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Swift 6 concurrency: async, actors and @MainActor v1.0.0

Use this resource to write or fix asynchronous and concurrent Swift code

New

  • 569 downloads
  • 250 likes
  • 234 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install swift-concurrency-actors

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

When you write asynchronous code or see a concurrency error, the agent applies the Swift 6 rules on actors, @MainActor, Sendable and isolation, and helps profile concurrency. It also spots data races in existing code. You get code that follows those rules and an explanation of the error.

Mostly picked by

Updated November 2, 2026

Card for the “Swift 6 concurrency: async, actors and @MainActor” skill

Details

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

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What you get

  • SKILL.md: routing, decision tree and critical patterns
  • skills/swift-concurrency.md: async/await, actors and @MainActor
  • skills/synchronization.md: synchronizing shared access

Good fit for

  • The compiler reports a Sendable error after an update
  • A UI freezes during asynchronous work

Not for

    Tags

    • swift 6
    • concurrency
    • async await
    • actors
    • sendable

    About

    You say

    “Fix the Sendable error on this view model and move it to the main actor.”

    Card for the “Swift 6 concurrency: async, actors and @MainActor” skill

    Skill published by charleswiltgen 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 write or fix asynchronous and concurrent Swift code
    3. Review and adjust the result

    Content preview

    Files

    • agents/openai.yaml0.2 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md11.5 KB
    • skills/assume-isolated.md6 KB
    • skills/concurrency-profiling.md8.2 KB
    • skills/isolation-inheritance-diag.md22.4 KB
    • skills/swift-concurrency-ref.md56.5 KB
    • skills/swift-concurrency.md55.5 KB
    • skills/synchronization.md10.2 KB

    Origin and licence

    Listed unmodified

    Author
    charleswiltgen
    Source
    github.com/charleswiltgen/axiom/tree/8e025d50707116c3cf52c274b5b200213999a927/axiom-codex/skills/axiom-concurrency
    Licence
    MIT

    Notice

    « axiom-concurrency » (charleswiltgen, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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