@nicksadler.io: The AI that teaches itself to pass its own tests — that's the loop. Stop sending single prompts and hoping. Both OpenAI and Anthropic are pointing builders toward the same idea: self-improving loops where the model works, grades itself, and fixes until the output actually holds up. A free skill called plan-optimizer gets you there in one command. #AItools #promptengineering #claudeai #AIproductivity #buildwithAI Keywords: AI loops, prompt engineering, self-improving AI, plan-optimizer, Claude AI, OpenAI, Anthropic, AI productivity, AI tools, agentic AI, AI for founders, build with AI