Claude Code skills, ranked by how many sources recommend each.
10 skills
Scaffold high-quality Model Context Protocol servers for external integrations.
Enforces the RED-GREEN-REFACTOR TDD cycle before writing implementation code.
Lighthouse / Core Web Vitals performance and quality audit skills.
Build, debug, and optimize Anthropic SDK apps with prompt caching baked in.
REST API design review with linting, breaking-change detection, scorecards.
Multi-language structured code-review skill with a four-phase process.
Design schemas, model relationships, choose SQL vs NoSQL, plan migrations.
Zero-downtime schema/data migrations and rollbacks across SQL engines and ORMs.
Production FastAPI: async APIs, DI, Pydantic models, OpenAPI, tests, security.
Write and optimize SQL, generate migrations, explore schemas, work with ORMs.