1. Software Development

Proactively analyzes and resolves Rails errors, test failures, and unexpected behavior by identifying root causes.

Enables recording domain events and dispatching to inbox handlers for side effects, audit trails, and activity feeds in event-driven architectures.

Provides a structured guide for creating, testing, and publishing Ruby gems of all types, including libraries, CLI tools, and Rails engines.

Provides advanced patterns for crafting effective Claude Code commands to generate high-quality code outputs.

Provides comprehensive testing strategies for React components, hooks, and integration tests using Vitest, React Testing Library, and Jest.

Enables ActiveModel-like classes for JSON-backed database columns, supporting configuration objects, nested attributes, and JSON data validations.

Builds reusable UI components with ViewComponent, supporting slots, style variants, and component previews.

Provides modern Python 3.12+ development with uv, ruff, and production-ready practices, routing to framework-specific and testing skills.

Adds a new field to .agents.yml configuration schema and updates associated templates, versioning, and migration scripts.

Provides best practices for writing, reviewing, and refactoring Vitest tests, covering structure, assertions, mocking, and performance optimization.

Provides comprehensive JavaScript and TypeScript best practices for code quality, safety, performance, and documentation to enhance development workflows.

Provides React performance optimization and best practices for components, hooks, state management, and React 19+ features to enhance application efficiency.

Creates domain layer components including models, repository interfaces, and implementations following a structured CRUD workflow for backend services.

Generates API layer components including gRPC handlers, proto definitions, and DI registration for new entity CRUD endpoints.

Creates database migrations, defines table schemas, and manages enum tables for new database structures, required before domain entity creation.

Enables efficient analysis of existing codebases to understand request flows, locate functionality, and assess impact before making changes, ensuring safe modifications.

Guides full CRUD implementation workflow including database table creation, domain entity definition, and API endpoint setup.

Automates pre-PR code review against project-specific conventions for domain models, repositories, handlers, and tests.

Guides creation and organization of React/TypeScript components within a monorepo using modern architecture patterns.

Automates test execution and systematic failure resolution to improve code quality and maintainability.

Generates BATS framework integration tests for shell scripts, ensuring reliable test coverage and script correctness.

Executes implementation tasks including feature and component development upon user commands such as 'implement' or 'build'.

Automates code review by comparing feature branches to base branches, checking for consistency, duplication, and quality issues before merging.

Provides comprehensive testing patterns for React components using MSW, React Query, and Vitest to handle mocks, API interactions, and achieve test coverage.