Agent Frameworks

Back to Large Language Models

Systems that enable LLMs to take actions, use tools, and interact with external systems. Extend LLMs beyond text generation into autonomous task completion.

Key Frameworks

  • LangChain — composable chains, agents, tools, memory
  • LlamaIndex — data framework for RAG and agents
  • Function Calling — structured tool use via API (OpenAI, Anthropic)
  • Tool Use — LLM decides when and how to use external tools

nlp llm agents tool-use