LLM Agents & Tool Use

Letting an LLM decide which actions to take — calling tools, APIs, or other models — rather than just generating text.

Read

45 min

Practice MCQs

25

Interview QA

25

Edition

v4

Editorial status

Reviewed

Relevant for

AI Engineer,Agentic AI Engineer,Forward Deployed Engineer (FDE)

Scope: ReAct, Toolformer, MRKL, Gorilla, AgentBench, WebArena, SWE-bench, JSON Schema 2020-12, OpenAPI 3.1.1, NIST AI RMF, and OWASP GenAI agent risks reviewed 2026-09-06.