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swiftui-performance

100 / 100 · Low risk

Fine to try.

By dpearson2699/swift-ios-skills (GitHub) · coding · 1,282 stars · scanned at commit 8d90fd1

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.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'swiftui-performance' ] || [ -L ~/.agents/skills/'swiftui-performance' ]; then echo 'A skill folder named swiftui-performance already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/dpearson2699/swift-ios-skills' "$d" && git -C "$d" checkout --quiet '8d90fd121a263355a4fb44fd082af1416a5c1c2a' -- 'skills/swiftui-performance' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/swiftui-performance' ~/.agents/skills/'swiftui-performance' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'swiftui-performance' ~/.claude/skills/'swiftui-performance' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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