Varun Kumawat (@thisisvarun)

VKVarun Kumawatdevhubcommunity.hashnode.devAug 2 · 17 min read

Building DoStuff: An AI Agent From Scratch (No Frameworks, Just the Fundamentals)

Watch the walkthrough for a less technical deep dive: https://www.youtube.com/watch?v=Ah3I2DKsljo Most "build an AI agent" tutorials wrap LangChain or a similar framework around a model and call it do

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VKVarun Kumawatdevhubcommunity.hashnode.devJul 23 · 9 min read

Integrating PostHog into a Next.js + Supabase App: A Practical Guide

Analytics setup usually starts simple: drop in a script tag, call capture() a few times, ship it. Then a few weeks later you're staring at a PostHog dashboard full of near-duplicate event names, missi

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VKVarun Kumawatdevhubcommunity.hashnode.devJul 23 · 10 min read

Debugging a Memory Crash in My Next.js 15 App on Render's Free Tier

For weeks, my Next.js 15 app kept crashing on Render's free tier (512MB RAM) with the same fatal error: <--- Last few GCs ---> [64:0x2b8f5000] 4088091 ms: Scavenge 247.6 (257.2) -> 246.8 (257.2) MB, .

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VKVarun Kumawatdevhubcommunity.hashnode.devJul 23 · 4 min read

Deep Dive into Generator Functions, Iterables, and Iterators in JavaScript

Understand how iteration works under the hood, how generators offer lazy and pausable control flow, and how to build your own iterable data pipelines. The Foundation: Iteration Protocols in JavaScrip

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VKVarun Kumawatdevhubcommunity.hashnode.devJul 23 · 8 min read

Engineering an AI-Native Interface: Architecture, Authentication, and Lessons from Shipping the GetHired MCP Server

The GetHired MCP Server emerged from a straightforward architectural premise: What if AI agents could interact with GetHired directly as a first-class programmatic client, bypassing the UI entirely? G

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Varun Kumawat

About

Available for

Varun Kumawat's blogs

Recently published

Building DoStuff: An AI Agent From Scratch (No Frameworks, Just the Fundamentals)

Integrating PostHog into a Next.js + Supabase App: A Practical Guide

Debugging a Memory Crash in My Next.js 15 App on Render's Free Tier

Deep Dive into Generator Functions, Iterables, and Iterators in JavaScript

Engineering an AI-Native Interface: Architecture, Authentication, and Lessons from Shipping the GetHired MCP Server

Varun Kumawat

About

Available for

Varun Kumawat's blogs

Recently published

Building DoStuff: An AI Agent From Scratch (No Frameworks, Just the Fundamentals)

Integrating PostHog into a Next.js + Supabase App: A Practical Guide

Debugging a Memory Crash in My Next.js 15 App on Render's Free Tier

Deep Dive into Generator Functions, Iterables, and Iterators in JavaScript

Engineering an AI-Native Interface: Architecture, Authentication, and Lessons from Shipping the GetHired MCP Server

Varun Kumawat

About

Available for

Varun Kumawat's blogs

Recently published

Building DoStuff: An AI Agent From Scratch (No Frameworks, Just the Fundamentals)

Integrating PostHog into a Next.js + Supabase App: A Practical Guide

Debugging a Memory Crash in My Next.js 15 App on Render's Free Tier

Deep Dive into Generator Functions, Iterables, and Iterators in JavaScript

Engineering an AI-Native Interface: Architecture, Authentication, and Lessons from Shipping the GetHired MCP Server

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Varun Kumawat

About

Available for

Varun Kumawat's blogs

Recently published

Building DoStuff: An AI Agent From Scratch (No Frameworks, Just the Fundamentals)

Integrating PostHog into a Next.js + Supabase App: A Practical Guide

Debugging a Memory Crash in My Next.js 15 App on Render's Free Tier

Deep Dive into Generator Functions, Iterables, and Iterators in JavaScript

Engineering an AI-Native Interface: Architecture, Authentication, and Lessons from Shipping the GetHired MCP Server