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yt-dlp

Download videos, audio, and transcripts from YouTube and 1000+ sites with yt-dlp. Use when the user mentions "yt-dlp", "youtube-dl", wants to download a video, rip audio from a video, or extract a transcript from a URL.

75

Quality

Does it follow best practices?

Impact

No eval scenarios have been run

SecuritybySnyk

Advisory

Suggest reviewing before use

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 high-quality, actionable skill body: lean executable commands, well-organized sections, and a correctly referenced bundle script. The only gap is the absence of an explicit validation/verification checkpoint in the transcript workflow, which uses a destructive in-place deletion.

Suggestions

Add an explicit verification step to the Transcript workflow before the destructive --in-place run, e.g. confirm the located subtitle file is non-empty (`test -s "$SUB"`) and report the path before stripping, so the flow has a clear checkpoint and could reach a workflow_clarity score of 3.

Consider documenting what to do if `find` returns no subtitle file (e.g. re-run with `--list-subs` to debug) to add an error-recovery feedback loop to the transcript process.

Note that downloads go to `<cwd>/.ai/yt-dlp` only at the top; the per-action commands use the generic `<yt-dlp-download-folder>` placeholder, so a one-line mapping of that placeholder to the default folder would remove a small ambiguity.

DimensionReasoningScore

Conciseness

The body is lean executable commands with minimal padding; explanatory notes (e.g. preferring `en` over `en.*` because YouTube exposes `en`, `en-en`, `en-orig`) are non-obvious yt-dlp quirks Claude does not already know, so they earn their tokens. It is not level 2 because there is no generic concept explanation to trim.

3 / 3

Actionability

Each action provides complete, copy-paste-ready `yt-dlp` invocations with exact flags and output templates (e.g. `-o "%(title)s.%(ext)s"`, `-f "bv*[height<=1080]+ba/b[height<=1080]"`); not level 2 because nothing is pseudocode or missing key details.

3 / 3

Workflow Clarity

The transcript flow is a clearly sequenced 3-step process with a sensible conditional guarding the destructive `--in-place` subtitle deletion, but there is no explicit validation/verification checkpoint or error-recovery feedback loop, so per the rubric this is capped at 2 rather than reaching the level-3 'explicit validation steps' anchor.

2 / 3

Progressive Disclosure

Content is organized into clear sections (Video, Audio, Transcript, Tips) with a single one-level-deep bundle reference to the real `scripts/strip-transcript.mjs` file listed under 'Available Scripts' and cited in context; not level 2 because references are clearly signaled and inline content is appropriately scoped.

3 / 3

Total

11

/

12

Passed

Description

100%

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 tight, well-constructed description: concrete capabilities, natural trigger terms, explicit 'Use when' guidance, and a clear niche. Third-person imperative voice is used correctly.

DimensionReasoningScore

Specificity

"Download videos, audio, and transcripts from YouTube and 1000+ sites" lists multiple concrete actions (download video, rip audio, extract transcript), matching the level-3 anchor; it is not the level-2 'some actions' case because three distinct operations are explicitly enumerated.

3 / 3

Completeness

It states what ("Download videos, audio, and transcripts...") and an explicit "Use when the user mentions..." clause for when, satisfying the level-3 anchor; level 2 would omit the explicit 'Use when' trigger.

3 / 3

Trigger Term Quality

Quotes "yt-dlp", "youtube-dl", "download a video", "rip audio", and "extract a transcript from a URL" — natural terms a user would say, with both the tool name and plain-language variants; not level 2 because common phrasings beyond the tool name are well covered.

3 / 3

Distinctiveness Conflict Risk

The yt-dlp/youtube-dl niche with download/rip/extract triggers is a clear, distinct domain unlikely to fire for unrelated skills; not level 2 because the triggers are specific rather than generic file-handling.

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
shillem/cc-marketplace
Reviewed

Table of Contents

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