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Performance profiling with Instruments and xctrace v1.0.0

Use this resource to profile a macOS or iOS app with Instruments and xctrace

New

  • 523 downloads
  • 223 likes
  • 104 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install xctrace-performance-profiling

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 lists the available templates, records a Time Profiler trace (at launch or attached to a running process) and exports call stacks. It also explains how to pick the correct binary and avoid common pitfalls.

Mostly picked by

Updated November 2, 2026

Card for the “Performance profiling with Instruments and xctrace” skill

Details

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

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What you get

  • SKILL.md: quick start, xctrace arguments and stack export
  • SKILL.md: binary selection, Instruments workflow and verification checklist

Good fit for

  • A macOS app slows down and you need the responsible function
  • You want a repeatable trace of an iOS app

Not for

    Tags

    • instruments
    • xctrace
    • profiling
    • performance
    • ios

    About

    You say

    “Record sixty seconds of Time Profiler during the import, then export the most costly stacks.”

    Card for the “Performance profiling with Instruments and xctrace” skill

    Skill published by steipete 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 profile a macOS or iOS app with Instruments and xctrace
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md3.8 KB

    Origin and licence

    Listed unmodified

    Author
    steipete
    Source
    github.com/steipete/agent-scripts/tree/1159adf26ad007df38b87debb107d3946008d38b/skills/instruments-profiling
    Licence
    MIT

    Notice

    « instruments-profiling » (steipete, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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