Build Fastify backends with proven patterns.
backend development
Helps build, configure, debug, test, secure, and deploy Fastify backends and REST APIs.
When to use it
Use when developing Fastify applications, plugins, routes, architecture, TypeScript integration, tests, validation, serialization, or error handling.
It changes how the agent develops Fastify project code by applying detailed rules, explanations, and examples.
What you provide
No additional actions listed in the analysis.
No setup requirements listed in the analysis.