Developer Tools & Repos Agent Skills for Claude Code

F# language-specific patterns, Railway-Oriented Programming, and Computation Expressions

Haskell language-specific patterns, GADTs, type classes, and effect systems

Kotlin language-specific patterns with Arrow, Raise DSL, and coroutine-based effects

Scala 3 language-specific patterns with ZIO, Cats Effect, and opaque types

Naming conventions, API ergonomics, and usability patterns for functional code

Language-specific best practices, code quality standards, and framework detection rules.

Guide for integrating modern web frameworks with Capacitor.

FreshBooks integration via Apideck's Accounting unified API — same methods work across every connector in Accounting, switch by changing…

Comprehensive skill for Three.js 3D web development.

Delivery workflow — branch model, branch or worktree, commits, PRs, review, merge, release, rollback, and how to split work between a…

Modern frontend patterns for React Server Components, performance optimization, and Core Web Vitals

Build production-grade mobile apps with native design tokens and platform compliance.

Build installable, offline-first web apps for all devices with native migration via Capacitor.

Implement mobile-first responsive designs with fluid layouts, breakpoints, relative units, and touch-friendly interfaces that work across…

One canonical frontend TypeScript standard — lint rules, correctness gates, file budgets, structure, naming, git hooks, commit…

myfy FrontendModule for server-side rendering with Jinja2, Tailwind 4, DaisyUI 5, and Vite.

Scaffolds full-stack internal tooling platforms and evaluation benches using pnpm monorepos, Fastify, Vite, and unified Zod schemas.

Use when the user wants feedback on whether a game design, mechanic, or idea will be fun to play -- evaluates incentive loops, tension…

Implement AlarmKit alarms and countdown timers for iOS and iPadOS with Lock Screen, Dynamic Island, StandBy, and paired Apple Watch system…

Behavior tree design and implementation skill for game AI.

Implement VoIP calling with CallKit and PushKit.