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pixelbin-media

Generate and edit images and videos with an 85+ API portfolio and build visually appealing website pages via Pixelbin.

46

Quality

57%

Does it follow best practices?

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SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./skills/pixelbin-media/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

47%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 a lean, well-sectioned catalogue stub that repeats the description and points to the upstream repo, but it provides almost no executable guidance: the install step is undefined and the single command is a non-portable URL-open that accomplishes nothing. Workflow sequencing is rough at best, with no validation that the bundle was installed before invocation.

Suggestions

Replace the placeholder bash block with a concrete, portable install step (e.g., a git clone or copy command with actual destination paths for common agent skills directories), or state explicitly that the agent should fetch the upstream repo and follow its README step by step.

Add a verification checkpoint, e.g., confirm the skill directory now contains the upstream SKILL.md and its assets/scripts/references before attempting to invoke it.

Drop the 'What it does' section (it duplicates the frontmatter description verbatim) or expand it with the actual first action the agent should take.

DimensionReasoningScore

Conciseness

The body is short (under 50 lines) with no concept-explaining padding, but the 'What it does' section repeats the frontmatter description verbatim and the bash block is filler. Matches anchor 4 (efficient with minor instances that could be trimmed); not 5 because of the redundant description repetition.

4 / 5

Actionability

The only command is 'open https://github.com/pixelbin-dev/skills', which is a non-portable shell nicety that performs none of the actual work, and 'install the upstream bundle into your active agent's skills directory' provides no concrete install steps, commands, or paths. Matches anchor 2 (minimal concrete guidance, missing the specific steps to execute); not 1 because a concrete URL and named invocation phrases are given.

2 / 5

Workflow Clarity

A rough sequence is present (inspect upstream README, install the bundle, invoke by name or trigger) but the critical step is undefined and there is no verification that installation succeeded before invocation. Matches anchor 2 (rough sequence present but many gaps, steps poorly defined); not 3 because the key step gives no checkable actions at all.

2 / 5

Progressive Disclosure

No bundle files exist locally (references/, scripts/, assets/ are absent), and the body is short with clear sections (What it does / Source / How to use) and a clearly signaled, one-level-deep pointer to the upstream repo. Matches anchor 4 (good structure, references mostly clear, minor organization gaps); not 5 because the real content lives behind an external URL the agent cannot read as a bundled file.

4 / 5

Total

12

/

20

Passed

Description

50%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 states a clear 'what' with a few concrete verbs but is padded with portfolio-size and aesthetic marketing language, names no specific operations, and omits any 'when to use' guidance. Trigger terms are relevant but sparse, and the broad image/video category leaves moderate conflict risk with other media skills.

Suggestions

Add an explicit trigger clause, e.g., 'Use when the user mentions Pixelbin, image or video transformation/optimization, media CDN delivery, or building media-rich web pages.'

Replace '85+ API portfolio' and 'visually appealing' with named concrete capabilities, e.g., 'Resize, watermark, compress, and format-convert images; transcode, trim, and add overlays to videos; deliver assets via Pixelbin's CDN URLs.'

Include natural synonyms users would actually say (photos, media, optimize/compress images, .mp4, .webp) to sharpen trigger matching.

DimensionReasoningScore

Specificity

Concrete verbs are present ('Generate and edit images and videos', 'build ... website pages') but no specific operations are named (e.g., resize, watermark, transcode), and '85+ API portfolio' and 'visually appealing' are marketing padding rather than concrete actions. Matches anchor 3 (domain plus 1-2 concrete actions, not comprehensive); not 4 because it enumerates no specific operations.

3 / 5

Completeness

The 'what' is stated clearly (generate/edit images and videos, build website pages via Pixelbin), but there is no 'Use when...' clause or equivalent explicit trigger guidance in the description, which caps completeness at 3 per the rubric guidelines. It is not 4 because 'when' is entirely absent, not merely implicit.

3 / 5

Trigger Term Quality

Natural terms 'images', 'videos', and 'website pages' appear, but common user phrasings like 'photos', 'media', 'optimize images', or file extensions are absent. Matches anchor 3 (some relevant keywords, missing common variations or synonyms); not 4 because coverage is thin, not just missing a few terms.

3 / 5

Distinctiveness Conflict Risk

Image/video generation and website building is a crowded category with high overlap risk against generic image-generation skills; the only distinguishing token is the brand name 'Pixelbin'. Matches anchor 3 (somewhat specific but could overlap with similar skills); not 4 because the stated capability category itself is broad.

3 / 5

Total

12

/

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

nexu-io/open-design

Path

skills/pixelbin-media/SKILL.md

Reviewed

Table of Contents

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