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typescript:fastify

Creates REST APIs in TypeScript using Fastify and TypeBox validation with RFC 7807 errors.

39|4|Updated Jan 11, 2026
Search Tags:#typescript#routing#validation#middleware#fastify#api-design#typebox
One-click install
npx skills add https://github.com/martinffx/atelier --skill typescript-fastify
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: typescript:fastify
Source: https://github.com/martinffx/atelier/tree/main/skills/typescript%3Afastify
Command: npx skills add https://github.com/martinffx/atelier --skill typescript-fastify

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides a structured, type-safe foundation for building Fastify-based REST APIs with TypeBox validation in TypeScript, ensuring consistent schemas and robust routing patterns.

Core Features & Use Cases

  • TypeBox-based schemas and validation integrated with Fastify routes
  • Modular routing, reusable schemas, and RFC 7807 error handling
  • Guidance for headers, authentication, and permission checks in API design
  • Real-world patterns for scalable, maintainable API services

Quick Start

Set up a Fastify project with TypeBox schemas, register modular routes, and wire a global error handler.

Frequently Asked Questions about typescript:fastify

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a type-safe REST API with Fastify and TypeScript?▼

Build a type-safe REST API with Fastify using TypeBox to define strict input and output schemas, enabling automatic route-level validation and type inference for your TypeScript backend services.

What is the best way to validate Fastify request and response schemas in TypeScript?▼

Validate Fastify schemas using TypeBox definitions with $id, separating input and output types to enforce route-level validation and ensure strict request and response typing in TypeScript.

How do I implement RFC 7807 error handling in a Fastify API?▼

Implement RFC 7807 error handling in a Fastify API by configuring a global error handler that returns standardized problem details, ensuring consistent error response formats across all modular routes.

Can I use TypeBox for modular routing and dependency injection in Fastify?▼

Yes, TypeBox supports Fastify modular routing through dependency injection-friendly routers, allowing you to register reusable schemas with $id and separate input and output types for scalable API architectures.

How do I structure authentication and permission checks in a Fastify REST API?▼

Structure authentication and permission checks in a Fastify REST API using route-level validation and middleware guidance for headers, ensuring secure access control and scalable modular routing patterns.

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