What is CrewAI?

pip install crewai crewai-tools

from crewai import Agent, Task, Crew, Process

# Create agents
researcher = Agent(
    role="Senior Research Analyst",
    goal="Find and analyze the latest AI trends",
    backstory="""You are an expert researcher with years of experience
    in analyzing technology trends. You're known for your thorough
    research and clear insights.""",
    verbose=True
)

writer = Agent(
    role="Content Writer",
    goal="Create engaging content about AI trends",
    backstory="""You are a skilled writer who specializes in making
    complex topics accessible. You write in a clear, engaging style.""",
    verbose=True
)

# Create tasks
research_task = Task(
    description="""Research the top 3 AI trends for 2024.
    Focus on practical applications and business impact.""",
    expected_output="A detailed report on top AI trends",
    agent=researcher
)

writing_task = Task(
    description="""Write a blog post based on the research.
    Make it engaging and accessible for a general audience.""",
    expected_output="A 500-word blog post",
    agent=writer
)

# Create and run the crew
crew = Crew(
    agents=[researcher, writer],
    tasks=[research_task, writing_task],
    process=Process.sequential,  # Tasks run in order
    verbose=True
)

result = crew.kickoff()
print(result)

from crewai_tools import SerperDevTool, WebsiteSearchTool

# Search tool
search_tool = SerperDevTool()

# Website scraping tool
web_tool = WebsiteSearchTool()

# Agent with tools
researcher = Agent(
    role="Research Analyst",
    goal="Find accurate information from reliable sources",
    backstory="You are meticulous about fact-checking...",
    tools=[search_tool, web_tool],
    verbose=True
)

# The agent can now search the web and scrape websites!

crew = Crew(
    agents=[researcher, writer, editor],
    tasks=[research_task, writing_task, editing_task],
    process=Process.sequential
)
# Research → Writing → Editing

crew = Crew(
    agents=[researcher, writer, editor],
    tasks=[research_task, writing_task, editing_task],
    process=Process.hierarchical,
    manager_llm=ChatOpenAI(model="gpt-4")
)
# Manager decides task order and delegation

from crewai import Agent, Task, Crew, Process
from crewai_tools import SerperDevTool

search_tool = SerperDevTool()

# The Research Expert
researcher = Agent(
    role="Senior Tech Researcher",
    goal="Uncover cutting-edge developments in AI",
    backstory="""You work at a leading tech think tank. Your passion
    lies in identifying emerging trends and breaking down complex
    topics for a general audience.""",
    tools=[search_tool],
    verbose=True
)

# The Content Creator
writer = Agent(
    role="Tech Content Strategist",
    goal="Craft compelling content on tech advancements",
    backstory="""You are a renowned Content Strategist known for
    insightful and engaging articles. You transform complex
    concepts into compelling narratives.""",
    verbose=True
)

# The Quality Guardian
editor = Agent(
    role="Senior Editor",
    goal="Ensure content is polished and publication-ready",
    backstory="""With years of editing experience, you have a keen
    eye for detail and a passion for clear, impactful writing.""",
    verbose=True
)

# Define tasks
research = Task(
    description="""Research the latest AI agent frameworks.
    Focus on LangGraph, CrewAI, and AutoGen.
    Compare their approaches and use cases.""",
    expected_output="Comprehensive research notes with sources",
    agent=researcher
)

write = Task(
    description="""Write an engaging blog post based on the research.
    Target: developers new to AI agents.
    Length: 800-1000 words.
    Include code examples where relevant.""",
    expected_output="Complete blog post draft",
    agent=writer
)

edit = Task(
    description="""Edit the blog post for:
    - Clarity and flow
    - Technical accuracy
    - Engaging introduction and conclusion
    - Proper formatting""",
    expected_output="Polished, publication-ready blog post",
    agent=editor
)

# Assemble and run the crew
crew = Crew(
    agents=[researcher, writer, editor],
    tasks=[research, write, edit],
    process=Process.sequential,
    verbose=True
)

result = crew.kickoff()
print("=== FINAL OUTPUT ===")
print(result)