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Swift Testing Pro Skill — Setup Guide

Source: twostraws/swift-testing-agent-skill GitHub: twostraws/swift-testing-agent-skill (407 stars) Skills: 1 skill (swift-testing-pro) · 7.5K installs Category: Testing (Swift) First Seen: Mar 11, 2026 (catalogued August 15, 2026 midday sweep) Quality Tier: 🟢 Production (all three security audits pass; publisher is Paul Hudson of Hacking with Swift)

Swift Testing Pro writes and reviews Swift Testing code for correctness, modern API usage, and project conventions — and reports only genuine problems, without nitpicking. It targets Swift 6.2+ with modern concurrency, covers async tests, confirmations, time limits, actor isolation, networking mocks, and raw identifiers, and provides migration guidance from XCTest.

Installation

npx skills add twostraws/swift-testing-agent-skill --skill swift-testing-pro

Prerequisites

Requirement Details
Node.js + npx For the skill installer
Swift 6.2+ project The skill targets modern Swift concurrency

What It Provides

Capability Notes
Core rules references/core-rules.md for Swift Testing conventions
Better tests references/writing-better-tests.md for structure and assertions
Async testing references/async-tests.md — confirmations, time limits, actor isolation, mocks
New features references/new-features.md — raw identifiers, test scopes, exit tests, attachments
XCTest migration references/migrating-from-xctest.md
Honesty doctrine Report only genuine problems — no invented issues

Quick Start

  1. Install: npx skills add twostraws/swift-testing-agent-skill --skill swift-testing-pro
  2. Ask: "review these Swift tests against Swift Testing conventions and migrate this XCTest file"

CorpusIQ Use Cases

Use Case How
Swift client work Test review and migration for Swift codebases
Test quality standard The no-nitpick doctrine matches our verification standards
Modern API guidance Swift 6.2 concurrency and async testing patterns

Limitations / Verification

  • Swift Testing does not support UI tests — XCTest must be used there
  • Single-skill cluster; all three security audits pass (verified on skill page)
  • Publisher: Paul Hudson (twostraws), 407 GitHub stars
npx skills add twostraws/swift-testing-agent-skill   # verify install works

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