Fastify high-performance Node.js web framework reference. Covers routes with JSON Schema validation, encapsulated plugin system, lifecycle hooks, decorators, TypeScript with TypeBox, error handling, inject-based testing, and Pino structured logging.
Scanned 9/7/2026
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Skills Directorynpx -y skills add bytesagain/ai-skills --skill fastify --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: fastify
version: 1.0.0
description: >
Fastify high-performance Node.js web framework reference. Covers
routes with JSON Schema validation, encapsulated plugin system,
lifecycle hooks, decorators, TypeScript with TypeBox, error
handling, inject-based testing, and Pino structured logging.
author: BytesAgain
homepage: https://bytesagain.com
source: https://github.com/bytesagain/ai-skills
tags: [fastify, nodejs, web-framework, api, rest, typescript, performance]
---
# Fastify Reference
Fast and low overhead Node.js web framework.
## Commands
| Command | Description |
|---------|-------------|
| `intro` | Overview, benchmarks |
| `basics` | Routes, validation, replies |
| `plugins` | Plugins, hooks, decorators |
| `advanced` | TypeScript, testing, logging |
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