effect-patterns

Installation
SKILL.md

Effect TypeScript Patterns

Type-safe error handling and composable services using Effect as the core type system for Node.js/Bun backends.

Core Stack

Component Library Purpose
Runtime Bun 1.1+ Fastest Node.js-compatible runtime
Framework Elysia 1.x End-to-end type safety
Type System Effect 3.x TypeScript's missing standard library
Validation Effect Schema Type-safe validation (replaces Zod)
HTTP Client @effect/platform HTTP operations
Database Drizzle ORM TypeScript ORM
Testing Vitest, bun:test Test framework

Context7 Library IDs

Query these libraries for current best practices:

Installs
3
Repository
5dlabs/cto
First Seen
Jan 24, 2026
effect-patterns — 5dlabs/cto