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SwiftUI performance debugging v1.0.0

Use this resource to diagnose SwiftUI views that stutter or re-render too often

New

  • 464 downloads
  • 132 likes
  • 189 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install swiftui-performance-debugging

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 follows a performance loop: it finds what triggered the update, reviews view identity and lists, then proposes fixes and ways to verify them. You get an explanation of the unnecessary re-renders and the changes that remove them.

Mostly picked by

Updated November 2, 2026

Card for the “SwiftUI performance debugging” skill

Details

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

Similar resources

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What you get

  • SKILL.md: performance loop, decision tree and tools
  • body-reevaluation.md: view body re-evaluation
  • view-identity.md: view identity

Good fit for

  • A view updates even though nothing changed
  • Your list scrolls with stutters

Not for

    Tags

    • performance
    • swiftui
    • rendering
    • instruments

    About

    You say

    “My SwiftUI list stutters when scrolling, find out why it keeps redrawing.”

    Card for the “SwiftUI performance debugging” skill

    Skill published by rshankras 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 SwiftUI views that stutter or re-render too often
    3. Review and adjust the result

    Content preview

    Files

    • body-reevaluation.md11.7 KB
    • common-pitfalls.md13.5 KB
    • lazy-loading.md9.7 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md14.6 KB
    • view-identity.md8 KB

    Origin and licence

    Listed unmodified

    Author
    rshankras
    Source
    github.com/rshankras/claude-code-apple-skills/tree/9ffb83138209057875698dd11c1720c657c47a92/skills/performance/swiftui-debugging
    Licence
    MIT

    Notice

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

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