Understanding Tool Calling in LLMs – Step-by-Step with REST and Spring AI

✅ What Spring AI Handles for You

✅ Tool schema generation

✅ Argument binding

✅ tool_call_id mapping

mapping ✅ Message state management

✅ Parallel tool orchestration

✅ Sequential tool routing

✅ Spring Boot DI, validation, and observability

✅ Compatible with OpenAI, Mistral, Gemini, and others

You keep writing business logic. Spring AI wires up everything else.

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