System design specialist for architecture decisions, technology selection, and high-level component design. Use when the task requires evaluating architectural trade-offs, designing system components, selecting technology stacks, or planning service boundaries. For example: microservice decomposition, database schema…
Implementation specialist for writing clean, well-structured code following established patterns and SOLID principles. Use when the task requires feature implementation, writing new modules, or building out functionality from specifications. For example: building a new API endpoint, implementing a service class, or…
Debugging specialist for root cause analysis, investigating defects, and tracing execution flow. Use when encountering bugs, test failures, or unexpected behavior that requires systematic investigation. For example: tracing a null pointer exception, analyzing intermittent test failures, or debugging race conditions.
Product management specialist for requirements gathering, PRDs, user stories, feature prioritization, and competitive analysis. Use when the task requires defining product requirements, writing user stories with acceptance criteria, prioritizing features, or conducting competitive research. For example: writing a PRD…
Technical writing specialist for documentation, API references, and architectural diagrams. Use when the task requires writing README files, API documentation, architecture decision records, or inline documentation. For example: writing an OpenAPI description, creating a getting-started guide, or documenting module…
Testing specialist for unit tests, integration tests, test coverage analysis, and TDD workflows. Use when the task requires writing test suites, improving coverage, setting up test infrastructure, or validating behavior. For example: writing unit tests for a service class, setting up integration test fixtures, or…