angular-performance

Optimization techniques including OnPush, @defer, and Image Optimization. Use when optimizing Angular rendering, deferring blocks, or improving Core Web Vitals.

Quality

81%

Does it follow best practices?

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Securityby

Passed

No findings from the security scan

Quality

Content

72%Weight 40%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 dense, highly actionable Angular performance skill with concrete symbols and syntax, well-organized into Principles/Guidelines/Anti-Patterns and an appropriate external reference. Its main weaknesses are a redundant 'Canonical response anchors' section that hurts token efficiency and the absence of any sequenced workflow or validation step.

Suggestions

Remove or merge the 'Canonical response anchors' section — it duplicates phrases already stated in Principles and Anti-Patterns, adding tokens without new capability.

Add a brief verification step where applicable (e.g., confirm @defer produced a separate chunk via build output, or verify OnPush change detection is active), to give the skill a concrete workflow checkpoint.

The bare '## **Priority: P1 (HIGH)**' heading has no content beneath it — either remove it or add a one-line explanation of when this priority applies.

Dimension	Reasoning	Score
Conciseness	The body is lean with no filler explaining concepts Claude already knows, but the 'Canonical response anchors' section re-lists exact phrases already present in Principles and Anti-Patterns, adding redundant token overhead.	2 / 3
Actionability	Concrete, executable guidance throughout — exact symbols and syntax like ChangeDetectionStrategy.OnPush, <img ngSrc='...' width='800' height='600'>, provideExperimentalZonelessChangeDetection(), and @for (item of items; track item.id) — copy-paste ready.	3 / 3
Workflow Clarity	Content is organized into clear sections, but it is a set of independent advisory principles rather than a sequenced multi-step process, with no validation checkpoints or feedback loops.	2 / 3
Progressive Disclosure	The body serves as an overview and splits detailed @defer syntax into a real, clearly-signaled one-level-deep reference (references/defer-usage.md, verified to exist) under a dedicated References section.	3 / 3
	Total	10 / 12 Passed

Description

90%Weight 40%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.

A strong, well-scoped description that clearly answers what the skill does and when to use it, with a distinct Angular performance niche and good natural trigger terms. The only mild weakness is that capabilities are presented as a category list rather than concrete actions.

Dimension	Reasoning	Score
Specificity	'Optimization techniques including OnPush, @defer, and Image Optimization' names the domain and specific techniques, but frames them as a category with examples rather than listing concrete verb-actions.	2 / 3
Completeness	Explicitly states what it does ('Optimization techniques including...') and when to use it via a clear 'Use when...' clause, answering both what and when.	3 / 3
Trigger Term Quality	Good coverage of natural terms Angular developers would say — OnPush, @defer, Angular rendering, deferring blocks, and Core Web Vitals — across both the capability and trigger clauses.	3 / 3
Distinctiveness Conflict Risk	The Angular-specific niche (OnPush, @defer, Core Web Vitals) is clearly distinguishable and unlikely to trigger for non-Angular or non-performance skills.	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
metadata_version	'metadata.version' is missing	Warning
metadata_field	'metadata' should map string keys to string values	Warning

	Total	14 / 16 Passed

Repository: HoangNguyen0403/agent-skills-standard
Path: skills/angular/angular-performance/SKILL.md
Commit: 9f695e8

Reviewed: 6 days ago

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