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baoyu-compress-image

Compresses images to WebP (default) or PNG with automatic tool selection. Use when user asks to "compress image", "optimize image", "convert to webp", or reduce image file size.

66

Quality

82%

Does it follow best practices?

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SecuritybySnyk

The risk profile of this skill

SKILL.md
Quality
Evals
Security

Quality

Content

64%Scale 1-3

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

A solid, practical skill that provides clear CLI usage with good examples and a well-organized options table. Main weaknesses are minor redundancy (Extension Support section duplicates Preferences), the somewhat complex variable resolution instructions that could be streamlined, and missing verification/error handling guidance for the compression workflow.

Suggestions

Remove the redundant 'Extension Support' section at the bottom — it just restates the Preferences section without adding value.

Add a brief verification step or error handling note (e.g., what to check if compression fails, or how to verify output integrity).

Streamline the BUN_X resolution instructions into a more concise decision tree or single-line conditional.

DimensionReasoningScore

Conciseness

Mostly efficient with good use of tables, but includes some redundancy — the 'Extension Support' section at the end just restates what was already covered in the Preferences section. The script directory resolution instructions are a bit verbose with the BUN_X explanation.

2 / 3

Actionability

Provides fully executable CLI commands with clear options table, concrete examples covering common use cases (single file, directory, format selection, JSON output), and shows expected output format. Copy-paste ready once variables are resolved.

3 / 3

Workflow Clarity

This is essentially a single-command tool, so multi-step workflow isn't heavily needed. However, the variable resolution process (resolving {baseDir} and ${BUN_X}) is a prerequisite workflow that lacks explicit validation — there's no guidance on what to do if bun/npx aren't available beyond 'suggest installing bun', and no verification step after compression to confirm success.

2 / 3

Progressive Disclosure

References EXTEND.md with clear priority paths and mentions scripts/main.ts, but no bundle files were provided to verify these references. The content is reasonably structured with sections, but the EXTEND.md explanation is split across two sections (Preferences and Extension Support) which fragments the information unnecessarily.

2 / 3

Total

9

/

12

Passed

Description

100%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.

This is a strong skill description that concisely covers what the skill does, when to use it, and includes natural trigger terms users would say. It uses proper third-person voice, specifies concrete output formats, and provides an explicit 'Use when' clause with multiple trigger variations.

DimensionReasoningScore

Specificity

Lists specific concrete actions: compresses images, converts to WebP or PNG, automatic tool selection. These are clear, actionable capabilities.

3 / 3

Completeness

Clearly answers both what ('Compresses images to WebP or PNG with automatic tool selection') and when ('Use when user asks to compress image, optimize image, convert to webp, or reduce image file size').

3 / 3

Trigger Term Quality

Includes natural trigger terms users would actually say: 'compress image', 'optimize image', 'convert to webp', 'reduce image file size'. Good coverage of common variations.

3 / 3

Distinctiveness Conflict Risk

Clearly scoped to image compression/optimization with specific format mentions (WebP, PNG). Unlikely to conflict with general image editing or other file processing skills.

3 / 3

Total

12

/

12

Passed

Validation

72%

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

Validation8 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_version

'metadata.version' is missing

Warning

metadata_field

'metadata' should map string keys to string values

Warning

frontmatter_unknown_keys

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

Warning

Total

8

/

11

Passed

Repository
jimliu/baoyu-skills
Reviewed

Table of Contents

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