swift-concurrency-expert

Review and remediate Swift 6.2+ concurrency issues with actor isolation and Sendable safety.

1|1|Updated Jun 2, 2025

Search Tags:#concurrency #swift #code-review #actor #sendable #swift-6.2

Ready to run

npx skills add https://github.com/BumpyClock/dotfiles --skill swift-concurrency-expert-bumpyclock

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: swift-concurrency-expert
Source: https://github.com/BumpyClock/dotfiles/tree/main/.ai_agents/skills/swift-concurrency-expert
Command: npx skills add https://github.com/BumpyClock/dotfiles --skill swift-concurrency-expert-bumpyclock

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Swift projects often struggle with concurrency correctness and maintainability as they adopt Swift 6.2+ features. This Skill helps identify and remediate concurrency issues, enforce actor isolation, and ensure safer Sendable usage.

Core Features & Use Cases

Review and remediate actor isolation in Swift 6.2+ codebases to prevent data races.
Validate Sendable conformance and isolated conformances to ensure correct cross-thread interactions.
Provide minimal, safe concurrency fixes with clear rationale and references to Swift 6.2 changes.

Quick Start

Analyze a Swift codebase and propose concrete, minimally invasive concurrency fixes that preserve behavior.

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 concurrency data races in a mixed actor context codebase?▼

Review and remediate Swift concurrency data races by applying actor isolation and Sendable safety to mixed actor contexts. This enforces safe cross-thread interactions and prevents data races using modern Swift 6.2 concurrency patterns.

How do I validate Sendable conformance for MainActor-bound UI code?▼

Validate Sendable conformance for MainActor-bound UI code by reviewing isolated conformances to ensure correct cross-thread interactions. This maintains safe concurrency boundaries across background tasks and UI threads in Swift 6.2+ codebases.

Can I refactor background tasks to use Swift 6.2 concurrency without changing behavior?▼

Yes, you can refactor background tasks to use Swift 6.2 concurrency without changing behavior by applying minimal, targeted concurrency fixes. This preserves existing functionality while enforcing actor isolation and Sendable safety across threads.

What is the best way to review Swift 6.2 concurrency issues in an existing project?▼

The best way to review Swift 6.2 concurrency issues is to analyze the codebase for data races, validate Sendable conformance, and propose targeted fixes. This provides clear rationale and references to Swift 6.2 concurrency material for safe refactoring.

Why does my Swift codebase fail Sendable checks when mixing background tasks and UI code?▼

Swift codebases fail Sendable checks when background tasks and MainActor-bound UI code share mutable state without proper isolation. Reviewing and remediating isolated conformances ensures correct cross-thread interactions and resolves these safety violations.