Hi, I'm Vadim Alakhverdov
Software developer writing about JavaScript, web development, and the tools that make us productive.
Recent Posts
Monday 06/04/2026
· 9 min readHow to Measure If Your AI Feature Is Actually Working (A Guide for Product Teams)
Stop relying on vibes. Learn what metrics to track, how to set up A/B tests, and when to kill an AI feature that isn't delivering value.
Friday 03/04/2026
· 12 min readBuild an Agentic RAG Pipeline That Retries and Reformulates Queries
Upgrade your basic RAG pipeline to an agentic loop that evaluates retrieval quality, reformulates queries, and retries with alternative strategies — all in TypeScript.
Wednesday 01/04/2026
· 9 min readClaude Code Source Leak: What the Exposed Code Reveals About AI Agent Architecture
Anthropic accidentally shipped source maps in their Claude Code npm package, exposing the full architecture. Here is what the leaked code teaches us about building production AI agents.
Wednesday 01/04/2026
· 11 min readClaude Agent SDK vs OpenAI Agents SDK: Building AI Tools in TypeScript
Compare Claude Agent SDK and OpenAI Agents SDK by building the same coding assistant in both. Real TypeScript code, honest tradeoffs, and guidance on which to pick.
Monday 30/03/2026
· 13 min readWhy Most AI Agent Architectures Are Overengineered (And What to Build Instead)
Most AI agent use cases don't need multi-agent frameworks. Learn how to replace overengineered agent architectures with a simple tool-calling loop in TypeScript.
Friday 27/03/2026
· 11 min readHow to Build an AI-Powered Autocomplete for Any Text Input
Build a reusable React component that streams AI autocomplete suggestions as ghost text in any textarea — with debouncing, cancellation, and keyboard shortcuts.
Wednesday 25/03/2026
· 11 min readRun AI Models Directly in the Browser with WebLLM and WebGPU
Build a privacy-first note-taking app that summarizes and tags notes entirely in the browser using WebLLM and WebGPU — no API keys, no server, no data leaving the device.
Monday 23/03/2026
· 11 min readVercel AI SDK vs Mastra vs LangChain.js: Which TypeScript AI Framework Should You Use
Compare Vercel AI SDK, Mastra, and LangChain.js by building the same tool-calling agent in all three — with honest tradeoffs on DX, streaming, and production readiness.
Saturday 21/03/2026
· 11 min readBuild a Human-in-the-Loop AI Agent with Vercel AI SDK
Build a Next.js AI agent that asks for user approval before taking actions — using Vercel AI SDK's tool confirmation flow with streaming UI and approval dialogs.
Wednesday 18/03/2026
· 10 min readStructured Output with Zod: Force Any LLM to Return Typed JSON
Stop parsing messy LLM text with regex. Learn how to use Zod schemas to get reliable, typed JSON from Claude, OpenAI, and Vercel AI SDK — with validation, error recovery, and nested schemas.
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