swift-concurrency-pro

Analyze Swift concurrency code for race conditions and unsafe async/await usage.

Updated Aug 27, 2026

Search Tags:#concurrency #swift #async/await #static-analysis #code-review #actor

Ready to run

npx skills add https://github.com/izo/Ulk --skill swift-concurrency-pro-izo

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: swift-concurrency-pro
Source: https://github.com/izo/Ulk/tree/main/community-skills/swift/swift-concurrency-pro
Command: npx skills add https://github.com/izo/Ulk --skill swift-concurrency-pro-izo

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers identify and fix concurrency issues in Swift code, including race conditions, unsafe actor usage, and misuses of async/await patterns, saving time and improving reliability.

Core Features & Use Cases

Reviews Swift concurrency correctness, modern API usage, and adherence to project conventions.
Analyzes actor isolation, reentrancy risks, and proper cancellation handling across codebases.
Use case: Ideal for code reviews, onboarding new Swift projects, and auditing libraries that heavily use structured concurrency and async streams.

Quick Start

Review the provided Swift source file and return a prioritized set of fixes with rationale.

Frequently Asked Questions about swift-concurrency-pro

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

FAQPage Schema

How do I identify race conditions in Swift async/await code?▼

Identify race conditions in Swift async/await code by analyzing actor isolation boundaries and detecting unsafe concurrency patterns. This process audits reentrancy risks and verifies cancellation checks to eliminate data races.

What is the best way to audit Swift actor isolation for reentrancy risks?▼

The best way to audit Swift actor isolation is by reviewing structured concurrency patterns to detect reentrancy risks. This analysis guides developers toward safe actor boundaries and proper async stream handling.

How do I fix unsafe async/await usage in Swift 6.2?▼

Fix unsafe async/await usage in Swift 6.2 by auditing unstructured concurrency pitfalls and improper sync/async bridging. The analysis returns prioritized fixes to enforce structured concurrency practices.

Can I use this for code reviews of Swift structured concurrency patterns?▼

Yes, you can use this for code reviews of Swift structured concurrency patterns. It analyzes correctness, modern API usage, and project conventions across modules and tests to ensure safe async stream implementation.

How do I verify proper cancellation checks in Swift concurrency?▼

Verify proper cancellation checks in Swift concurrency by reviewing async/await boundaries and unstructured tasks. The analysis identifies missing cancellation handling and guides developers toward safe structured practices.

Why does my Swift unstructured concurrency code cause data races?▼

Swift unstructured concurrency causes data races when async/await boundaries bypass actor isolation. The analysis identifies these unstructured pitfalls and provides prioritized fixes to enforce safe isolation.