LLleo leeindayu2333jinyul.hashnode.dev·Jul 1 · 2 min readRunning an AI Tools Directory as a Static Site: Search, Categories, and the Freshness ProblemAI tool directories are having a moment. Every week there's a new model, a new wrapper, a new "ChatGPT for X." Keeping a directory current is the real product — the UI is secondary. Here's how I built00
LLleo leeindayu2333jinyul.hashnode.dev·Jul 1 · 2 min readBuilding a Health Calculator Suite: Architecture Decisions for a Formula-Heavy Static SiteWhen every page is a different formula, your architecture matters more than your UI. I learned this building bodycalctool.com, a collection of free health calculators that runs entirely as a static si00
LLleo leeindayu2333jinyul.hashnode.dev·Jul 1 · 2 min readJavaScript Financial Math Is Harder Than It LooksBuilding financial calculators taught me that JavaScript and money don't mix well. Not because JS is bad — because floating point arithmetic is a universal problem and financial math exposes every edg00
LLleo leeindayu2333jinyul.hashnode.dev·Jul 1 · 2 min readPrompt Engineering for Logo Generation: Lessons From Building an AI Logo MakerI spent months building an AI logo generator at aielogo.com and the hardest part wasn't the image generation — it was prompt engineering. The naive approach to AI logo generation is "generate a logo f00
LLleo leeindayu2333jinyul.hashnode.dev·Jul 1 · 3 min readI Built a Resume Keyword Analyzer That Actually Understands Job DescriptionsI got tired of tailoring my resume for every job application. So I built a tool that does it for me — and learned a lot about text matching in the process. [resumeaiopt.com](https://resumeaiopt.com) s00
