This Claude skill fixed my AI writing

I was going through some GitHub links I'd saved and almost missed this one. A repo called humanizer by blader . A single skill file for Claude. The description said: "Remove signs of AI-generated writing from text." I added it to Claude in about two minutes. Then I ran one of my old AI-drafted blog posts through it. I've been using it every day since. Why it matters Here's the thing nobody says out loud: AI-generated text has a specific smell. You know it when you read it. "Groundbreaking." "Seamless." "In today's rapidly evolving landscape." The three bullet points. The conclusion that says "the future looks bright." GPTZero catches it. Your readers catch it too — they just don't say anything. I'd tried the usual humanizer web apps. You paste your text, wait, get back slightly different AI text. Same structure. Same hollow rhythm. Just different synonyms. This is different. It runs inside Claude, targets 20+ specific patterns by name, and does a second pass where it asks itself: "what