“Backend development”

Guide feature development with architecture patterns for any tech stack.

Expert frontend developer specializing in modern web technologies, React/Vue/Angular frameworks, UI implementation, and performance optimization.

Bun projects - native APIs, bun test, bun build --compile, tsconfig.

Execute an approved plan by delegating isolatable steps to isolated child sessions (Host serializes writers), then review diffs and verify in the parent.

Execute an approved plan by delegating isolatable steps to isolated child sessions (Host serializes writers), then review diffs and verify in the parent.

You MUST activate this skill when working on Swift projects

Backend TypeScript and Cloud VM development rules for cmux.

Develop phase entry; routes task execution, state updates, KB sync, and plan close-out through references/assets/scripts.

This skill should be used when the user asks to create a new skill, repair an existing skill, improve trigger descriptions, reorganize skill structure, or…

Guides Next.js frontend development using App Router, React Server Components (RSC), and data fetching.

开发实施阶段入口；聚合任务执行、状态更新、知识库同步与收尾状态规则，按需加载 references/assets/scripts。

Route and execute game project work across Unreal Engine, Unity, Godot, Bevy, browser engines, assets, performance, builds, and playtesting.

Creates and repairs Claude Code slash commands, including their frontmatter, arguments, prompts, and local file references.

Defines the local standard for standalone Pi extension repositories.

Design and build Python CLIs with Typer: commands, output contracts, and tests.

Builds and debugs Claude Code lifecycle hooks, covering event types, input payloads, JSON responses, exit codes and registration in settings or plugins.

End-to-end product development for iOS/macOS apps.

AWS Cloud Development Kit (CDK) expert for building cloud infrastructure with TypeScript/Python.

SST v4 (Ion) expert for managing AWS resources as code with the Pulumi-backed framework.

Progressive Web App development for installable, offline-capable web applications.

开发、验证和排障 RabiRoute 原生热补丁。用于动态发现新增模块、增量编译、版本租约、状态迁移、发布、回滚和不停服验收；默认热补丁，按实际支持矩阵判断可迁移边界。

Developer tools - npm packages, GitHub repos, CDN libraries.

AI agent development workflow for building autonomous agents, multi-agent systems, and agent orchestration with CrewAI, LangGraph, and custom agents.

This skill should be used for project-level decisions about LLM-powered systems: whether an LLM is the right primitive for the task at hand, the shape of a…