Skill comparison

Compare agent skills before installing.

Put high-signal skills side by side and inspect quality, adoption, freshness, install readiness, use-case fit, and warnings in one place.

Comparing 2 skills

Use this as a shortlist, then open the skill detail page before adopting.

Decision summary

Strongest overall

Apple Design

Use this as a leading candidate, then validate the README and install path in your own agent stack.

Fastest prototype

Apple Design

Best first install candidate based on install readiness and adoption.

Freshest repo

swift-testing

Most recent maintenance signal among this shortlist.

Signal	swift-testing WHEN writing, running, or diagnosing Swift Testing suites, including migrating XCTest tests to them and a crashing or non-reporting test target under xcodebuild; NOT for authoring XCTest or XCUITest tests; returns macro-driven test patterns, the XCTest boundary, and the correct way to read xcodebuild results.	Apple Design Apple's approach to interface design and fluid, physical motion, translated for the web. Use when building or reviewing gesture-driven UI, spring animations, drag/swipe/sheet interactions, momentum and interruptible transitions, translucent materials and depth, typography (optical sizing, tracking, leading), reduced-motion, or the design foundations (feedback, spatial consistency, restraint) behind Apple-style interfaces.
Quality	56/100 Promising	100/100 Excellent
Decision verdict	55/100 Needs manual review Do a manual repository review before adding this to an agent workflow.	100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack.
Adoption	29 stars Verified outcomes are shown on each skill page	34K stars Verified outcomes are shown on each skill page
Freshness	Sep 3, 2026	Aug 21, 2026
Use-case fit	Testing and QA Design and creative Coding agents	Design and creative