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Building effective agents

Anthropic's guidance on when to use workflows vs agents, tool design, and evaluation.

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GuidesllmstableReviewed 2026-05-19

Explained in Learn

  • What is an AI Agent?
  • What is an Agent Harness?

Used in stacks

  • Support agent basics

Pairs well with

  • 12-Factor Agents
  • Tool design for LLM agents

Tags

patternsevaluationdesign