AI agents spent years as a concept and then as an experiment. Now, AI companies are devoting even more time and resources than before to make their agents actually useful for end users, whether they’re consumers or professionals.Anthropic on Thursday announced its next step toward that goal: Skills for Claude. The tool is made up of “folders that include instructions, scripts, and resources that Claude can load when needed to make it smarter at specific work tasks — from working with Excel [to] ...