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image-enhancer

Improves the quality of images, especially screenshots, by enhancing resolution, sharpness, and clarity. Perfect for preparing images for presentations, documentation, or social media posts.

68

1.22x
Quality

64%

Does it follow best practices?

Impact

88%

1.22x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./plugins/all-skills/skills/image-enhancer/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

46%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 well-sectioned but fundamentally descriptive rather than instructional: it shows what the skill does and what users might say, yet gives Claude no tools, commands, or methods to actually enhance an image. Batch processing is advertised without any validation or verification steps, and use-case content is repeated across three sections.

Suggestions

Name the actual tools/commands for each operation (e.g., an upscaler, ImageMagick/PIL sharpening commands) so the guidance is executable rather than descriptive.

Add validation steps for batch operations, such as verifying each output file is readable and preserving originals before overwriting.

Merge 'When to Use This Skill', 'Common Use Cases', and 'Tips' into a single section to remove the triple redundancy.

DimensionReasoningScore

Conciseness

The body is mostly efficient with no explanation of concepts Claude already knows, but it is padded with redundancy: "When to Use This Skill", "Common Use Cases", and "Tips" repeat the same blog/documentation/social-media/presentation scenarios, and the opening line re-states the frontmatter. This matches 'Mostly efficient but includes some unnecessary explanation or could be tightened'; not 2 because there is no conceptual over-explanation, only structural duplication.

3 / 5

Actionability

The only 'concrete' content is example user prompts ("Improve the image quality of screenshot.png") and a mock output transcript; the body never names a tool, command, library, or technique for upscaling, sharpening, or artifact reduction. This matches 'Minimal concrete guidance; high-level hints but missing the specific steps to execute'; not 3 because there is no executable code or command at all, and not 1 because the numbered 'What This Skill Does' steps and example prompts give a process outline.

2 / 5

Workflow Clarity

"What This Skill Does" provides a rough sequence (analyze → upscale → sharpen → reduce artifacts → optimize) but there are no validation checkpoints or commands anywhere, matching 'Steps listed but validation gaps; sequence present but checkpoints missing or implicit'. The skill advertises batch processing ("Can batch process entire folders", "Enhance all images in this folder") with no verification steps, which per the rubric caps workflow clarity at 3; not 4 precisely because validation for batch operations is entirely absent.

3 / 5

Progressive Disclosure

The body has clear section headers and no bundle files exist to reference, so nothing is mis-split; this matches 'Good structure; most content is appropriately placed; minor organization gaps'. Not 5 because the ~95-line body exceeds the simple-skill threshold and contains duplicated use-case sections that should be consolidated or offloaded.

4 / 5

Total

12

/

20

Passed

Description

66%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 is concise, uses third-person voice, and names concrete actions with natural keywords like "screenshots" and "resolution". Its main weaknesses are the missing "Use when..." trigger clause (capping completeness at 3) and absent synonyms/file extensions that users commonly say. Adding an explicit trigger sentence would lift it substantially.

Suggestions

Add an explicit trigger clause, e.g. "Use when the user mentions images, screenshots, upscaling, sharpening, or blurry/compressed images."

Include natural synonyms and file extensions users would say: "upscale", "blurry", "sharpen", ".png", ".jpg".

Mention artifact/noise cleanup explicitly to round out capability coverage.

DimensionReasoningScore

Specificity

"by enhancing resolution, sharpness, and clarity" lists several concrete actions, comparable to the score-4 anchor 'Extracts text from PDF files, fills forms, converts pages to images', though "quality" and "clarity" are semi-vague and coverage gaps exist (no artifact/noise cleanup or upscaling terms that the skill actually performs). Not 5 because the actions cluster around a single quality-improvement theme and miss capabilities the body claims; not 3 because three distinct actions are explicitly named beyond just the domain.

4 / 5

Completeness

The "what" is clear (improves image quality via resolution/sharpness/clarity) but there is no "Use when..." clause; "Perfect for preparing images for..." only weakly implies when, matching 'Has a clear what but when is missing or only weakly implied'. The judging guideline explicitly caps completeness at 3 without a 'Use when...' clause, ruling out 4.

3 / 5

Trigger Term Quality

Includes natural terms users would say — "images", "screenshots", "resolution", "sharpness" — plus use contexts ("presentations, documentation, or social media posts"), matching 'Good keyword coverage; a few natural terms missing'. Not 5 because common synonyms and file extensions are absent: no "upscale", "blurry", "sharpen", ".png", or ".jpg".

4 / 5

Distinctiveness Conflict Risk

"Improves the quality of images, especially screenshots" carves a reasonably distinct image-enhancement niche, comparable to 'Works with PDF and Word document files' at score 4. Not 5 because without explicit trigger phrases it could overlap with general image-editing or screenshot-capture skills; not 3 because the domain and actions are more specific than 'Works with document files'.

4 / 5

Total

15

/

20

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.

Validation — 15 / 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

davepoon/buildwithclaude

Path

plugins/all-skills/skills/image-enhancer/SKILL.md

Reviewed

Table of Contents

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