immutable-patterns

Use when reviewing scripts, client components, bundles, or runtime behavior related to Prefer immutable data patterns. Inspect both source code and the browser execution path so fixes target the real bottleneck or bug.

Quality

88%

Does it follow best practices?

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Securityby

Passed

No findings from the security scan

Quality

Content

100%

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

The SKILL.md body is a well-structured, lean overview that delegates full executable examples and verification steps to a single clearly signaled reference file, succeeding across all content dimensions.

Dimension	Reasoning	Score
Conciseness	The body is a lean ~30-line overview that assumes Claude's competence and defers detail to a single reference, with no padded re-explanation of basic concepts.	3 / 3
Actionability	Concrete method names (spread, map/filter/reduce, push/splice) are given inline and the referenced rule.md provides fully executable ✅/❌ code examples and an array-method mapping table.	3 / 3
Workflow Clarity	The body follows a clear Check → Fix → Explain → Code Review sequence and the reference includes explicit numbered verification steps with browser and edge-case validation checkpoints.	3 / 3
Progressive Disclosure	A concise overview is backed by a single, clearly signaled one-level-deep reference (references/rule.md, confirmed present) with no nested references and easy navigation.	3 / 3
	Total	12 / 12 Passed

Description

77%

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 provides explicit when/what guidance and concrete review targets, but its trigger terms lean on the rule title and share generic review scaffolding language with similar frontend-checklist skills.

Suggestions

Add natural user-facing trigger keywords to the description, e.g. "Use when the user mentions immutable data, spread operators, avoiding state mutation, or Redux/Zustand state updates."

Replace the shared "reviewing scripts, client components, bundles, or runtime behavior" template language with triggers specific to immutability to reduce overlap with sibling skills.

Tighten the phrasing so the distinctiveness comes from immutability-specific cues rather than the generic review workflow.

Dimension	Reasoning	Score
Specificity	Lists multiple specific concrete review targets ("reviewing scripts, client components, bundles, or runtime behavior" and "Inspect both source code and the browser execution path") rather than vague language.	3 / 3
Completeness	Opens with an explicit "Use when..." trigger and states what the skill does ("Inspect both source code and the browser execution path so fixes target the real bottleneck or bug"), answering both what and when.	3 / 3
Trigger Term Quality	Includes some relevant keywords ("reviewing scripts", "client components", "runtime behavior") but is anchored to the rule title "Prefer immutable data patterns" and misses natural user variations like "spread", "don't mutate state", or "Redux state mutation".	2 / 3
Distinctiveness Conflict Risk	The rule title gives a clear niche, but the surrounding "review scripts, client components, bundles, or runtime behavior" language is a shared template that could overlap with sibling frontend-review skills.	2 / 3
	Total	10 / 12 Passed

Validation

93%

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 — 15 / 16 Passed

Validation for skill structure

Criteria	Description	Result
metadata_version	'metadata.version' is missing	Warning

	Total	15 / 16 Passed

Repository: thedaviddias/Front-End-Checklist
Path: skills/immutable-patterns/SKILL.md
Commit: 48405aa

Reviewed: about 12 hours ago

Table of Contents

Discovery Implementation Validation

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