Developer Tools & Repos Agent Skills

How to write modern Swift well — modeling with value types, Swift 6 data-race safety and approachable concurrency (@concurrent…

Use when reading, editing, or generating a Bethesda Game Studio load-order file (plugins.txt / loadorder.txt) for Fallout 4, Skyrim…

Guides implementation of Gatekeeper Workers that bridge Gadgets to external services.

Guide for writing or reviewing PostHog kea logic files (`*Logic.ts` / `*Logic.tsx`).

Use when cutting a modpack release. Creates <project>/docs/release-changelog.md if absent; appends a new version section with grouped…

Use when you have a spec or requirements for a multi-step task, before touching code

Write and check Pyrope (LiveHD's HDL). Use when creating or editing .prp files, translating Verilog to/from Pyrope, or answering Pyrope…

Use this skill when writing meta file for MUI Treasury registry.

Create or modify ryOS backend API routes under api/ using the shared apiHandler wrapper, request-auth, Redis, rate limiting, and CORS…

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design.

Implement Command Query Responsibility Segregation for scalable architectures.

Manage major dependency version upgrades with compatibility analysis, staged rollout, and comprehensive testing.

Master error handling patterns across languages including exceptions, Result types, error propagation, and graceful degradation to build…

Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators…

Master Next.js 14+ App Router with Server Components, streaming, parallel routes, and advanced data fetching.

Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication…

Wwise integration skill for sound banks, RTPC, and interactive music.

wxPython GUI expert -- sizer layouts, event handling, AUI framework, custom controls, threading (wx.CallAfter/wx.PostEvent), dialog…

Official M2MCent wrapper (Node.js) to inject x402 paywalls into APIs or Model Context Protocol (MCP) servers.

Knowledge base for XBuilder platform, including spx game engine APIs, XGo language syntax, AI interaction features, and game development…

name: preview description: Build and capture Xcode/SwiftUI previews for visual analysis invocation: /preview This skill allows you to…