Reparsing the whole LLM response on every chunk recreates elements and loses state such as text selection. streamAppendHTML() returns a WritableStream that parses HTML onto the end of an element. This article covers its usage and sanitization.

Claude now supports MCP Tasks and Elicitation. Tasks turn slow tool calls into a task ID plus polling, and Elicitation asks the user for input mid-operation. This article builds an MCP server with the TypeScript SDK and calls it from Claude Code.

Safari 27.1 ships the Device Posture API and Viewport Segments API behind feature flags for foldables like iPhone Duo. This article explains how both APIs work, how they evolved, and how to build layouts that avoid the fold.

The OpenAI Decisions API returns condition checks, classifications, and graded ratings for an input. Using an example that evaluates support inquiries from TypeScript, this article explains when to use predicate, choice, and score.

MCP Events is an experimental extension that lets MCP servers notify subscribers of events via poll, push, or webhook delivery. This article gives an overview, then uses AI SDK's webhook support to subscribe, receive events, refresh, and unsubscribe.

Chrome DevTools MCP lets AI agents drive a browser, but the DOM can't tell them which component rendered an element or why it is slow. react-devtools-cdt-mcp registers React inspection and profiling tools with it. Let's try it with Claude Code.

Trusting AI-generated code requires understanding before implementation and verification after it. pstack is an agent skill collection that combines investigation, design, implementation, and review. This article covers its principles and usage.

Claude Code Mods are TypeScript/JavaScript functions that run inside the Claude Code process to observe, rewrite, or answer events. This article builds a mod that blocks dangerous Bash commands and explains how Mods work, their design, and security.

Void is VoidZero's toolkit for building full-stack Vite apps and deploying them to Cloudflare. It infers resources from imports like void/db. This article builds a React memo app on D1 and deploys it with a single void deploy command.

Tags and branches in GitHub Actions can change the code that runs without any workflow change. Workflow dependency lockfiles pin dependencies to commit SHAs while keeping readable tags. This article shows how to use them.

A document can run only one `document.startViewTransition()` at a time, drawn over the whole page. `element.startViewTransition()` scopes a transition to an element so several can run at once. This article shows the basics by animating two lists.

MyGo is a framework for building desktop apps in Go. It shows a web UI in the OS WebView and calls native features through a TypeScript client generated from Go methods. This article builds a memo app that saves text to a file on macOS.