67 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pair programmer.
Install
npx skills add Jeffallan/claude-skillsgh skill install Jeffallan/claude-skillsgit clone --depth 1 https://github.com/Jeffallan/claude-skillsSkills in this collection
- Angular ArchitectJeffallanUse when building Angular 17+ applications with standalone components or signals. Invoke for enterprise apps, RxJS patterns, NgRx state management, performance optimization, advanced routing. Keywords: Angular, standalone components, signals, RxJS, NgRx, OnPush.
- API DesignerJeffallanUse when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for resource modeling, versioning strategies, pagination patterns, error handling standards.
- Architecture DesignerJeffallanUse when designing new system architecture, reviewing existing designs, or making architectural decisions. Invoke for system design, architecture review, design patterns, ADRs, scalability planning. Keywords: architecture, system design, patterns, microservices, scalability.
- Atlassian MCPJeffallanIntegrates with Atlassian products to manage project tracking and documentation via MCP protocol. Use when querying Jira issues with JQL filters, creating and updating tickets with custom fields, searching or editing Confluence pages with CQL, managing sprints and backlogs, setting up MCP server authentication, syncing documentation, or debugging Atlassian API integrations.
- Chaos EngineerJeffallanDesigns chaos experiments, creates failure injection frameworks, and facilitates game day exercises for distributed systems — producing runbooks, experiment manifests, rollback procedures, and post-mortem templates. Use when designing chaos experiments, implementing failure injection frameworks, or conducting game day exercises.
- Cli DeveloperJeffallanUse when building CLI tools, implementing argument parsing, or adding interactive prompts. Invoke for CLI design, argument parsing, interactive prompts, progress indicators, shell completions. Keywords: CLI, terminal, command-line, commander, click, cobra.
- Cloud ArchitectJeffallanUse when designing cloud architectures, planning migrations, or optimizing multi-cloud deployments. Invoke for Well-Architected Framework, cost optimization, disaster recovery, landing zones, security architecture, serverless design. Keywords: AWS, Azure, GCP, multi-cloud, cloud migration, cost optimization.
- Code DocumenterJeffallanUse when adding docstrings, creating API documentation, or building documentation sites. Invoke for OpenAPI/Swagger specs, JSDoc, doc portals, tutorials, user guides. Keywords: documentation, docstrings, OpenAPI, Swagger, JSDoc, API docs, tutorials.
- Code ReviewerJeffallanAnalyzes code diffs and files to identify bugs, security vulnerabilities (SQL injection, XSS, insecure deserialization), code smells, N+1 queries, naming issues, and architectural concerns, then produces a structured review report with prioritized, actionable feedback.
- Cpp ProJeffallanUse when building C++ applications requiring modern C++20/23 features, template metaprogramming, or high-performance systems. Invoke for concepts, ranges, coroutines, SIMD optimization, memory management. Keywords: C++, C++20, C++23, templates, performance, systems programming.
- Csharp DeveloperJeffallanUse when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Invoke for Entity Framework Core, minimal APIs, async patterns, CQRS with MediatR. Keywords: C#, .NET, ASP.NET Core, Blazor, Entity Framework.
- Database OptimizerJeffallanUse when investigating slow queries, analyzing execution plans, or optimizing database performance. Invoke for index design, query rewrites, configuration tuning, partitioning strategies, lock contention resolution. Keywords: database optimization, slow query, EXPLAIN ANALYZE, index optimization, query performance.
- Debugging WizardJeffallanUse when investigating errors, analyzing stack traces, or finding root causes of unexpected behavior. Invoke for error investigation, troubleshooting, log analysis, root cause analysis. Keywords: debug, error, bug, traceback, exception, breakpoint.
- Devops EngineerJeffallanUse when setting up CI/CD pipelines, containerizing applications, or managing infrastructure as code. Invoke for pipelines, Docker, Kubernetes, cloud platforms, GitOps. Keywords: DevOps, CI/CD, Docker, Kubernetes, Terraform, GitHub Actions.
- Django ExpertJeffallanUse when building Django web applications or REST APIs with Django REST Framework. Invoke for Django models, ORM optimization, DRF serializers, viewsets, authentication with JWT. Keywords: Django, DRF, ORM, serializer, viewset, model.
- Django Storages S3JeffallanUse when configuring Django to store static and media files on AWS S3 with django-storages. Invoke when working with the STORAGES setting, S3 buckets, presigned URLs, CloudFront, or boto3-backed file storage in settings.py. Configures the Django 4.2+ STORAGES dict, public/private custom backends, presigned GET/POST URLs, IAM policies, and S3 mocking for tests.
