Function Calling Implementation Patterns

via “function-calling-and-tool-integration-patterns”

21 Lessons, Get Started Building with Generative AI

Unique: Teaches function calling as a core pattern for building agents, with explicit code examples showing the full loop: query → schema → function call → execution → result → response. Positions function calling as the bridge between LLM reasoning and external system actions, enabling autonomous agent behavior.

vs others: More practical and immediately applicable than academic agent architecture papers, yet more comprehensive than single-provider API documentation, with explicit patterns for error handling and result integration.