Kotlin and Swift

739 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

write-swift

01

emilkowalski/skills

Skill Claude CodeCodex

How to write modern Swift well — modeling with value types, Swift 6 data-race safety and approachable concurrency (@concurrent, main-actor-by-default, actors, task groups), protocols and generics (some vs any), API design, performance and ARC, Swift Testing, macros, and the modern language features agents don't know…

not rated 35k +889 13d ago A 107 tokens original MIT

bitwarden/android

Skill Claude CodeCodex

This skill should be used when implementing Android code in Bitwarden. Covers critical patterns, gotchas, and anti-patterns unique to this codebase. Triggered by "How do I implement a ViewModel?", "Create a new screen", "Add navigation", "Write a repository", "BaseViewModel pattern", "State-Action-Event", "type-safe…

not rated 9.3k 5d ago A 169 tokens GPL-3.0

Arthur-Ficial/apfel

Agent Claude Code

Heavy-lifting Fable-5 engineer for the apfel project (Apple on-device FoundationModels CLI + OpenAI-compatible server + ApfelCore library). Use for any substantial apfel work — fixing GitHub issues, landing/reviewing fixes, Swift-6 concurrency, the OpenAI-compatible HTTP surface, context-window/token-budget logic, the…

not rated 6.3k +4 29d ago A 130 tokens original MIT

swift-testing-pro

04

jacklandrin/OnlySwitch

Skill Claude CodeCodex

Writes, reviews, and improves Swift Testing code using modern APIs and best practices. Use when reading, writing, or reviewing projects that use Swift Testing.

not rated 5.9k +2 4d ago A 34 tokens original MIT

steipete/agent-rules

Cursor rule

Documentation and usage patterns for Swift Argument Parser for command-line tools.

not rated 5.7k +1 4mo ago A 0 tokens original MIT archived

steipete/agent-rules

Cursor rule

Comprehensive guide for migrating from XCTest to Swift Testing with best practices from WWDC 2024.

not rated 5.7k +1 4mo ago A 0 tokens original MIT archived

swift6-migration

07

steipete/agent-rules

Cursor rule

Guide for migrating Swift code to Swift 6 with concurrency and strict checking.

not rated 5.7k +1 4mo ago A 0 tokens original MIT archived

split-jvm-nonjvm

08

JetBrains/koog

Skill Claude CodeCodex ✓ vendor

Splits a class or several classes in the common source set commonMain into JVM and non-JVM parts into jvmCommonMain and nonJvmCommonMain. This is used to provide some JVM-specific functionality for a class on JVM targets (e.g. Kotlin/JVM or Java backend or Android).

not rated 4.6k +12 2d ago A 68 tokens original Apache-2.0

Dimillian/Skills

Skill Claude CodeCodex

Build, refactor, or review macOS menubar apps that use Tuist and SwiftUI. Use when creating or maintaining LSUIElement menubar utilities, defining Tuist targets/manifests, implementing model-client-store-view architecture, adding script-based launch flows, or validating reliable local build/run behavior without…

not rated 3.9k +2 5mo ago A 74 tokens original MIT

Dimillian/Skills

Skill Claude CodeCodex

Scaffold, build, and package SwiftPM-based macOS apps without an Xcode project. Use when you need a from-scratch macOS app layout, SwiftPM targets/resources, a custom .app bundle assembly script, or signing/notarization/appcast steps outside Xcode.

not rated 3.9k +2 5mo ago A 65 tokens original MIT

Dimillian/Skills

Skill Claude CodeCodex

Refactor and review SwiftUI view files with strong defaults for small dedicated subviews, MV-over-MVVM data flow, stable view trees, explicit dependency injection, and correct Observation usage. Use when cleaning up a SwiftUI view, splitting long bodies, removing inline actions or side effects, reducing computed some…

not rated 3.9k +2 5mo ago A 85 tokens original MIT

AvdLee/SwiftUI-Agent-Skill

Instructions file CodexOpenCode

Instructions for AvdLee/SwiftUI-Agent-Skill, covering agent guidelines for swiftui expert skill, core principles, 1. swiftui focus only, 2. no code formatting or linting and 3. no architectural opinions.