- Dotnet Core ExpertJeffallanUse when building .NET 8 applications with minimal APIs, clean architecture, or cloud-native microservices. Invoke for Entity Framework Core, CQRS with MediatR, JWT authentication, AOT compilation. Keywords: .NET Core, .NET 8, ASP.NET Core, minimal API, EF Core, CQRS.
- Embedded SystemsJeffallanUse when developing firmware for microcontrollers, implementing RTOS applications, or optimizing power consumption. Invoke for STM32, ESP32, FreeRTOS, bare-metal, power optimization, real-time systems. Keywords: embedded, firmware, microcontroller, RTOS, bare-metal, interrupt, DMA.
- Fastapi ExpertJeffallanUse when building high-performance async Python APIs with FastAPI and Pydantic V2. Invoke for async SQLAlchemy, JWT authentication, WebSockets, OpenAPI documentation. Keywords: FastAPI, Pydantic, async, SQLAlchemy, JWT, OpenAPI.
- Feature ForgeJeffallanUse when defining new features, gathering requirements, or writing specifications. Invoke for feature definition, requirements gathering, user stories, EARS format specs. Keywords: requirements, specifications, user stories, EARS, feature planning.
- Fine Tuning ExpertJeffallanUse when fine-tuning LLMs, training custom models, or optimizing model performance for specific tasks. Invoke for parameter-efficient methods, dataset preparation, or model adaptation.
- Flutter ExpertJeffallanUse when building cross-platform applications with Flutter 3+ and Dart. Invoke for widget development, Riverpod/Bloc state management, GoRouter navigation, platform-specific implementations, performance optimization. Keywords: Flutter, Dart, widgets, Riverpod, Bloc, GoRouter.
- Fullstack GuardianJeffallanUse when implementing features across frontend and backend, building APIs with UI, or creating end-to-end data flows. Invoke for feature implementation, API development, UI building, cross-stack work. Keywords: fullstack, feature, implement, API, frontend, backend.
- Game DeveloperJeffallanUse when building game systems, implementing Unity/Unreal features, or optimizing game performance. Invoke for Unity, Unreal, game patterns, ECS, physics, networking, performance optimization.
- Golang ProJeffallanUse when building Go applications requiring concurrent programming, microservices architecture, or high-performance systems. Invoke for goroutines, channels, Go generics, gRPC integration. Keywords: Go, Golang, concurrency, microservices, goroutines.
- Graphql ArchitectJeffallanUse when designing GraphQL schemas, implementing Apollo Federation, or building real-time subscriptions. Invoke for schema design, resolvers with DataLoader, query optimization, federation directives. Keywords: GraphQL, Apollo, Federation, schema design, resolvers.
- Java ArchitectJeffallanUse when building, configuring, or debugging enterprise Java applications with Spring Boot 3.x, microservices, or reactive programming. Invoke to implement WebFlux endpoints, optimize JPA queries and database performance, configure Spring Security with OAuth2/JWT, or resolve authentication issues and async processing challenges in cloud-native Spring applications.
- Javascript ProJeffallanUse when building JavaScript applications with modern ES2023+ features, async patterns, or Node.js development. Invoke for vanilla JavaScript, browser APIs, performance optimization, module systems. Keywords: JavaScript, ES2023, async, Node.js, Fetch API, Web Workers.
- Kotlin SpecialistJeffallanProvides idiomatic Kotlin implementation patterns including coroutine concurrency, Flow stream handling, multiplatform architecture, Compose UI construction, Ktor server setup, and type-safe DSL design. Use when building Kotlin applications requiring coroutines, multiplatform development, or Android with Compose.
- Kubernetes SpecialistJeffallanUse when deploying or managing Kubernetes workloads requiring cluster configuration, security hardening, or troubleshooting. Invoke for Helm charts, RBAC policies, NetworkPolicies, storage configuration, performance optimization. Keywords: Kubernetes, K8s, kubectl, Helm, RBAC, NetworkPolicy.
- Laravel SpecialistjeffallanBuild and configure Laravel 10+ applications, including creating Eloquent models and relationships, implementing Sanctum authentication, configuring Horizon queues, designing RESTful APIs with API resources, and building reactive interfaces with Livewire.
