Composable Architecture

Helps you build iOS apps with TCA (The Composable Architecture) from Point-Free. Covers the full stack: setting up reducers with the @Reducer macro, managing state and effects, wiring up views with @Bindable and store scoping, handling navigation stacks and presentation, and writing thorough tests with TestStore. The reference guide is comprehensive, with separate docs for basics, advanced patterns, and testing utilities. The common mistakes section is honest about real pitfalls like over-modularizing features and forgetting effect cancellation. If you're already using TCA or evaluating it, this gives you patterns and guardrails without having to dig through the library docs constantly.

skills.sh installs: 222
GitHub stars: 233
last updated: Aug 21, 2026

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Install

$ npx -y skills add johnrogers/claude-swift-engineering --skill composable-architecture --agent claude-code

Installs into .claude/skills of the current project.

Files

The Composable Architecture (TCA)

TCA provides architecture for building complex, testable features through composable reducers, centralized state management, and side effect handling. The core principle: predictable state evolution with clear dependencies and testable effects.

Reference Loading Guide

ALWAYS load reference files if there is even a small chance the content may be required. It's better to have the context than to miss a pattern or make a mistake.

SKILL.md on GitHub

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