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Why Your TypeScript Still Crashes in Production: Validating Data at the Boundary with Zod

Why Your TypeScript Still Crashes in Production: Validating Data at the Boundary with Zod

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7 min read
Why Your TypeScript Code Still Crashes in Production: Validating Data at Runtime Boundaries with Zod

Why Your TypeScript Code Still Crashes in Production: Validating Data at Runtime Boundaries with Zod

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6 min read
Generating a Zod schema from an API response sample, and what a sample can’t tell you

Generating a Zod schema from an API response sample, and what a sample can’t tell you

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2 min read
Stop Trusting JSON From Your LLM: Zod Validation and Repair Prompts

Stop Trusting JSON From Your LLM: Zod Validation and Repair Prompts

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5 min read
We replayed real cold email prompts through 7 LLMs. DeepSeek, Gemini Lite and GLM failed in a way no benchmark shows

We replayed real cold email prompts through 7 LLMs. DeepSeek, Gemini Lite and GLM failed in a way no benchmark shows

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5 min read
My Zod Schema Was Valid. The Library Said It Wasn't.

My Zod Schema Was Valid. The Library Said It Wasn't.

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3 min read
Uncontrolled-First React Forms: React Hook Form + Zod

Uncontrolled-First React Forms: React Hook Form + Zod

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4 min read
What Changed in Zod 4, and How I Migrated Production Schemas

What Changed in Zod 4, and How I Migrated Production Schemas

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4 min read
Your First LLM Call in TypeScript Is Untyped — Here's the Fix

Your First LLM Call in TypeScript Is Untyped — Here's the Fix

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6 min read
Tool Calling in TypeScript: Zod Schema to Working Function in 40 Lines

Tool Calling in TypeScript: Zod Schema to Working Function in 40 Lines

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5 min read
Type Every LLM Response with Zod and 4 Classes of Bug Disappear

Type Every LLM Response with Zod and 4 Classes of Bug Disappear

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5 min read
The Tool-Call Argument Your Model Gets Wrong — and the Validator That Catches It

The Tool-Call Argument Your Model Gets Wrong — and the Validator That Catches It

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5 min read
JSON Mode vs Structured Output vs Zod Parsing: Which Guarantees Shape

JSON Mode vs Structured Output vs Zod Parsing: Which Guarantees Shape

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5 min read
Request validation with Zod in Express

Request validation with Zod in Express

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3 min read
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