CrewAI Agent Design Guide How to design effective agents with the right role, goal, backstory, tools, and configuration. --- The 80/20 Rule Spend 80% of your effort on task design, 20% on agent design. A well-designed task elevates even a simple agent. But even the best agent cannot rescue a vague, poorly scoped task. Get the task right first (see the skill), then refine the agent. --- 0. How Many Agents Do You Actually Need? Default to ONE agent. Add more only when the task genuinely splits into work that requires: - Different tools or permissions — e.g. one agent has Slack write access, ano…