Individual skill
swiftui-performance
Profile, diagnose, and remediate SwiftUI runtime performance using code review, Instruments, and repeatable measurements. Use when a SwiftUI screen renders slowly, scrolling or animations hitch, view bodies update excessively, list identity churns, layout work spikes, or broad Observation dependencies raise CPU cost. Covers evidence-based triage, SwiftUI Instruments lanes, lazy-container guardrails, state lifetime, and before/after verification.
skills/swiftui-performance/SKILL.md
Source commit 8d90fd121a263355a4fb44fd082af1416a5c1c2a
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Network or broad shell
- Last checked
- Nov 10, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
Install this skill
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An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.
Repository context
- Repository stars (not skill ratings)
- 1,285
- Repository last updated
- Jul 31, 2026
- License
- NOASSERTION
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- claude-code Repository topic
- ios Repository topic
- swift Repository topic
- swiftui Repository topic
- agent-skills Repository topic
- ai-coding Repository topic
- apple Repository topic
- codex-skills Repository topic
- cursor-skills Repository topic
- ios-development Repository topic
- engineering Derived category
- devops Derived category
- devops-containers Derived category
Files and excerpt
File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.
Browse files
SKILL.mdcore · 11,833 bytesevals/evals.jsonasset · 5,130 bytesreferences/demystify-swiftui-performance-wwdc23.mddoc · 5,567 bytesreferences/optimizing-swiftui-performance-instruments.mddoc · 6,058 bytesreferences/understanding-hangs-in-your-app.mddoc · 6,479 bytesreferences/understanding-improving-swiftui-performance.mddoc · 4,915 bytesreferences/wwdc-session-sources.mddoc · 1,529 bytes
No licensed excerpt is available. You can inspect the pinned source.