- Legacy ModernizerJeffallanDesigns incremental migration strategies, identifies service boundaries, produces dependency maps and migration roadmaps, and generates API facade designs for aging codebases. Use when modernizing legacy systems, implementing strangler fig pattern or branch by abstraction, decomposing monoliths, upgrading frameworks or languages, or reducing technical debt without disrupting business operations.
- MCP DeveloperJeffallanUse when building MCP servers or clients that connect AI systems with external tools and data sources. Invoke for MCP protocol compliance, TypeScript/Python SDKs, resource providers, tool functions. Keywords: MCP, Model Context Protocol, Claude integration, JSON-RPC.
- Microservices ArchitectJeffallanUse when designing distributed systems, decomposing monoliths, or implementing microservices patterns. Invoke for service boundaries, DDD, saga patterns, event sourcing, service mesh, distributed tracing. Keywords: microservices, service mesh, distributed systems, Kubernetes, event-driven.
- Ml PipelineJeffallanDesigns and implements production-grade ML pipeline infrastructure: configures experiment tracking with MLflow or Weights & Biases, creates Kubeflow or Airflow DAGs for training orchestration, builds feature store schemas with Feast, deploys model registries, and automates retraining and validation workflows.
- Monitoring ExpertJeffallanUse when setting up monitoring systems, logging, metrics, tracing, or alerting. Invoke for dashboards, Prometheus/Grafana, load testing, profiling, capacity planning. Keywords: monitoring, observability, logging, metrics, tracing, alerting, Prometheus, Grafana.
- Nestjs ExpertJeffallanUse when building NestJS applications requiring modular architecture, dependency injection, or TypeScript backend development. Invoke for modules, controllers, services, DTOs, guards, interceptors, TypeORM/Prisma. Keywords: NestJS, Nest, Node.js, TypeScript backend, dependency injection.
- Nextjs DeveloperJeffallanUse when building Next.js 14+ applications with App Router, server components, or server actions. Invoke for full-stack features, performance optimization, SEO implementation, production deployment. Keywords: Next.js, App Router, Server Components, Server Actions, Vercel, SSR, SSG.
- Pandas ProJeffallanUse when working with pandas DataFrames, data cleaning, aggregation, merging, or time series analysis. Invoke for data manipulation, missing value handling, groupby operations, or performance optimization.
- Php ProJeffallanUse when building PHP applications with modern PHP 8.3+ features, Laravel, or Symfony frameworks. Invoke for strict typing, PHPStan level 9, async patterns with Swoole, PSR standards. Keywords: PHP, Laravel, Symfony, PHPStan, strict types, Eloquent.
- Playwright ExpertJeffallanUse when writing E2E tests with Playwright, setting up test infrastructure, or debugging flaky browser tests. Invoke to write test scripts, create page objects, configure test fixtures, set up reporters, add CI integration, implement API mocking, or perform visual regression testing.
- Postgres ProJeffallanUse when optimizing PostgreSQL queries, configuring replication, or implementing advanced database features. Invoke for EXPLAIN analysis, JSONB operations, extension usage, VACUUM tuning, performance monitoring.
- Prompt EngineerJeffallanUse when designing prompts for LLMs, optimizing model performance, building evaluation frameworks, or implementing advanced prompting techniques like chain-of-thought, few-shot learning, or structured outputs.
- Python ProJeffallanUse when building Python 3.11+ applications requiring type safety, async programming, or robust error handling. Generates type-annotated Python code, configures mypy in strict mode, writes pytest test suites with fixtures and mocking, and validates code with black and ruff.
- Rag ArchitectJeffallanDesigns and implements production-grade RAG systems by chunking documents, generating embeddings, configuring vector stores, building hybrid search pipelines, applying reranking, and evaluating retrieval quality.
- Rails ExpertJeffallanRails 7+ specialist that optimizes Active Record queries with includes/eager_load, implements Turbo Frames and Turbo Streams for partial page updates, configures Action Cable for WebSocket connections, sets up Sidekiq workers for background job processing, and writes comprehensive RSpec test suites.
- React ExpertJeffallanUse when building React 18+ applications requiring component architecture, hooks patterns, or state management. Invoke for Server Components, performance optimization, Suspense boundaries, React 19 features. Keywords: React, JSX, hooks, useState, useEffect, use(), Suspense, RSC.
- React Native ExpertJeffallanUse when building cross-platform mobile applications with React Native or Expo. Invoke for navigation patterns, platform-specific code, native modules, FlatList optimization. Keywords: React Native, Expo, mobile, iOS, Android, navigation.