karchtho

my-claude-marketplace

Comprehensive Jest testing toolkit: fundamentals, unit testing patterns, Express API integration testing, Prisma/PostgreSQL database testing, and mocking patterns

Complete React development toolkit: React patterns + UI/UX design skills

Development toolkit for creating Claude Code plugins and bundles with comprehensive bundle-making capabilities

Infrastructure and DevOps expertise: bash scripting best practices, nginx configuration, deployment automation, and production system management

Token-efficient session management with /session-start and /session-end commands - load project context, track work, auto-commit with conventional commits

Comprehensive API design expertise for REST and GraphQL: resource modeling, schema design, security, testing with Postman MCP integration, and production-grade API architecture

Complete game jam development partner for Unity 2D: validates starter scripts, guides modern architecture (Input System, async/await, DI, memory optimization), and generates production-ready features with @jam-architect, @feature-developer, @code-quality agents

Production-ready Express.js backend development: fundamentals, middleware patterns (auth, validation, error handling), API design, database integration (PostgreSQL, MongoDB), authentication (JWT, OAuth), and testing strategies