AI Agent Development Tools: 8 Must-Know Frameworks for Devs

Want to build your own AI Agent but don't know which framework to start with? This guide breaks down the 8 most popular AI Agent development tools among Python developers, from framework selection to dev environment setup, helping you get up to speed quickly.

💡 What You Will Learn

Want to build your own AI Agent but don't know which framework to start with? This guide breaks down the 8 most popular AI Agent development tools among Python developers, from framework selection to

📜 Table of Contents

• 2. AutoGen by Microsoft59K Stars
• 3. LangGraph37K Stars
• 4. Dify148K Stars

from crewai import Agent, Task, Crew

researcher = Agent(
    role='Researcher',
    goal='',
    backstory='Analyst',
    tools=[search_tool, web_scraper]
)

writer = Agent(
    role='Writer',
    goal='',
    backstory=''
)

task = Task(
    description='AI Agent',
    agent=researcher
)

crew = Crew(agents=[researcher, writer], tasks=[task])
result = crew.kickoff()

2. AutoGen by Microsoft59K Stars

from autogen import AssistantAgent, UserProxyAgent

assistant = AssistantAgent(
    name="assistant",
    llm_config={"config_list": [{"model": "gpt-4", "api_key": os.environ["OPENAI_API_KEY"]}]}
)

user_proxy = UserProxyAgent(
    name="user_proxy",
    human_input_mode="NEVER",
    code_execution_config={"work_dir": "coding"}
)

user_proxy.initiate_chat(assistant, message="Generate")

3. LangGraph37K Stars

from langgraph.graph import StateGraph, END

graph = StateGraph(MyState)
graph.add_node("analyze", analyze_node)
graph.add_node("search", search_node)
graph.add_node("generate", generate_node)
graph.add_edge("analyze", "search")
graph.add_conditional_edges("search", router, {"need_more": "search", "done": "generate"})
graph.add_edge("generate", END)

4. Dify148K Stars

# DifyAgent API
curl -X POST https://your-dify.app/api/workflows/run \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"inputs": {"query": ""}, "response_mode": "streaming"}'