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?
Our AI coach will quiz you on this topic and give real-time feedback
Practice This Topic