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SMSyed Muhammad Alidevstacked.hashnode.dev2d ago · 14 min read

Zod vs Yup in 2026: Which Validation Library Should You Use?

You've got a signup form. Email, password, maybe a checkbox for terms and conditions. Simple, right? Then someone submits email: 123 and your API route crashes with a cryptic error three files deep, b

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OKOnkar Konkark.hashnode.devJun 29 · 5 min read

Part 2: Structured JSON Outputs

🛠️ Pre-Flight Configuration Tech Stack: TypeScript, Bun/Node.js, Groq SDK (groq-sdk), Zod SDK(zod) Prerequisites: Valid Groq API Key, basic understanding of environment variables. GitHub Repositor

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DZDmitry Zaporozhanthezap.hashnode.devJun 22 · 7 min read

Stop parsing GPT's JSON by hand: structured output with OpenAI Responses API, Zod and TypeScript

I shipped a feature that sends a photo to a vision model and gets back structured feedback — three labeled fields, every time, no exceptions. The hard part wasn't the prompt. It was getting the model

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SKShubham Kumar Singhblog.realdev.clubJun 13 · 69 min read

Building a Mini Centralized Exchange (CEX) with Bun, TypeScript, Redis, and PostgreSQL

Architecture of Centralized Exchange Before diving into the implementation details, let's look at the overall architecture of the exchange. This high-level view shows how the different services intera

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GHGonzalo Herrera Llobetagonll.hashnode.devMay 24 · 3 min read

Stop Writing Fake Data by Hand. Let Your Zod Schema Do It.

If you use Zod, you already described the shape of your data. So why are you describing it a second time with faker? The problem This is a pattern most TypeScript devs have written at least once: cons

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SSSoumabha Sahasoumabhasaha.hashnode.devMay 15 · 2 min read

Pagination in mongo-db with mongoose.js

Install pagination-v2 and aggregate-paginate-v2 . I have used zod for validation. import z from "zod"; import mongoosePaginate from "mongoose-paginate-v2"; import mongoose, { AggregatePaginateModel }

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TPTushar Patilblog.techtush.inMay 13 · 15 min read

📦 Build and Publish a Reusable TypeScript MCP Client SDK

This is Part 8 of the AI Engineering with TypeScript series. Prerequisites: Part 1 · Part 2 · Part 3 · Part 4 · Part 5 · Part 6 · Part 7 Stack: Node.js 20+ · TypeScript 5.x · @modelcontextprotocol/sdk

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TPTushar Patilblog.techtush.inMay 10 · 10 min read

🐳 Production MCP Servers: Streamable HTTP, OAuth 2.0, Zod Validation, and Docker

This is Part 5 of the AI Engineering with TypeScript series. Prerequisites: Part 1 · Part 2 · Part 3 · Part 4 Stack: Node.js 20+ · Express 5 · @modelcontextprotocol/sdk v1.x · Zod · TypeScript 5.x · D

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TSTripthi Shettyqualitystack.hashnode.devApr 27 · 5 min read

Contract Testing Without Pact: Using Shared Zod Schemas as a Source of Truth

TL;DR Contract testing prevents frontend and backend drift. Tools like Pact automate this but introduce additional complexity and duplicate definitions. Shared Zod schemas offer a simpler alternative

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Rrecca0120recca0120.hashnode.devApr 21 · 5 min read

Zod: TypeScript Schema Validation Without the Boilerplate

Originally published at recca0120.github.io Do you validate the data your backend API returns? Most people just use as to cast the type and hope the data matches expectations. Zod lets you define a schema once and get both runtime validation and Type...

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Trending tags this week

Zod vs Yup in 2026: Which Validation Library Should You Use?

Part 2: Structured JSON Outputs

Stop parsing GPT's JSON by hand: structured output with OpenAI Responses API, Zod and TypeScript

Building a Mini Centralized Exchange (CEX) with Bun, TypeScript, Redis, and PostgreSQL

Stop Writing Fake Data by Hand. Let Your Zod Schema Do It.

Pagination in mongo-db with mongoose.js

📦 Build and Publish a Reusable TypeScript MCP Client SDK

🐳 Production MCP Servers: Streamable HTTP, OAuth 2.0, Zod Validation, and Docker

Contract Testing Without Pact: Using Shared Zod Schemas as a Source of Truth

Zod: TypeScript Schema Validation Without the Boilerplate