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Swift Testing Expert

avdlee/swift-testing-agent-skill

This skill helps you write and migrate Swift tests using Apple's modern Swift Testing framework instead of XCTest. It guides you through expect/require macros, parameterized tests, parallel execution, and traits for metadata and filtering. The agent pushes you toward isolated, parallel-safe tests by default and only suggests serialization as a last resort. It's opinionated about incremental migration: convert assertions first, then refactor suites, then add parameterization. Use it when modernizing legacy XCTest suites, debugging flaky tests, or setting up new test targets on Apple platforms or Swift server projects. The verification checklist and routing map keep you from drowning in reference docs.

skills.sh installs
5.5K
GitHub stars
479
last updated
Aug 21, 2026
View on GitHub

Install

$ npx -y skills add avdlee/swift-testing-agent-skill --skill swift-testing-expert --agent claude-code

Installs into .claude/skills of the current project.

Files

Swift Testing

Overview

Use this skill to write, review, migrate, and debug Swift tests with modern Swift Testing APIs. Prioritize readable tests, robust parallel execution, clear diagnostics, and incremental migration from XCTest where needed.

Agent behavior contract (follow these rules)

SKILL.md on GitHub

Sponsors

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Details

Repository
github.com/avdlee/swift-testing-agent-skill
Categories
Backend & APIs, Testing & QA, Documentation, Code Review & Quality, AI & Agent Building, Debugging, Automation & Workflows, Mobile Development

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