From 41% to 80% Accuracy: How Microsoft Optimized AI by Editing Just a Text File
SkillOpt: 52 out of 52 wins. Zero losses. GPT-5.5 jumped from 58.8% to 82.3% average — without touching model weights. The secret? Treating a Markdown file as a 'trainable parameter.' Cost: 1 to 4 edits in a .md file.