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Guide to the xctrace CLI for Instruments v1.0.0

Use this resource to profile an Apple app and read its Instruments traces from the terminal

New

  • 562 downloads
  • 140 likes
  • 179 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install xctrace-profiling-cli-guide

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 reads the xctrace reference first, then the guides that fit the task: slowness, CPU or memory use, UI hangs. You get capture commands and a guided reading of the traces.

Mostly picked by

Updated November 2, 2026

Card for the “Guide to the xctrace CLI for Instruments” skill

Details

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

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What you get

  • references/xctrace-overview.md: commands, trace structure and reading tracks
  • references/xctrace-hangs-triage.md: diagnosing app hangs

Good fit for

  • Your Apple app uses too much CPU or memory
  • You want to measure the effect of a code optimisation

Not for

    Tags

    • xctrace
    • instruments
    • performance
    • profiling
    • apple

    About

    You say

    “Capture a Time Profiler trace of my app while it shows the list, then explain the most costly areas.”

    Card for the “Guide to the xctrace CLI for Instruments” skill

    Skill published by tartinerlabs 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 an Apple app and read its Instruments traces from the terminal
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/xctrace-hangs-triage.md2.5 KB
    • references/xctrace-overview.md17.5 KB
    • SKILL.md1.5 KB

    Origin and licence

    Listed unmodified

    Author
    tartinerlabs
    Source
    github.com/tartinerlabs/skills/tree/3a2b1ba97c4f599f5b5ab76c5a2d7914ce9b24b1/xcode-skills/xctrace
    Licence
    MIT

    Notice

    « xctrace » (tartinerlabs, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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