I built a free open-source photo & video organizer for 27,000+ files (no cloud, no subscription)
I had 27,000+ photos and videos scattered across a Linux PC, external SSD, and multiple USB sticks. Every existing solution either required cloud acce…
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How to Build a Secure Serverless Port Scanner in Node.js (and Prevent SSRF)
Every network engineer and systems developer needs to verify connection ports. Whether you're debugging why a remote database connection is failing, c…
AI-Powered Node.js: Why Node.js + AI Is Becoming a Powerful Combination
For the last few years, I've been working mostly with Node.js for building scalable APIs, backend services, and cloud-based applications. Recently, I'…
Why Your AI Side-Hustle Script Won't Run: 5 JavaScript Config Failures That Break Claude/OpenAI Tools (and How to Isolate Node v
If you've ever copied a working AI automation script, run node tool.js , and watched it die with Cannot use import statement outside a module or fetch…
We Proved Deterministic Actor Migration Is Possible for XState — Here's the Model
We've written before about how StateKeep migrates running actors when a workflow definition changes — routing by event history fingerprint instead of …
Validate and Mask Environment Variables in Node.js and TypeScript
Configuring environment variables seems simple, but it frequently leads to two common issues in production-grade applications: Missing Variables: A de…
Nestjs — Stop burning AI credits to write Swagger docs, let the CLI do it!
Last Sunday I shared nestjs-docfy, a small library to move Swagger decorators out of NestJS controllers into companion *.controller.docs.ts files. The…
How I Wired Google Search Console to Telegram on Day One
Most people check Google Search Console by logging in, navigating to the property, clicking through the date filters, and reading off numbers. That wo…
Your AI coding agent keeps re-trying the fix that already failed. I built a zero-dependency cure.
There's a specific loop that anyone who codes with AI agents knows by heart. The agent tries a fix. The test fails. It tries something else. Fails aga…
Diagnose Node.js CommonJS vs ESM Errors with Claude: A Copy-Paste Prompt Kit (ERR_REQUIRE_ESM, ERR_MODULE_NOT_FOUND)
By the end of this article you'll have a small Node.js script that pipes a module-resolution error ( ERR_REQUIRE_ESM , ERR_MODULE_NOT_FOUND , Cannot u…
Stop sharing .env files in Discord. I built a zero-setup, E2E encrypted CLI instead.
Sharing environment variables during a quick project hand-off shouldn't require setting up a heavy enterprise vault like Doppler or Infisical. But it …
Debugging and Eliminating Invisible Memory Leaks in Node.js Event Loops
When building microservices or background worker processes that are meant to run continuously for months at a time, memory management becomes critical…
AI image generation with OpenAI API
OpenAI exposes image generation through the Image API ( POST /images/generations ). The official openai npm package wraps it as client.images.generate…
I built a JS image compressor that actually handles iPhone HEIC photos
I built a JS image compressor that actually handles iPhone HEIC photos If you've ever built a file upload feature, you've probably hit this: a user up…
I Got Tired of Repeating Validation Logic in Every Node.js Project — So I Built Zero Validation
How I Published My Own Validation Package on npm As developers, we've all done this: if ( ! email ) { throw new Error ( " Email is required " ); } if …
Why is my Node.js app slow? An OpenTelemetry debugging checklist
Node.js makes single-threaded asynchronous I/O cheap. It also makes a single bad pattern in one corner of the codebase capable of slowing the whole pr…
Building AI agents with Vercel AI SDK
The Vercel AI SDK treats agents as tool-calling loops : the model generates text or invokes tools, the SDK runs those tools, and the loop continues un…
Fix: node-sass is end-of-life — migrate to Dart Sass in one command
node-sass has been officially deprecated since 2022 and is now end-of-life. It breaks on every new Node.js version upgrade with the error: "Node Sass …
llm-cli-gateway 2.5.0: OAuth for remote MCP connectors and safer workspaces
llm-cli-gateway 2.0.0 was the quiet supply-chain release. It moved persistence to Node's built-in node:sqlite , removed the production better-sqlite3 …
The Anti-Bot Detection Checklist I Use Before Every Scraping Project
The Anti-Bot Detection Checklist I Use Before Every Scraping Project Every scraping project I take on starts with this checklist. Not because I'm para…
Scarab Diagnostic Suite Field Test #017: Node.js Readline Line-Separator Boundary
This field test was against Node.js. The issue was Node.js #22448: https://github.com/nodejs/node/issues/22448 The public PR is here: https://github.c…
Error Handling in Node.js: Beyond Try/Catch (2026)
Error Handling in Node.js: Beyond Try/Catch (2026) Try/catch is just the beginning. Real-world error handling is about resilience, observability, and …
LLM integration with Vercel AI SDK
Large language models (LLMs) understand and generate text from prompts. The Vercel AI SDK is a provider-agnostic layer over LLM APIs - core functions …
How to Convert Webpages into Clean Markdown for LLMs (in 5ms)
If you've ever tried feeding raw web pages into an LLM (like GPT-4 or Claude) to build a chatbot, search assistant, or RAG (Retrieval-Augmented Genera…
SQLite in Production: Why We Chose It Over Postgres for a Multi-Tenant SaaS
"You're using SQLite in production? For a SaaS?" — every developer who hears about our stack. Yes. And after a year of running it with hundreds of act…
Fix: babel-plugin-transform-flow-strip-types broken in Babel 7 and 8
The original babel-plugin-transform-flow-strip-types hasn't been updated in 9 years and breaks silently in Babel 7 and 8 environments. The fix I publi…
Building an MCP server with Node.js
The Model Context Protocol (MCP) is an open standard for connecting AI hosts (Claude, ChatGPT, Cursor, VS Code, and others) to external context and ac…
Stop Wasting Hours on MERN Setup (Free Auth Boilerplate)
Hey devs, Every time I start a new side-project, I end up wasting the first few hours on the exact same setup: connecting MongoDB, configuring bcrypt,…
Nodejs : from Hate to love
"simplicity is the ultimate sophistication" by "leonardo da vinci" .To understand it I spend a lot of my precious time. I was the guy who was curious …
I Built a Production-Ready Node.js SaaS Boilerplate So You Don't Have To
Every time I started a new SaaS project, I spent the first 3 days building the same things. Auth. Billing. Database setup. Deployment config. Every. S…