JavaScript and TypeScript development with ES6+, Node.js, React, and modern web frameworks
Master modern JavaScript with ES6+, async patterns, and Node.js APIs. Handles promises, event loops, and browser/Node compatibility. Use PROACTIVELY for JavaScript optimization, async debugging, or complex JS patterns.
Master TypeScript with advanced types, generics, and strict type safety. Handles complex type systems, decorators, and enterprise-grade patterns. Use PROACTIVELY for TypeScript architecture, type inference optimization, or advanced typing patterns.
Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use when writing JavaScript/TypeScript tests, setting up test infrastructure, or implementing TDD/BDD workflows.
Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators, and functional programming patterns for writing clean, efficient JavaScript code. Use when refactoring legacy code, implementing modern patterns, or optimizing JavaScript applications.
Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when creating Node.js servers, REST APIs, GraphQL backends, or microservices architectures.
Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for building type-safe applications. Use when implementing complex type logic, creating reusable type utilities, or ensuring compile-time type safety in TypeScript projects.
Uses power tools
Uses Bash, Write, or Edit tools
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⚡ Updated for Opus 4.5, Sonnet 4.5 & Haiku 4.5 — Three-tier model strategy for optimal performance
🎯 Agent Skills Enabled — 107 specialized skills extend Claude's capabilities across plugins with progressive disclosure
A comprehensive production-ready system combining 99 specialized AI agents, 15 multi-agent workflow orchestrators, 107 agent skills, and 71 development tools organized into 67 focused, single-purpose plugins for Claude Code.
This unified repository provides everything needed for intelligent automation and multi-agent orchestration across modern software development:
Each plugin is completely isolated with its own agents, commands, and skills:
Example: Installing python-development loads 3 Python agents, 1 scaffolding tool, and makes 5 skills available (~300 tokens), not the entire marketplace.
Add this marketplace to Claude Code:
/plugin marketplace add EngineerWithAI/engineerwith-agents
This makes all 67 plugins available for installation, but does not load any agents or tools into your context.
Browse available plugins:
/plugin
Install the plugins you need:
# Essential development plugins
/plugin install python-development # Python with 5 specialized skills
/plugin install javascript-typescript # JS/TS with 4 specialized skills
/plugin install backend-development # Backend APIs with 3 architecture skills
# Infrastructure & operations
/plugin install kubernetes-operations # K8s with 4 deployment skills
/plugin install cloud-infrastructure # AWS/Azure/GCP with 4 cloud skills
# Security & quality
/plugin install security-scanning # SAST with security skill
/plugin install code-review-ai # AI-powered code review
# Full-stack orchestration
/plugin install full-stack-orchestration # Multi-agent workflows
Each installed plugin loads only its specific agents, commands, and skills into Claude's context.
End-to-end feature orchestration with testing, security, performance, and deployment
Dependency auditing, version management, and security vulnerability scanning
ARM Cortex-M firmware development for Teensy, STM32, nRF52, and SAMD with peripheral drivers and memory safety patterns
Context persistence, restoration, and long-running conversation management
Modern Python development with Python 3.12+, Django, FastAPI, async patterns, and production best practices
npx claudepluginhub EngineerWithAI/engineerwith-agents --plugin javascript-typescriptJavaScript and TypeScript development with ES6+, Node.js, React, and modern web frameworks
Editorial "TypeScript & JavaScript" bundle for Claude Code from Antigravity Awesome Skills.
Auto-upgrade JavaScript and TypeScript syntax to new ECMAScript features based on browser support.
JavaScript/TypeScript-specific validation and patterns
Migrate JavaScript files to TypeScript with proper types
TypeScript/JavaScript full-stack development with NestJS, React, and React Native