| Learn how to implement OpenAI-style tool calling — from raw REST to elegant Spring AI annotations. Includes real code, diagrams, and end-to-end flow.🧠 What Is LLM Tool Calling?LLMs are great at chatting — but they’re blind to your data.They don’t know your inventory, your APIs, or how your systems work. But what if they could call your functions, run live SQL, or trigger internal services?That’s what tool calling enables. This blog shows you:🔧 How LLM tool calling works (in raw REST, step-by...