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favicon-generator

Generate flat favicons from image prompts, then key out a magenta background and build PNG/ICO/WebP outputs with ImageMagick. Use when you need a reliable favicon workflow.

91

3.57x
Quality

Does it follow best practices?

Impact

100%

3.57x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

SKILL.md
Quality
Evals
Security

Quality

Content

87%

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

A well-structured, actionable skill body with executable commands and good file organization. The main gap is explicit verification checkpoints in the body workflow for the batch conversion step.

Suggestions

Add an explicit verification step after conversion (e.g., confirm the eight expected output files exist and the transparent PNG has no magenta fringe) before moving on to HTML/manifest updates.

Collapse the Prereqs section or reference the frontmatter compatibility field to avoid restating the same ImageMagick/uv/GEMINI_API_KEY requirements.

DimensionReasoningScore

Conciseness

The body is lean, assumes Claude's competence, and avoids explaining what favicons or ImageMagick are; the only minor redundancy is the Prereqs list restating the frontmatter compatibility field.

3 / 3

Actionability

Provides fully executable, copy-paste-ready commands — 'uv run <nanoBananaDir>/scripts/generate_image.py ...', 'bash {baseDir}/scripts/faviconize.sh <input-png> <output-base>' — plus concrete HTML and manifest snippets.

3 / 3

Workflow Clarity

The generate → convert → integrate sequence is clear with a pitfalls feedback loop, but for a batch output operation the verification checkpoints are implicit (delegated to the script) rather than explicitly called out in the body.

2 / 3

Progressive Disclosure

Content is organized into clear sections with the one bundle file (scripts/faviconize.sh, verified to exist) referenced one level deep and appropriately signaled.

3 / 3

Total

11

/

12

Passed

Description

85%

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

A strong, specific description with an explicit trigger clause and a clear niche. Trigger-term coverage could be broader to capture more natural user phrasings.

Suggestions

Add natural trigger variations such as 'app icon', 'site icon', or 'browser tab icon' alongside 'favicon' so the description matches how users actually request the skill.

Soften the technical phrasing ('key out a magenta background') in the trigger context so non-ImageMagick-savvy users still recognize when to invoke it.

DimensionReasoningScore

Specificity

Lists multiple concrete actions — 'Generate flat favicons from image prompts', 'key out a magenta background', and 'build PNG/ICO/WebP outputs with ImageMagick' — matching the multi-action anchor.

3 / 3

Completeness

Answers both what (generate, key out, build outputs) and when via the explicit 'Use when you need a reliable favicon workflow' trigger clause.

3 / 3

Trigger Term Quality

'favicon' is a natural user term, but coverage is thin and leans technical ('key out a magenta background', 'ImageMagick', 'PNG/ICO/WebP') with no common variations like 'app icon' or 'site icon'.

2 / 3

Distinctiveness Conflict Risk

The favicon-specific magenta-key workflow is a clear niche with distinct triggers, unlikely to fire for unrelated skills.

3 / 3

Total

11

/

12

Passed

Validation

100%

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

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
Dicklesworthstone/pi_agent_rust
Reviewed

Table of Contents

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