Glossary › Agents

Tool Use

Capability where an LLM calls external functions/APIs to gather information or perform actions. Enabled by function calling. Tools extend the model's knowledge and capabilities beyond training data.

Where this is taught

• Fine-Tuning Agents for Tool Use — Phase 8: Production Agent Infrastructure
• Few-Shot Prompting for Tool Use — Phase 1: Advanced Prompt Engineering for Agents
• Building the Tool Layer — Build Your First AI Agent from Scratch
• Structured Outputs & Function Calling — Phase 0: LLM Fast Track
• What Is an Agent, Really? — Build Your First AI Agent from Scratch
• Structured Output from LLMs — JSON Schemas, Function Calling, and Validation — Phase 3: AI Document Processing & Data Extraction

Related terms

Function Calling · Agent · MCP

More in Agents

Agent · ReAct · MCP (Model Context Protocol) · Multi-Agent System · Orchestration · Sandboxing

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