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feature-flags

Use when: implementing, creating, testing, or debugging feature flags in Primer React. Covers useFeatureFlag hook, FeatureFlags provider, DefaultFeatureFlags, FeatureFlagScope, Storybook integration, and the feature flag lifecycle at GitHub.

72

Quality

87%

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SKILL.md
Quality
Evals
Security

Quality

Content

82%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.

A highly actionable, well-structured skill body with executable examples and clear workflows. It stays concise and appropriately scoped, with only minor trimming and checkpoint improvements possible.

Suggestions

Trim the opening paragraph ("Feature flags provide a way to incrementally build...") since it restates context Claude already knows.

Add an explicit validation checkpoint in the lifecycle or testing section (e.g., verify tests pass for both enabled and disabled states before shipping) to strengthen the workflow.

Consider moving the FeatureFlags Provider Internals detail into a short reference note or collapsing it, since it adds length beyond the core usage flow.

DimensionReasoningScore

Conciseness

Mostly efficient with a useful file table, code examples, and a numbered lifecycle, but the opening paragraph and a few connective sentences are non-essential and could be trimmed.

4 / 5

Actionability

Provides copy-paste-ready, executable code throughout (useFeatureFlag usage, DefaultFeatureFlags registration, test provider wrapping, real codebase examples) with specific flag names and file paths covering common cases.

5 / 5

Workflow Clarity

Clear, well-sequenced lifecycle (Create→Implement→Test→Ship→Enable→Remove) and a 3-step usage guide, with only minor validation gaps; no explicit validate→fix→retry feedback loop, though the operations are not destructive/batch.

4 / 5

Progressive Disclosure

Well-organized sections and no external reference files (none needed at this size); the Current Feature Flags section correctly points to the codebase file rather than inlining a list, with only minor organization gaps.

4 / 5

Total

17

/

20

Passed

Description

92%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.

A strong, well-scoped description that explicitly states both the trigger conditions and the concrete capabilities covered. Minor room to broaden trigger synonyms, but it clearly distinguishes the skill and answers what/when.

DimensionReasoningScore

Specificity

Lists multiple concrete actions ("implementing, creating, testing, or debugging feature flags") alongside specific named capabilities (useFeatureFlag hook, FeatureFlags provider, DefaultFeatureFlags, FeatureFlagScope, Storybook integration, lifecycle), giving comprehensive coverage.

5 / 5

Completeness

Explicitly answers both what (named capabilities) and when (an explicit "Use when:" clause with concrete triggers), matching the top anchor.

5 / 5

Trigger Term Quality

Natural trigger phrases like "implementing, creating, testing, or debugging feature flags" map well to what users would say, though it omits common synonyms/variations such as "rolling out" or "toggling" a flag.

4 / 5

Distinctiveness Conflict Risk

Scoped tightly to "feature flags in Primer React," a clear niche with distinct triggers and minimal overlap with other skills.

5 / 5

Total

19

/

20

Passed

Validation

100%

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

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
primer/react
Reviewed

Table of Contents

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