1. Software Development

Guides Go backend development with Gin, Clean Architecture, and CQRS for feature implementation, refactoring, and code generation.

Assists with idiomatic Rust development, emphasizing safety, performance, and ergonomics through async, error handling, and trait design patterns.

Specializes in improving code structure and reducing technical debt through refactoring, ensuring behavior remains unchanged.

Validates system against requirements via system testing and UAT, with stakeholder sign-off and defect tracing to design phases.

Comprehensive tool for writing, executing, and analyzing unit, integration, and property-based tests to improve code coverage and reliability.

Guides development of Synapse plugin actions using decorators, classes, and Pydantic validation for AI application integration.

Provides system architecture design guidance for Rust and WebAssembly projects, including ADR creation, API design, and module planning without implementation.

Reviews software project and refactor plans with a fresh perspective using a dedicated model, enhancing plan quality and reducing oversight.

Provides systematic debugging for Rust applications, including root cause analysis, logging strategies, profiling, and issue reproduction, with all debug changes removed in the final report.

Specializes in backend development tasks including API design, database schemas, business logic, and authentication implementation.

Guides developers through Test-Driven Development (TDD) and Tidy First principles for feature implementation and bug fixes.

Guides users to write standardized commit messages in Korean or English, enforcing best practices during the commit process.

Provides explanations for Synapse plugin action result schemas and return type validation.

Generates and explains slash commands for Claude Code, covering syntax, frontmatter, arguments, and execution patterns in markdown format.

Assists with software architecture, system design, and technical planning including refactoring, scalability, and code organization strategies.

Specialized code review assistant providing structured feedback with severity levels to assess code quality before merging changes.

Enables senior frontend architects to apply deep reasoning for creating minimalist, library-disciplined UIs with avant-garde design principles.

Assists with Synapse action classes for AI/ML workflows, including training, inference, and deployment.

Provides guidance on software testing patterns including unit, integration, and mocking strategies for robust code quality.

Identifies and resolves software performance issues including slow execution, high memory usage, and bottlenecks through profiling and optimization techniques.

Writes operational logs (activity, errors, progress, lessons) to the .os-tk/ directory for application monitoring.

Thorough code review for Rust and WebAssembly projects, identifying bugs, security issues, performance bottlenecks, and maintainability concerns with actionable feedback.

Provides guidance on modern React patterns including hooks, composition, performance optimization, and TypeScript best practices.

Provides best practices for Next.js App Router including Server Components, data fetching, and routing patterns.