Nil Ni / Blog
Notes on building useful things.
Products, growth, SEO, AI, and the occasional lesson that took too long to learn.
Nil Ni
The Gauntlet Loop: My Claude Code Prompt for Polishing Any Product
I adapted Matt Shumer’s Gauntlet Loop for QuizGen.ai. Here is the reusable Claude Code Opus 5 prompt—and the guardrails that keep it useful.
ai
Nil Ni
How I Use ChatGPT Pro as an External Senior Engineer for Codex
A reusable prompt and review workflow for pairing Codex with ChatGPT Pro without surrendering engineering ownership, security, or real validation.
ai