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swift-concurrency-pro

Analyze Swift async/await and actor code for concurrency safety gaps.

Updated Feb 22, 2026
Search Tags:#concurrency#swift#review#best-practices#async-await#actor#structured-concurrency
One-click install
npx skills add https://github.com/pyronaur/ngents --skill swift-concurrency-pro-pyronaur
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: swift-concurrency-pro
Source: https://github.com/pyronaur/ngents/tree/main/docs/topics/apple/skills/swift-concurrency-pro
Command: npx skills add https://github.com/pyronaur/ngents --skill swift-concurrency-pro-pyronaur

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Swift concurrency code often suffers from subtle race conditions, incorrect actor isolation, and misuse of async/await patterns. This Skill provides a structured framework to review and improve Swift concurrency codebases for safety and correctness.

Core Features & Use Cases

  • Guided reviews: check for actor reentrancy, structured concurrency usage, and cancellation handling.
  • Conformance to Swift 6.2: enforce modern features like task groups and async usage.
  • Cross-language patterns: bridges between legacy APIs and Swift concurrency.
  • Use Case: auditors reviewing a module that heavily uses actors and asynchronous APIs to ensure no data races.

Quick Start

Read and apply Swift concurrency best-practices to a sample codebase; begin by running a guided pass on a representative actor-based module.

Frequently Asked Questions about swift-concurrency-pro

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

FAQPage Schema
How do I review Swift concurrency code for actor reentrancy and data races?▼

Review Swift concurrency code by running a guided audit that checks actor reentrancy, structured concurrency usage, and cancellation handling. This enforces modern async/await best practices to ensure safe multi-target execution.

What is structured concurrency in Swift and how does it affect async/await safety?▼

Structured concurrency in Swift manages async/await tasks within scoped task groups to ensure safe execution. Analyzing these patterns highlights actor isolation correctness gaps and prevents data races across modules.

How do I bridge legacy APIs to Swift concurrency patterns safely?▼

Bridge legacy APIs to Swift concurrency by analyzing cross-language patterns and transitioning to async APIs. This enforces modern Swift 6.2 guidelines while identifying safety gaps in the bridging process.

Does this Swift concurrency audit support multi-target projects with heavy async usage?▼

Yes, this Swift concurrency audit supports multi-target projects with heavy async usage. It analyzes actor isolation and structured concurrency patterns to highlight safety gaps across diverse codebases.

What are the limitations of auditing Swift concurrency without structured task groups?▼

Auditing Swift concurrency without structured task groups risks missing cancellation handling and actor reentrancy issues. Without structured concurrency, async/await patterns may hide subtle data races and correctness gaps.

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