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Building with CrewAI

The multi-agent system you keep hand-wiring is already built. Building with CrewAI shows how to assemble agents into crews that do real work, then govern them so they stay trustworthy.

Across eleven parts it goes from what an agent actually is (a role, a goal, and a backstory) to crews and flows, tools, the difference between memory and knowledge, permissions, scaling a crew without drowning it, runtime hooks, the commands that turn a demo into something you can trust, and shipping past your laptop.

Start at Part 1, or jump to any part below.

The parts

  1. The Multi-Agent System You Keep Hand-Wiring, Already Built
  2. An Agent Is Just a Role, a Goal, and a Backstory
  3. Who Decides What Your CrewAI Crew Does Next?
  4. Crews Are the Talent. CrewAI Flows Are the Project Manager.
  5. An Agent Without Tools Is Just a Chatbot With a Job Title
  6. Remembering Is Not the Same as Knowing: How CrewAI Memory and Knowledge Actually Differ
  7. Your CrewAI Agent Will Eventually Try to Delete the Test. Here Is How to Stop It.
  8. Stop Hand-Writing Every Tool: Three Ways to Grow a CrewAI Crew Without Drowning It
  9. Configuration Ends Where Hooks Begin: Governing a CrewAI Crew at Runtime
  10. The Four CrewAI Commands That Turn a Demo Into Something You Can Trust
  11. Your CrewAI Agent Works on Your Laptop. That Is Not the Same as Shipping It.
  12. Crew or Flow? The Two Questions That Actually Decide It
  13. The crewai CLI, End to End: The Two URLs That Stop Your AI Assistant From Hallucinating