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swift-concurrency

Diagnose Swift concurrency issues and migrate callback code to async/await.

Updated Jun 2, 2026
Search Tags:#migration#concurrency#swift#async-await#actors#thread-safety
One-click install
npx skills add https://github.com/PicoMLX/SwiftSQLite --skill swift-concurrency-picomlx
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: swift-concurrency
Source: https://github.com/PicoMLX/SwiftSQLite/tree/main/.agents/skills/swift-concurrency
Command: npx skills add https://github.com/PicoMLX/SwiftSQLite --skill swift-concurrency-picomlx

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill resolves complex Swift concurrency issues, including data races, thread safety violations, and compiler diagnostics, while providing a structured path for migrating legacy callback-based code to modern async/await patterns.

Core Features & Use Cases

  • Diagnostic Resolution: Provides targeted fixes for common Swift 6 concurrency errors like actor-isolation conflicts and Sendable requirements.
  • Migration Guidance: Offers a step-by-step framework for adopting strict concurrency checking and refactoring legacy codebases.
  • Use Case: Use this skill when your project encounters MainActor isolation warnings or when you need to safely refactor a legacy network layer to use structured concurrency without introducing data races.

Quick Start

Ask the swift-concurrency skill to analyze your current file and suggest the smallest safe fix for the specific compiler diagnostic you are seeing.

Frequently Asked Questions about swift-concurrency

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fix Swift 6 data races and Sendable conformance errors?▼

To fix Swift 6 data races and Sendable conformance errors, diagnose actor isolation conflicts and implement Sendable invariants. Targeted fixes resolve compiler diagnostics by enforcing strict thread safety across your codebase.

How do I migrate legacy callback-based code to Swift async/await patterns?▼

Migrating legacy callback-based code to Swift async/await requires a structured step-by-step framework. This approach refactors your network layer safely without introducing data races or breaking existing functionality.

What is the best way to resolve MainActor isolation warnings in Swift?▼

Resolving MainActor isolation warnings involves analyzing task entry isolation and addressing actor reentrancy issues. Architectural guidance ensures your Swift code adheres to strict concurrency checking rules safely.

Does adopting strict concurrency checking in Swift require actor isolation for all types?▼

Adopting strict concurrency checking does not mandate actor isolation for all types, but it requires implementing Sendable invariants for safe data sharing. It targets specific data race risks rather than applying globally.

Why does my Swift async/await migration introduce actor isolation conflicts?▼

Swift async/await migration introduces actor isolation conflicts when task entry isolation is improperly configured. Diagnosing actor reentrancy and adjusting task boundaries resolves these thread safety violations.

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