developer-kit

developer-kit

This repository is the Developer Kit for Claude Code - a modular plugin system providing reusable skills, agents, and commands for automating development tasks. The kit includes 10 independent plugins covering Java/Spring Boot/LangChain4J, TypeScript/NestJS/React, Python, PHP/WordPress, AWS CloudFormation, and AI patterns. Designed for multi-CLI.

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A modular plugin system for automating development tasks in Claude Code. It provides reusable skills, agents, and commands across multiple languages and frameworks. Users can install only the necessary plugins from a marketplace. The tool is specialized for code review, testing, AI development, and full-stack development, with composable and portable features.

README:

Developer Kit for Claude Code

A modular plugin system of reusable skills, agents, and commands for automating development tasks in Claude Code

Developer Kit for Claude Code teaches Claude how to perform development tasks in a repeatable way across multiple languages and frameworks. Built as a modular marketplace, you can install only the plugins you need.

Quick Start

# Install from marketplace (recommended)
/plugin marketplace add giuseppe-trisciuoglio/developer-kit

# Or install from local directory
/plugin install /path/to/developer-kit

Claude Desktop: Enable Skills in Settings


Architecture

Developer Kit is organized as a modular marketplace with 10 independent plugins:

plugins/
├── developer-kit-core/            # Core agents/commands (required)
├── developer-kit-java/            # Java/Spring Boot/LangChain4J/AWS SDK
├── developer-kit-typescript/      # NestJS/React/React Native
├── developer-kit-python/          # Python development
├── developer-kit-php/             # PHP/WordPress
├── developer-kit-aws/             # AWS CloudFormation
├── developer-kit-ai/              # Prompt Engineering/RAG/Chunking
├── developer-kit-devops/          # Docker/GitHub Actions
├── developer-kit-project-management/  # LRA workflow/Meetings
└── github-spec-kit/               # GitHub specification integration

Available Plugins

developer-kit-core (Required)

Core agents and commands used by all other plugins.

Component Description
general-code-explorer Deep codebase exploration and analysis
general-code-reviewer Code quality and security review
general-refactor-expert Code refactoring specialist
general-software-architect Feature architecture design
general-debugger Root cause analysis and debugging
document-generator-expert Professional document generation

Commands: /devkit.brainstorm, /devkit.refactor, /devkit.feature-development, /devkit.fix-debugging, /devkit.generate-document, /devkit.generate-changelog, /devkit.github.create-pr, /devkit.github.review-pr, /devkit.lra.*, /devkit.verify-skill, /devkit.generate-security-assessment


developer-kit-java

Comprehensive Java development toolkit with Spring Boot, testing, LangChain4J, and AWS SDK integration.

Agents: spring-boot-backend-development-expert, spring-boot-code-review-expert, spring-boot-unit-testing-expert, java-refactor-expert, java-security-expert, java-software-architect-review, java-documentation-specialist, java-tutorial-engineer, langchain4j-ai-development-expert

Commands: /devkit.java.code-review, /devkit.java.generate-crud, /devkit.java.refactor-class, /devkit.java.architect-review, /devkit.java.dependency-audit, /devkit.java.generate-docs, /devkit.java.security-review, /devkit.java.upgrade-dependencies, /devkit.java.write-unit-tests, /devkit.java.write-integration-tests

Skills:

  • Spring Boot: actuator, cache, crud-patterns, dependency-injection, event-driven-patterns, openapi-documentation, rest-api-standards, saga-pattern, security-jwt, test-patterns, resilience4j
  • Spring Data: jpa, neo4j
  • Spring AI: mcp-server-patterns
  • JUnit Testing: application-events, bean-validation, boundary-conditions, caching, config-properties, controller-layer, exception-handler, json-serialization, mapper-converter, parameterized, scheduled-async, security-authorization, service-layer, utility-methods, wiremock-rest-api
  • LangChain4J: ai-services-patterns, mcp-server-patterns, rag-implementation-patterns, spring-boot-integration, testing-strategies, tool-function-calling-patterns, vector-stores-configuration, qdrant
  • AWS SDK: rds-spring-boot-integration, bedrock, core, dynamodb, kms, lambda, messaging, rds, s3, secrets-manager

developer-kit-typescript

TypeScript/JavaScript full-stack development with NestJS, React, and React Native.

Agents: nestjs-backend-development-expert, nestjs-code-review-expert, nestjs-database-expert, nestjs-security-expert, nestjs-testing-expert, nestjs-unit-testing-expert, react-frontend-development-expert, react-software-architect-review, typescript-refactor-expert, typescript-security-expert, typescript-software-architect-review, typescript-documentation-expert, expo-react-native-development-expert

Commands: /devkit.typescript.code-review, /devkit.react.code-review, /devkit.ts.security-review

Skills: nestjs, react-patterns, shadcn-ui, tailwind-css-patterns, typescript-docs


developer-kit-python

Python development capabilities for Django, Flask, and FastAPI projects.

Agents: python-code-review-expert, python-refactor-expert, python-security-expert, python-software-architect-expert


developer-kit-php

PHP and WordPress development capabilities.

Agents: php-code-review-expert, php-refactor-expert, php-security-expert, php-software-architect-expert, wordpress-development-expert

Skills: wordpress-sage-theme (Sage theme development)


developer-kit-aws

AWS infrastructure and CloudFormation expertise for Infrastructure as Code.

Agents: aws-solution-architect-expert, aws-cloudformation-devops-expert, aws-architecture-review-expert

Skills (15 total): vpc, ec2, lambda, iam, s3, rds, dynamodb, ecs, auto-scaling, cloudwatch, cloudfront, security, elasticache, bedrock, task-ecs-deploy-gh


developer-kit-ai

AI/ML capabilities including prompt engineering, RAG, and chunking strategies.

Agents: prompt-engineering-expert

Commands: /devkit.prompt-optimize

Skills: prompt-engineering, chunking-strategy, rag


developer-kit-devops

DevOps and containerization expertise.

Agents: github-actions-pipeline-expert, general-docker-expert


developer-kit-project-management

Project management and workflow commands.

Commands: /devkit.write-a-minute-of-a-meeting


github-spec-kit

GitHub specification integration and verification.

Commands: /speckit.check-integration, /speckit.optimize, /speckit.verify


Key Features

  • Modular — Install only the plugins you need for your tech stack
  • Specialized — Domain-specific agents for code review, testing, AI development, and full-stack development
  • Composable — Skills stack together automatically based on task context
  • Portable — Use across Claude.ai, Claude Code CLI, Claude Desktop, and Claude API
  • Efficient — Skills load on-demand, consuming minimal tokens until actively used

Language Support

Language Plugin Components
Java/Spring Boot developer-kit-java Skills, Agents, Commands
TypeScript/Node.js developer-kit-typescript Skills, Agents, Commands
Python developer-kit-python Agents
PHP/WordPress developer-kit-php Skills, Agents
AWS CloudFormation developer-kit-aws Skills, Agents
AI/ML developer-kit-ai Skills, Agents, Commands

Contributing

See CONTRIBUTING.md for detailed instructions on adding skills, agents, and commands.


Security

Skills can execute code. Review all custom skills before deploying.

  • Only install from trusted sources
  • Review SKILL.md before enabling
  • Test in non-production environments first

License

See LICENSE file.


Support

Changelog

See CHANGELOG.md for complete history.


Made with care for Developers using Claude Code Also works with OpenCode, Github Copilot CLI and Codex

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