Qswift-expert

Qswift-expert is a skill for Claude Code, Codex from inho-team/qe-mcp. It costs 99 tokens per session (2,000 once invoked), scanned A, original, MIT.

Guidance for building Apple-platform applications with Swift, Apple's programming language, and SwiftUI, its framework for describing user interfaces. It covers state management, protocols, asynchronous code, actors for protecting shared data, and XCTest testing.

In plain words
What is it for?
Use it to build iPhone, Mac, Apple Watch, or Apple TV apps, create SwiftUI views, design reusable protocols, write async code, and run builds and tests.
Why use it?
It helps handle Swift's type and concurrency rules and catch compile-time, thread-safety, and test problems.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to build iPhone, Mac, Apple Watch, or Apple TV apps, create SwiftUI views, design reusable protocols, write async code, and run builds and tests.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/inho-team/qe-mcp/qswift-expert
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add inho-team/qe-mcp --skill qswift-expert
Clone the repo
git clone --depth 1 https://github.com/inho-team/qe-mcp

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for Qswift-expert

README.md
[![agentmods](https://agentmods.dev/badge/skills/inho-team/qe-mcp/qswift-expert/github.svg)](https://agentmods.dev/skills/inho-team/qe-mcp/qswift-expert)
Your own site
<a href="https://agentmods.dev/skills/inho-team/qe-mcp/qswift-expert"><img src="https://agentmods.dev/badge/skills/inho-team/qe-mcp/qswift-expert/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for Qswift-expert

Your own site · 80×15
<a href="https://agentmods.dev/skills/inho-team/qe-mcp/qswift-expert"><img src="https://agentmods.dev/badge/skills/inho-team/qe-mcp/qswift-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 99 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,000 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00099 $0.02000
Opus 5 $0.00049 $0.01000
Sonnet 5 $0.00020 $0.00400
Haiku 4.5 $0.00010 $0.00200

Measured 11d ago against content hash 0b361caef672, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

Qswift-expert scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

func fetch(id: T.ID) async throws -> T
expert-library/packs/core-experts/skills/Qswift-expert/SKILL.md · 255 lines

How it starts

The opening of the file, as written. The whole thing — 255 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Swift Expert

Core Workflow

  1. Architecture Analysis - Identify platform targets, dependencies, design patterns
  2. Design Protocols - Create protocol-first APIs with associated types
  3. Implement - Write type-safe code with async/await and value semantics
  4. Optimize - Profile with Instruments, ensure thread safety
  5. Test - Write comprehensive tests with XCTest and async patterns

Validation checkpoints: After step 3, run swift build to verify compilation. After step 4, run swift build -warnings-as-errors to surface actor isolation and Sendable warnings. After step 5, run swift test and confirm all async tests pass.

Reference Guide

Load detailed guidance based on context:

Topic Reference Load When
SwiftUI references/swiftui-patterns.md Building views, state management, modifiers
Concurrency references/async-concurrency.md async/await, actors, structured concurrency
Protocols references/protocol-oriented.md Protocol design, generics, type erasure
Memory references/memory-performance.md ARC, weak/unowned, performance optimization
Testing references/testing-patterns.md XCTest, async tests, mocking strategies

Code Patterns

1. Struct + Protocol Conformance (Basic)

/// A protocol defining repository behavior for generic entity types.
protocol DataRepository<T> {
    /// The entity type this repository manages.
    associatedtype T: Identifiable
    
    /// Fetches an entity by its identifier.
    /// - Parameters:
    ///   - id: The unique identifier of the entity.
    /// - Returns: The fetched entity.
    /// - Throws: `RepositoryError` if fetch fails.
    func fetch(id: T.ID) async throws -> T
}

/// A concrete repository implementation for User entities.
struct UserRepository: DataRepository {
    typealias T = User
    
    func fetch(id: UUID) async throws -> User {
        // Implementation with proper error handling
        return User(id: id, name: "John")
    }
}

Read the full file on GitHub · 255 lines

Files

What ships with it

5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 255 lines · 99 tokens per session scan A 0b361caef672

Subscribe to this mod's changes

Qswift-expert is a skill published in the GitHub repository inho-team/qe-mcp (0 stars, last pushed 2mo ago), licensed MIT. It adds 99 tokens to every session and 2,000 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-01.

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