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Optional static type-checking for JavaScript.

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Building Bilgo: Cross-Platform Real-Time State Sync Between Android and React Web

Building Bilgo: Cross-Platform Real-Time State Sync Between Android and React Web

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2 min read
I built a Discord bot that reads Vietnamese chat aloud. Here's what broke once real servers used it

I built a Discord bot that reads Vietnamese chat aloud. Here's what broke once real servers used it

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6 min read
Try a React component without creating a project

Try a React component without creating a project

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3 min read
Implementing HTTP 402 (x402) Autonomous AI Agent Micropayments on Cloudflare Edge Workers

Implementing HTTP 402 (x402) Autonomous AI Agent Micropayments on Cloudflare Edge Workers

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2 min read
The design system is a contract, not a component library

The design system is a contract, not a component library

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1 min read
Monitoring durable functions: telemetry in TypeScript

Monitoring durable functions: telemetry in TypeScript

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16 min read
Next.js 16: Fixing "cookies() can't be read inside 'use cache'" (and Caching Public Data Without It)

Next.js 16: Fixing "cookies() can't be read inside 'use cache'" (and Caching Public Data Without It)

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10 min read
I Packaged Our Tariff Engine for npm — Versioned Data, Zero Dependencies, and Trusted Publishing

I Packaged Our Tariff Engine for npm — Versioned Data, Zero Dependencies, and Trusted Publishing

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5 min read
Media Contact Forms: 3 Evidence Paths for High-Deliverability US Support Email

Media Contact Forms: 3 Evidence Paths for High-Deliverability US Support Email

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6 min read
An agent that remembers who burned it

An agent that remembers who burned it

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7 min read
LLM Evals Start as Thirty Test Cases, Not a Platform

LLM Evals Start as Thirty Test Cases, Not a Platform

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4 min read
33 planes are around Frankfurt Airport right now. Here's how I know (in 20 lines of TypeScript)

33 planes are around Frankfurt Airport right now. Here's how I know (in 20 lines of TypeScript)

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3 min read
Your AI Agent Doesn't Belong Inside an HTTP Request

Your AI Agent Doesn't Belong Inside an HTTP Request

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8 min read
Our desktop app has to tell us which price it showed, and a build that cannot is charged £20 instead of €24.99

Our desktop app has to tell us which price it showed, and a build that cannot is charged £20 instead of €24.99

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7 min read
How we built a QR code designer that can't break scanning

How we built a QR code designer that can't break scanning

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4 min read
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