Developer Tools & Repos Agent Skills

macOS SwiftUI-AppKit bridges: implement NSViewRepresentable, NSViewControllerRepresentable, NSWindow, panels, responder chains, or menus…

macOS app runtimes: build, launch, and debug Xcode or SwiftPM GUI/CLI targets with shell-first workflows; diagnose compiler, linker…

macOS SwiftPM packages: build, run, and test package-first repositories and executables when `Package.swift` is primary or no Xcode…

macOS SwiftUI scenes: build or refactor windows, commands, toolbars, settings, split views, inspectors, menu bar extras, keyboard flows…

macOS SwiftUI view structure: refactor oversized scenes into subviews, explicit roots, scoped state, command/toolbar ownership, and narrow…

macOS 15+ SwiftUI windows: customize toolbar/title chrome, drag regions, materials, minimize/restoration, placement, launch behavior, and…

Guides agents through integrating transactional email sending via Mailtrap's Email API, including sandbox testing, domain verification…

Zod 4 schema validation patterns. Trigger: When creating or updating Zod v4 schemas for validation/parsing (forms, request payloads…

Improve code readability through formatting and structure enhancements

CRITICAL: Use for Makepad 2.0 theme system.

Full deprecation lifecycle for APIs, features, or internal code — Hyrum's Law analysis, deprecation notices, migration path design, and…

Analyze changes and create meaningful conventional commits with pre-commit quality checks

Expert coding skill for the full MapTiler platform — Cloud REST APIs, MapTiler SDK JS (built on MapLibre GL JS), native mobile SDKs…

Produces clean, functional code that matches the architecture and checklists.

When to activate: Django, Django ORM, DRF, views, serializers, migrations, Django admin, class-based views

When to activate: FastAPI, Pydantic v2, dependency injection, async endpoints, middleware, background tasks, OpenAPI

When to activate: Flutter state management, setState, ValueNotifier, ChangeNotifier, BLoC, Riverpod, Provider, state comparison

When to activate: general Go code, idiomatic Go, interfaces, error handling, defer, init, blank identifier, iota

When to activate: Laravel, Eloquent ORM, service container, middleware, form requests, resource controllers, artisan, queues, events and…

When to activate: Next.js 14/15, App Router, Server Components, Route Handlers, metadata, caching, middleware, ISR

When to activate: PWA, service worker, offline, cache strategy, Web App Manifest, push notifications, Workbox, install prompt