Skill: fastify

Scope

• Applies to: Fastify v5+ with TypeBox schemas, type-safe route definitions, automatic OpenAPI generation, plugins, hooks, testing
• Does NOT cover: Database integration (see drizzle-orm)

Assumptions

• Fastify v5+
• @fastify/type-provider-typebox for TypeBox type provider
• @sinclair/typebox for schema definitions
• TypeScript v5+ with strict mode

Principles