api

Installation and usage

API design and developer experience for TypeScript libraries. Use when designing APIs, reviewing architecture, evaluating DX, or checking ergonomics. Covers extensibility, progressive disclosure, type inference, state patterns, and composition. For review, load review/workflow.md. Triggers: "design API", "review API", "check DX", "is this ergonomic", "review architecture", "middleware design", "how does this feel".

skills use api