Domains
Forms
Mechanism
Breaks down how the skill works and what it produces, so you can quickly judge whether it fits your scenario and value.
When designing a new backend service or microservice, refactoring a monolith to bounded contexts, implementing hexagonal/onion architecture, or debugging dependency cycles between application layers.
references/ for deeper guidanceA maintainable, testable, framework-independent codebase with clear layer boundaries, interface definitions, and in-memory test adapters that need no database or network.
Use Cases
A team is building a new microservice from scratch and wants to avoid framework lock-in. Using this skill, they define domain entities, use cases, and ports with adapters for PostgreSQL and REST. The result is a clean layered structure where business logic is testable without a database, accelerating development and reducing future migration cost.
An existing monolith has business logic entangled with ORM and HTTP code, causing circular imports. The skill guides extraction of bounded contexts, introduction of repository interfaces, and moving logic into use cases. Dependency cycles are resolved, and the codebase becomes testable with in-memory adapters, enabling safe incremental decomposition.
Skill Relationships
Dependency relationships read as "the upper tier points to the lower tier." The current Skill sits in the middle tier — above are Skills that depend on it, below are Skills it depends on.
Tier 1 · These Skills Use Me
Tier 2 · Current Skill
Tier 3 · I Use These Skills
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Skill File