1. Software Development

Guides creation and modification of tests for dev server, hot module replacement (HMR), and bundling in test/bake/ directory.

Guides creation and modification of bundler, transpiler, and code transformation tests using itBundled/expectBundled.

Enables C++ implementation of JavaScript classes with JavaScriptCore, including prototypes and constructors for seamless integration.

Comprehensive guide for developing, testing, and reviewing custom integrations within the Home Assistant home automation platform.

Summarizes preferred file API patterns and provides utilities for common file operations (read, write, scan, delete) in a repository.

Guides Electron desktop application development including IPC, window management, and menu configuration for cross-platform desktop apps.

Provides TypeScript code style and optimization guidelines for type-safe development and code quality in .ts, .tsx, and .mts files.

Guides Drizzle ORM schema definition, table creation, migration generation, and database model implementation for TypeScript backend projects.

Guides React component development, UI implementation, and routing for .tsx files using @lobehub/ui components.

Delivers comprehensive project architecture and structure guidance for codebase exploration, organization understanding, and file location within development contexts.

Guides adding server-side environment variables to configure default user settings in applications.

Guides implementation of state management in React using Zustand, covering store creation, actions, and slice management for efficient application state handling.

Provides Vercel-engineered performance best practices for React and Next.js code, guiding optimization in components, data fetching, and bundle management.

Guides implementation of recent data features including recent lists and session store data access in applications.

Assists in writing, debugging, and enhancing test coverage with Vitest for TypeScript and React applications.

Guides implementation of internationalization in React using react-i18next for translation keys and locale management.

Guides implementation of modal dialogs using @lobehub/ui's imperative API for React applications.

Guides implementation of debug logging, namespace configuration, and debugging features using debug packages.

Guides implementation of keyboard shortcuts in applications, covering registration, event handling, and user interaction workflows.

Verifies JavaScript concept accuracy by checking code examples against MDN and ECMAScript standards to prevent technical misinformation.

Generates comprehensive Vitest tests for JavaScript code examples in documentation, adhering to project conventions and source references.

Generates Vitest test cases for JavaScript code examples in documentation, adhering to project conventions and source line references.

Assists users in creating, configuring, and understanding syntax for hookify rules, a code-based rule system for application logic.

Guides users in creating, organizing, and improving Claude Code plugins using structured development practices and progressive disclosure techniques.