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SwiftUI performance audit v1.0.0

Use this resource to diagnose and fix slow SwiftUI app performance

New

  • 369 downloads
  • 119 likes
  • 101 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install swiftui-runtime-performance-audit

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent starts with a code review against known smells, then asks for an Instruments profile when the code alone is not enough. It analyzes the results, proposes fixes and checks their effect.

Mostly picked by

Updated November 2, 2026

Card for the “SwiftUI performance audit” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: six-step workflow from symptom triage to verification
  • references/: code smells, profiling guide and report template

Good fit for

  • A SwiftUI list scrolls in a jerky way
  • The app uses a lot of memory or CPU with no obvious cause in the code

Not for

    Tags

    • swiftui
    • performance
    • instruments
    • rendering

    About

    You say

    “My list scrolls badly on iPhone: run a SwiftUI performance audit and tell me what to profile.”

    Card for the “SwiftUI performance audit” skill

    Skill published by dimillian under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to diagnose and fix slow SwiftUI app performance
    3. Review and adjust the result

    Content preview

    Files

    • agents/openai.yaml0.2 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/code-smells.md3.8 KB
    • references/demystify-swiftui-performance-wwdc23.md1.8 KB
    • references/optimizing-swiftui-performance-instruments.md1.8 KB
    • references/profiling-intake.md1.9 KB
    • references/report-template.md1.2 KB
    • references/understanding-hangs-in-your-app.md1.3 KB
    • references/understanding-improving-swiftui-performance.md2.3 KB
    • SKILL.md5 KB

    Origin and licence

    Listed unmodified

    Author
    dimillian
    Source
    github.com/dimillian/skills/tree/05ba982bfeb0d77d3c97d4542b0ee15034d05f84/swiftui-performance-audit
    Licence
    MIT

    Notice

    « swiftui-performance-audit » (dimillian, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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