository
AppsVortex/arness
Reviewed

Table of Contents

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