ios-performance-agent-skills
iOS performance expert skills: app launch, perceived performance, Instruments-driven profiling, SwiftUI rendering, Swift Concurrency, and Swift runtime costs.
Not in a marketplace yet, so it loads for one session with --plugin-dir.
Plugin ios-performance-agent-skills in Livsy90/iOS-Performance-Agent-Skills. Commands read from the repo's manifest — 1 month ago.
What it installs
Skills (6)
ios-launch-performanceUse this skill when diagnosing iOS app launch performance, startup regressions, first-frame readiness, or early responsiveness. Covers pre-main/dyld work, AppDelegate/SceneDelegate, SwiftUI App startup, launch orchestration, SDK initialization, and launch measurement. Do not use for general performa
ios-perceived-performanceUse this skill for product-level iOS responsiveness and loading/feedback flows, including perceived latency, time to first feedback, progressive rendering, loading states, skeletons, placeholders, optimistic updates, rollback behavior, high-stakes actions, UI continuity, and responsiveness validatio
ios-performance-profilingUse this skill when choosing, running, or interpreting iOS performance profiling workflows, including Instruments traces, signposts, XCTest metrics, MetricKit, Xcode Organizer, hangs, hitches, CPU, allocations, memory graphs, disk I/O, networking, power, or production performance signals. Do not use
swift-concurrency-performanceUse this skill when reviewing Swift Concurrency performance and responsiveness, including task explosions, actor hopping, MainActor bottlenecks, cancellation, AsyncSequence cleanup, continuations, reentrancy, executor behavior, blocking async work, or async work that affects UI latency. Do not use i
swift-runtime-performanceUse this skill when reviewing Swift code for runtime-level performance costs, including heap allocation, ARC traffic, stack vs heap storage, closure capture contexts, method dispatch, protocol witness dispatch, existentials vs generics, opaque types, copy-on-write, SIL optimizer output, unsafe memor
swiftui-performanceUse this skill when reviewing or fixing SwiftUI performance issues, including unnecessary invalidation, unstable identity, broad state dependencies, expensive body work, heavy rows, scrolling hitches, layout/drawing cost, or async lifecycle work. Do not use it for general SwiftUI syntax, styling, UI
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