not rated 3.5k +9 22d ago A 1,170 tokens original MIT

build-feature

13

signerlabs/ShipSwift

Skill Claude CodeCodex

Build an iOS feature using ShipSwift components. Use when the user says "build", "create", "add a feature", or describes an iOS feature they want to implement.

not rated 3.0k +3 25d ago A 40 tokens original MIT

shipswift

14

signerlabs/ShipSwift

MCP server Claude CodeCodexCursor +2

40+ production-ready SwiftUI recipes for building full-stack iOS apps via MCP. Remote server at api.shipswift.app.

not rated 3.0k +3 25d ago A tokens not measured original MIT

Stop

15

FluidInference/FluidAudio

Hook Claude Code

One of 2 in settings.json

Runs when the agent finishes a response for \.swift$ tool calls, running swift format --in-place --recursive --configuration .swift-f. From FluidInference/FluidAudio.

not rated 2.7k +8 3d ago A tokens not measured original Apache-2.0

keitaoouchi/MarkdownView

Instructions file CodexOpenCode

Instructions for keitaoouchi/MarkdownView, covering agents, technical components, relationships (data/event flow overview), extension points (overview) and platform / distribution.

not rated 2.2k 1mo ago A 722 tokens original MIT

android

17

flyeric0212/cursor-rules

Cursor rule

Coding rules for native Android applications, including Kotlin, Jetpack Compose, and common application architecture patterns. Android is Google’s mobile operating system; Kotlin is a programming language commonly used for it, and Jetpack Compose is a toolkit for building screens.

not rated 1.9k 7mo ago A 1,831 tokens

swift-concurrency

18

AvdLee/Swift-Concurrency-Agent-Skill

Plugin Claude Code

Bundles 1 skill · 56 tokens together

Expert guidance on Swift Concurrency best practices, patterns, and implementation. Covers async/await, actors, tasks, Sendable conformance, data race prevention, and Swift 6 migration strategies.

not rated 1.6k +3 22d ago A tokens not measured original MIT

twostraws/SwiftAgents

Instructions file CodexOpenCode

AGENTS.md instructions for twostraws/SwiftAgents, covering agent guide for swift and swiftui, role, core instructions, swift instructions and swiftui instructions.

not rated 1.4k +1 6mo ago A 1,581 tokens

swift-mlx-lm

20

kellyvv/PhoneClaw

Skill Claude CodeCodex

MLX Swift LM - Run LLMs and VLMs on Apple Silicon using MLX. Covers local inference, streaming, wired memory coordination, tool calling, LoRA fine-tuning, embeddings, and model porting.

not rated 1.2k +4 28d ago A 52 tokens original Apache-2.0

swift-mlx

21

kellyvv/PhoneClaw

Skill Claude CodeCodex

MLX Swift - High-performance ML framework for Apple Silicon with lazy evaluation, automatic differentiation, and unified memory.

not rated 1.2k +4 28d ago A 25 tokens original Apache-2.0

axiom

22

CharlesWiltgen/Axiom

Plugin Claude Code

Bundles 16 commands, 42 agents · 9,164 tokens together

Battle-tested Claude Code skills, agents, and tools for modern xOS (iOS, iPadOS, macOS, watchOS, tvOS) development.

not rated 1.1k +3 6d ago A tokens not measured original MIT

swiftui-backports

23

shaps80/SwiftUIBackports

Skill Claude CodeCodex

Find SwiftUIBackports replacements for SwiftUI APIs unavailable on a project deployment target. Use for Swift/SwiftUI compiler availability errors, old iOS/tvOS/watchOS/macOS targets, or when implementing SwiftUI app features that may benefit from SwiftUIBackports.

not rated 1.1k 2mo ago A 60 tokens original MIT

Kotlin/kotlin-agent-skills

Skill Claude CodeCodex

Migrates Kotlin Multiplatform (KMP) projects to Android Gradle Plugin 9.0+. Handles plugin replacement (com.android.kotlin.multiplatform.library), module splitting, DSL migration, and the new default project structure. Use when upgrading AGP, when build fails due to KMP+AGP incompatibility, or when the user mentions…

not rated 1.0k +7 10d ago A 105 tokens original Apache-2.0

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