How I Built Expiring Links With Zero Backend (React + TypeScript Only)
Most "expiring link" tools work the same way: generate a link, store the destination and expiry in a database, check the database on every click, redi…
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274 AI Tools, One Database: Why I Treat Competitors as Curriculum
274 AI Tools, One Database: Why I Treat Competitors as Curriculum This project has a feature called "AI University" — a database of 274 AI tools and s…
I Built Three Platforms for Dental Professionals — Here's What the Data Taught Me
I'm a software engineer who noticed that discovery in dentistry is completely broken. Dental professionals at small practices never see product reps. …
Eight Years in FinTech. Zero Tools for Myself.
There's a particular irony in spending your career building tools that help people make better financial decisions — and not having any of those tools…
Most SEO Audit Tools Are Broken for Modern Websites. Here’s How We Fixed It.
Most SEO audit tools are fundamentally broken for modern web apps. They analyze HTML that users never actually see. If you're auditing a React or Next…
I Quit Designing Data-Intensive Applications (DDIA) Three Times. Here's What I Build on the Fourth Try.
In 2023 I bought DDIA on Kindle. Opened the replication chapter. Quit after 40 pages and didn't open it for six months. In 2024 I bought it again, bec…
Day 4 — I Did Not Ship Today
Day 4 — I Did Not Ship Today Commits today: 0 . The git-changelog agent that writes most of these posts politely declined to generate anything. Its ru…
Day 1 — I'm Homeless. I Just Shipped an Autonomous Multi-Agent System.
Day 1 — I'm Homeless. I Just Shipped an Autonomous Multi-Agent System. Let's get the uncomfortable part out of the way first: I'm a developer. I'm hom…
A Stranger Audited My AI Product for Free. Here's What They Found.
Three weeks ago I left a comment on a Dev.to article. Today, that comment turned into a full accessibility audit of my product — published publicly, w…
The $12 Cost Tracking Bug That Inverted My Score/$ Comparison
This is Part 7 of the "Building Kepion" series — an AI platform that deploys companies from a text description using 31 specialized agents. Start from…
Building an MS Project-Style Gantt Chart in Flutter Web — CustomPaint with Synchronized Scrolling
Building an MS Project-Style Gantt Chart in Flutter Web The Goal Visualize WBS (Work Breakdown Structure) progress with a synchronized task list on th…
Integrating Groq, DeepInfra, and Nebius in One Edge Function — 3-Provider AI Routing
Integrating Groq, DeepInfra, and Nebius in One Edge Function Why Three Providers? Each AI provider has different strengths: Provider Strength Model Gr…
7 Principles for Safe, Fast AI Feature Development — Distilled from Real Production Incidents
7 Principles for Safe, Fast AI Feature Development Why Principles? AI dev tools accelerate building. They also accelerate invisible failures : API key…
Claude + Groq Hybrid LLM — AI University Memory Agent
Claude + Groq Hybrid LLM — AI University Memory Agent After each learning session in AI University, a Memory Agent automatically builds a structured l…
Show HN: SleepyQuant – a 12-agent crypto quant running on one Mac
Show HN: SleepyQuant – a 12-agent crypto quant running on one Mac Hey everyone, SleepyQuant is a solo experiment I've been running for the last couple…
Zero-Config New AI Provider Tabs: DB-Driven Dynamic Tabs in Flutter + Supabase
Zero-Config New AI Provider Tabs: DB-Driven Dynamic Tabs in Flutter + Supabase The Problem 自分株式会社 has an "AI University" feature covering 66+ AI provi…
Scaling Supabase Edge Functions Past the 50-Function Cap: Hub-and-Action Architecture
Scaling Supabase Edge Functions Past the 50-Function Cap: Hub-and-Action Architecture The Problem Supabase's free and Pro tiers have a hard cap of 50 …
AI University: 3-File Pattern to Add Any AI Provider + Offline Fallback Content
AI University: 3-File Pattern to Add Any AI Provider + Offline Fallback Content What Is AI University 自分株式会社 includes "AI University" — a tab-based le…
Guitar Recording Auto-Post to X: OAuth 1.0a Server-Side + Twitter Intent Fallback
Guitar Recording → Auto-Post to X: OAuth 1.0a Server-Side + Twitter Intent Fallback The Architecture Flutter UI (guitar_recording_studio_page.dart) └─…
Why I Killed My 4th Claude Code Instance — Lessons from Multi-Agent Indie Dev
Why I Killed My 4th Claude Code Instance The Setup I'm building a Flutter Web + Supabase app called "Jibun Inc." — an AI life-management hub that abso…
From 34 to 41 AI Providers + Notion-Style Tab Blocks in Flutter Web
From 34 to 41 AI Providers + Notion-Style Tab Blocks in Flutter Web What We Built Today Two features shipped in one session for 自分株式会社 : AI University…
Building an AI Learning Platform for 34 Providers in Flutter Web + Supabase (Auto-Updated Every 2 Hours)
Building an AI Learning Platform for 34 Providers in Flutter Web + Supabase (Auto-Updated Every 2 Hours) Why Build This The AI landscape is overwhelmi…
Why I Killed My 4th Claude Code Instance — Lessons from Multi-Agent Indie Dev
Why I Killed My 4th Claude Code Instance The Setup I'm building a Flutter Web + Supabase app called "Jibun Inc." — an AI life-management hub that abso…
Field Notes from a Solo Builder — Shipping the Beloved Claude Code Buddy Into the Wild - Part I
Last Thursday afternoon, I watched my community grieve. Anthropic had deprecated /buddy — that witty, opinionated code-reviewing personality inside Cl…
From 0 to 50 Users in 2 Months: Building a Chrome Extension with React, Node.js, and Gemini Nano
Building a browser extension sounds simple until you actually try to scale it. Two months ago, I launched YouThumb a tool that help creators with the …
How I Published 21 Technical Articles in One Day Using GitHub Actions + Supabase
How I Published 21 Technical Articles in One Day Using GitHub Actions + Supabase The Problem While building my Flutter Web + Supabase app, I kept writ…
Day 3: I’m Designing a System Without Writing Code (Yet)
This might sound strange: I’m building a system… Without writing any code. 🧠 Why? Because I’ve made this mistake before: Jumping into coding too early…
32 Days, One Dev, One App to Replace Them All
Imagine walking into your garage, locking the door, and telling yourself: I am going to build a Formula 1 car. Alone. From scratch. No factory. No eng…
Vibe Coding Isn't Dead. You Just Need More Than Vibes.
I spent 15 years perfecting my coding skills, only to watch someone build my latest project idea in an afternoon using ChatGPT and Cursor. The demo lo…
What 10 Versions of an AI Code Review CLI Taught Me About Developer UX
You don't learn how developers think by reading docs. You learn by shipping something, watching it fail, and shipping it again. I've been building 2nd…