klingai-video-extension

Extend video duration using Kling AI continuation. Use when creating longer videos from shorter clips or building sequences. Trigger with phrases like 'klingai extend video', 'kling ai video continuation', 'klingai longer video', 'extend klingai clip'.

Quality

91%

Does it follow best practices?

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Securityby

Passed

No known issues

Quality

Content

92%

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

A highly actionable, concise code skill with clear sequenced workflows and status-check feedback loops. Its main weakness is progressive disclosure: five reference bundle files ship alongside the skill but are never referenced from the body, leaving them orphaned while overlapping content stays inline.

Suggestions

Link the existing reference files from the body (e.g., add a '## Advanced' section pointing to video-extension-implementation.md, video-concatenation.md, and seamless-loop-creation.md) so the bundle is discoverable one level deep.

Move the inline 'Error Handling' table into references/errors.md (or vice versa) to avoid duplicating error guidance in two places, and point to it from the body.

Replace or remove references/examples.md, which currently only says 'See code examples above' and adds no navigational value.

Dimension	Reasoning	Score
Conciseness	The body is lean prose plus executable code with no explanations of concepts Claude already knows; tables and code earn their tokens. It is not level 2 because there is no unnecessary explanatory padding, only minor boilerplate overlap between examples.	3 / 3
Actionability	Provides complete, copy-paste-ready Python with real auth/header setup, a parameter table, and working poll loops — matching the level-3 anchor for fully executable, specific examples.	3 / 3
Workflow Clarity	Sequences the multi-step flow with numbered 'Step 1/2/3' and explicit status-check feedback loops (break on 'succeed', raise/print on 'failed') in both the basic and chaining examples, including per-iteration validation in the batch chain.	3 / 3
Progressive Disclosure	Bundle files exist (errors.md, examples.md, seamless-loop-creation.md, video-concatenation.md, video-extension-implementation.md) but the body never links to them — only external URLs are signaled — and inline content (errors, full implementation) overlaps the orphaned references. This fits the level-2 anchor of references present but not signaled and content that should be separate kept inline, not level 3 (no one-level-deep navigation) and not level 1 (body is well-sectioned, not a monolithic wall).	2 / 3
	Total	11 / 12 Passed

Description

90%

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, third-person description with explicit 'Use when' trigger guidance and good natural trigger-phrase coverage. Its only weakness is that the named actions are all variations of a single capability rather than a comprehensive list of distinct actions.

Dimension	Reasoning	Score
Specificity	Quotes 'Extend video duration using Kling AI continuation' and 'creating longer videos from shorter clips or building sequences' — it names the domain and a few actions, but they are all variants of one capability rather than multiple distinct concrete actions like the level-3 anchor.	2 / 3
Completeness	Explicitly answers both what ('Extend video duration using Kling AI continuation') and when ('Use when creating longer videos from shorter clips or building sequences. Trigger with phrases like...'), satisfying the level-3 anchor for an explicit 'Use when' clause.	3 / 3
Trigger Term Quality	Quotes natural trigger phrases users would say: 'klingai extend video', 'kling ai video continuation', 'klingai longer video', 'extend klingai clip', matching the level-3 anchor's good coverage of natural terms.	3 / 3
Distinctiveness Conflict Risk	The branded Kling AI niche and klingai-prefixed trigger phrases make it clearly distinguishable and unlikely to fire for unrelated skills, matching the level-3 clear-niche anchor.	3 / 3
	Total	11 / 12 Passed

Validation

87%

Warnings & errors only

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

Validation — 14 / 16 Passed

Validation for skill structure

Criteria	Description	Result
allowed_tools_field	'allowed-tools' contains unusual tool name(s)	Warning
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	14 / 16 Passed

Repository: jeremylongshore/claude-code-plugins-plus-skills
Path: plugins/saas-packs/klingai-pack/skills/klingai-video-extension/SKILL.md
Commit: b2e8c53

Reviewed: 5 days ago

Table of Contents

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