This story is from The Algorithm, our weekly newsletter on AI. To get it in your inbox first, sign up here. Generative AI models have become remarkably good at conversing with us, and creating images, videos, and music for us, but they’re not all that good at doing things for us. AI agents promise to change that. Think of them as AI models with a script and a purpose. They tend to come in one of two flavors. The first, called tool-based agents, can be coached using natural human language (rather…