The Death of "String-Based" Descriptions in AI Integration

In the early days of building AI tools, we all followed the same pattern: Define a function. Write a clever docstring like: "This tool is very fast and deletes users securely." Pass it to the LLM. Pray it understands what "very fast" and "securely" means. As we move into 2026, it’s time to admit the truth: Free-form string descriptions are the #1 reason AI Agents fail. When you rely on "Vibes" (Prompt Engineering) to define your tools, you are essentially asking the AI to guess your intent. In t