A Beginner's Guide to AI Agents That Take Action on Your Behalf: What Enterprise Backend Teams Need to Understand About Tool Use, Permissions, and Why "Just Let It Run" Is Never a Safe Default
Not long ago, AI in the enterprise meant a chatbot answering FAQs or a model summarizing a document. The human was always in the loop, always clicking "send," always making the final call. That era is effectively over. In 2026, AI agents are writing code, querying databases, sending