Jeffallan/claude-skills

.NET Core Expert guides building .NET 8 applications with minimal APIs, clean architecture, and cloud-native microservices. Use it for Entity Framework Core, CQRS with MediatR, JWT authentication, and AOT compilation.

API Designer helps design REST and GraphQL APIs, creating OpenAPI specifications and planning API architecture including resource modeling, versioning, pagination, and error handling. Use it when you need to design or document an API contract.

Angular Architect generates Angular 17+ standalone components, sets up advanced routing with lazy loading and guards, implements NgRx state management, applies RxJS patterns, and optimizes bundle performance. Use when building enterprise Angular applications with standalone components, signals, or NgRx.

Architecture Designer designs high-level system architecture, evaluates technology trade-offs, and writes Architecture Decision Records (ADRs). Use it when creating system designs, reviewing existing architectures, or planning scalability.

Atlassian MCP integrates with Atlassian products to manage project tracking and documentation via the MCP protocol. Use it when querying Jira issues with JQL, creating or updating tickets, searching or editing Confluence pages with CQL, managing sprints and backlogs, or setting up MCP authentication.

C# Developer builds high-performance .NET 8+ web APIs, ASP.NET Core APIs, and Blazor web apps using Entity Framework Core, CQRS, async patterns, and modern C# features. Use for C#, .NET, ASP.NET Core, Blazor, EF Core, Minimal API, and SignalR development.

C++ Pro writes, optimizes, and debugs C++ apps using C++20/23, template metaprogramming, and high-performance systems techniques. Use for refactoring, performance, concurrency, and CMake builds.

CLI Developer guides the design, implementation, and testing of command-line tools, including argument parsing, subcommands, interactive prompts, progress indicators, and shell completion scripts for Node.js, Python, and Go.

Chaos Engineer designs and executes chaos experiments, builds failure injection frameworks, and facilitates game day exercises to test distributed system resilience. Use it to create runbooks, experiment manifests, rollback procedures, and post-mortem templates.

Cloud Architect designs cloud architectures, creates migration plans, generates cost optimization recommendations, and produces disaster recovery strategies across AWS, Azure, and GCP. Use when designing cloud architectures, planning migrations, or optimizing multi-cloud deployments.

Code Documenter generates, formats, and validates technical documentation including docstrings, OpenAPI/Swagger specs, JSDoc annotations, doc portals, and user guides. Use it when adding docstrings, creating API documentation, building documentation sites, or writing tutorials and user guides.

Code Reviewer analyzes code diffs and files to identify bugs, security vulnerabilities, code smells, N+1 queries, and naming issues, producing a structured review report with prioritized feedback. Use when reviewing pull requests, auditing code quality, refactoring, or checking for security issues.

Database Optimizer analyzes slow queries, execution plans, and schema to improve PostgreSQL and MySQL performance. Use it when investigating slow queries, designing indexes, tuning configuration, or resolving lock contention.

Debugging Wizard parses error messages and stack traces, correlates logs, and applies systematic hypothesis-driven debugging to isolate and resolve bugs. Use when investigating errors, analyzing stack traces, finding root causes, troubleshooting crashes, or performing log analysis.

DevOps Engineer creates Dockerfiles, CI/CD pipelines, Kubernetes manifests, and Terraform/Pulumi infrastructure templates. Use it for deployment automation, GitOps configuration, incident response runbooks, and internal developer platform tooling.

Django Expert builds Django web applications and REST APIs with Django REST Framework, optimizing ORM queries and configuring JWT authentication. Use it when working with models, serializers, views, or authentication in Django projects.

Django Storages S3 configures production-grade file storage on AWS S3 using django-storages and boto3. Use it when serving static or media files from S3, setting presigned URLs, CloudFront, IAM policies, or migrating FileField storage.

Embedded Systems assists with firmware development for microcontrollers, RTOS implementation, and power optimization. Use it when writing bare-metal or FreeRTOS code for STM32, ESP32, or similar platforms.

FastAPI Expert builds high-performance async Python APIs with FastAPI and Pydantic V2, covering REST endpoints, validation, async SQLAlchemy, JWT auth, WebSockets, and OpenAPI docs. Use it when building or maintaining FastAPI backends.

Feature Forge conducts structured requirements workshops to produce feature specifications, user stories, EARS-format functional requirements, acceptance criteria, and implementation checklists. Use it when defining new features, gathering requirements, or writing specifications.

Fine-Tuning Expert prepares JSONL datasets, configures LoRA/QLoRA adapters, sets hyperparameters, and trains custom or adapted LLMs. Use it for parameter-efficient fine-tuning with Hugging Face PEFT, OpenAI fine-tuning, instruction tuning, RLHF, DPO, and deploying quantized fine-tuned models.

Flutter Expert builds high-performance cross-platform applications with Flutter 3 and Dart, covering state management, navigation, widgets, performance optimization, and testing. Use it when developing Flutter apps with Riverpod, Bloc, or GoRouter.

Fullstack Guardian builds security-focused full-stack web applications, addressing frontend, backend, and security in one workflow. Use it when implementing features across the entire stack, building authenticated APIs with UI, or creating end-to-end data flows.

Game Developer implements game systems in Unity and Unreal Engine, including ECS architecture, physics, multiplayer networking, shaders, and performance optimization. Use it when building games, optimizing frame rates to 60+ FPS, or applying patterns like object pooling and state machines.

Golang Pro implements concurrent Go patterns with goroutines and channels, designs microservices with gRPC or REST, and optimizes performance with pprof. Use when building Go applications that require concurrent programming, microservices architecture, or high-performance systems.