AI & GenAI Engineering
Tool Calling and Function Use
Tool Calling empowers Large Language Models (LLMs) to interact with external systems by invoking functions and APIs. This capability is crucial for building production-ready AI agents that can perform real-world tasks beyond content generation.
LLMAPIFunction CallingStructured OutputAgentic AIError HandlingSecurityTool Integration
Practice this topic with AI
Get coached through this concept in a mock interview setting
Tool Calling and Function Use - System Design Diagram
Ready to practice?
Learn step-by-step with diagrams, or get quizzed by an AI interviewer