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Applies core software design principles including Composition Over Inheritance, Law of Demeter, Tell Don't Ask, and Encapsulation for structuring modules and components.

Enables developers to create custom Credo checks for enforcing project-specific code quality standards in Elixir projects.

Provides utilities for creating and managing structured data models in Python using dataclasses, attrs, and Pydantic.

Provides utilities for building concurrent Java applications using ExecutorService, CompletableFuture, and virtual threads.

Captures and reports application errors to Sentry with context enrichment, error boundaries, and fingerprinting for effective debugging.

Configures ESLint rules for code quality, including severity levels and disabling strategies in JavaScript/TypeScript projects.

Provides utilities for working with Ruby blocks, procs, lambdas, and functional programming patterns including closures and higher-order functions.

Configures biome code quality tool settings including biome.json, schema versions, VCS integration, and project organization.

Teaches core Bash scripting concepts including variables, conditionals, loops, and modern best practices for infrastructure automation.

Enables efficient asynchronous programming in iOS apps using Swift's concurrency features including async/await, Task, and actors.

Migrates .env secret management to fnox with 1Password integration, including configuration and mise setup for secure workflows.

Conducts multi-phase research using web search and content analysis with parallel subagents, delivering detailed markdown reports with citations.

Manages macOS window tiling and workspace organization via AeroSpace, supporting interactive commands and scriptable automation.

Installs standardized flog/flay Rake tasks and pre-commit hook for automatic Ruby code complexity and duplication analysis.

Generates or revises technical documentation for software projects in the form of README files.

Analyzes arguments by extracting premises, identifying hidden assumptions, verifying logical validity, and researching premise support, optionally formalizing in Lean.

Automates the Ralph autonomous coding loop for story iteration, test execution, commit, and learning logging.

Applies Sandi Metz's four rules to refactor Ruby code, ensuring classes under 100 lines, methods under 5 lines, and minimal parameters for improved maintainability.

Generates, edits, and restores images using Gemini CLI with the Nano Banana extension for creative visual content including icons, patterns, and diagrams.

Offers step-by-step guidance for creating and updating Claude skills to extend capabilities with specialized knowledge, workflows, or tool integrations.

Architects iOS apps with UIKit, implementing MVVM/MVC/Coordinator patterns and SwiftUI integration.

Manages Sentry releases, source map uploads, deployment tracking, and release health monitoring with commit associations.

Enables modular Angular application development through dependency injection, managing services and providers efficiently.

Builds and trains neural networks using TensorFlow for machine learning applications.