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swift-concurrency-expert

Review and remediate Swift Concurrency issues in Swift 6.2+ codebases.

Updated Feb 7, 2026
Search Tags:#code review#sendable#actor isolation#data race#swift 6.2#swift concurrency
One-click install
npx skills add https://github.com/igor-kupczynski/foodbuddy --skill swift-concurrency-expert-igor-kupczynski
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: swift-concurrency-expert
Source: https://github.com/igor-kupczynski/foodbuddy/tree/main/.skv/skills/swift-concurrency-expert
Command: npx skills add https://github.com/igor-kupczynski/foodbuddy --skill swift-concurrency-expert-igor-kupczynski

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses complex Swift Concurrency issues, ensuring code is safe, efficient, and compliant with modern Swift standards, preventing data races and improving application stability.

Core Features & Use Cases

  • Concurrency Review: Analyzes Swift code for potential data races and concurrency violations.
  • Remediation: Applies actor isolation, Sendable safety, and modern concurrency patterns to fix compiler errors and improve code quality.
  • Use Case: A developer is encountering persistent Swift compiler errors related to actor isolation and Sendable conformance in a new feature. They use this Skill to identify the root cause and receive precise code modifications to resolve the issues.

Quick Start

Review the Swift file '/path/to/MyFile.swift' for Swift Concurrency issues and apply necessary fixes.

Frequently Asked Questions about swift-concurrency-expert

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

FAQPage Schema
How do I fix Swift compiler errors related to Sendable conformance and actor isolation?▼

Fix Swift concurrency compiler errors by analyzing project concurrency settings and applying the smallest safe modifications, such as annotating types with @MainActor, protecting global state with actors, or using @concurrent for background work.

What is the best way to resolve data races in a Swift 6.2 codebase?▼

Resolve data races in a Swift 6.2 codebase by reviewing code for concurrency violations and implementing actor isolation and Sendable safety to ensure state is protected and application stability is improved.

How do I apply actor isolation to Swift code with UI-bound and background execution requirements?▼

Apply actor isolation by analyzing actor contexts and UI-bound versus background execution requirements, then implementing precise fixes like @MainActor annotations for UI work and @concurrent for background tasks.

Why does Swift 6.2 strict concurrency require Sendable safety and how is it enforced?▼

Swift 6.2 strict concurrency requires Sendable safety to prevent data races across concurrent contexts, which is enforced by reviewing type annotations and applying modern concurrency patterns to ensure safe data passing.

Can I use modern Swift concurrency patterns to fix existing background task violations without major refactoring?▼

Yes, modern Swift concurrency patterns can fix background task violations with minimal refactoring by identifying the root cause and applying targeted remediations like @concurrent annotations or protecting state with actors.

What are the limitations of applying @MainActor to resolve Swift concurrency warnings?▼

Applying @MainActor resolves concurrency warnings for UI-bound code but can cause performance bottlenecks if used for background execution, requiring analysis of execution requirements to ensure it is the smallest safe fix.

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