Transporte SSE

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

server_params = {
    "url": "http://localhost:8000/sse", # Replace with your actual SSE server URL
    "transport": "sse" 
}

# Using MCPServerAdapter with a context manager
try:
    with MCPServerAdapter(server_params) as tools:
        print(f"Available tools from SSE MCP server: {[tool.name for tool in tools]}")

        # Example: Using a tool from the SSE MCP server
        agente_sse = Agent(
            role="Usuário de Serviço Remoto",
            goal="Utilizar uma ferramenta fornecida por um servidor MCP remoto via SSE.",
            backstory="Um agente de IA que conecta a serviços externos via SSE.",
            tools=tools,
            reasoning=True,
            verbose=True,
        )

        sse_task = Task(
            description="Buscar atualizações em tempo real das ações 'AAPL' usando uma ferramenta SSE.",
            expected_output="O preço mais recente da ação AAPL.",
            agent=agente_sse,
            markdown=True
        )

        sse_crew = Crew(
            agents=[agente_sse],
            tasks=[sse_task],
            verbose=True,
            process=Process.sequential
        )
        
        if tools: # Only kickoff if tools were loaded
            result = sse_crew.kickoff() # Add inputs={'stock_symbol': 'AAPL'} if tool requires it
            print("\nCrew Task Result (SSE - Managed):\n", result)
        else:
            print("Skipping crew kickoff as tools were not loaded (check server connection).")

except Exception as e:
    print(f"Error connecting to or using SSE MCP server (Managed): {e}")
    print("Ensure the SSE MCP server is running and accessible at the specified URL.")

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

server_params = {
    "url": "http://localhost:8000/sse", # Replace with your actual SSE server URL
    "transport": "sse"
}

mcp_server_adapter = None 
try:
    mcp_server_adapter = MCPServerAdapter(server_params)
    mcp_server_adapter.start()
    tools = mcp_server_adapter.tools
    print(f"Available tools (manual SSE): {[tool.name for tool in tools]}")

    manual_sse_agent = Agent(
        role="Analista Remoto de Dados",
        goal="Analisar dados obtidos de um servidor MCP remoto SSE usando gerenciamento manual de conexão.",
        backstory="Um agente de IA especializado em gerenciar conexões SSE explicitamente.",
        tools=tools,
        verbose=True
    )
    
    analysis_task = Task(
        description="Buscar e analisar as tendências mais recentes de atividade de usuários do servidor SSE.",
        expected_output="Um relatório resumido das tendências de atividade dos usuários.",
        agent=manual_sse_agent
    )
    
    analysis_crew = Crew(
        agents=[manual_sse_agent],
        tasks=[analysis_task],
        verbose=True,
        process=Process.sequential
    )
    
    result = analysis_crew.kickoff()
    print("\nCrew Task Result (SSE - Manual):\n", result)

except Exception as e:
    print(f"An error occurred during manual SSE MCP integration: {e}")
    print("Ensure the SSE MCP server is running and accessible.")
finally:
    if mcp_server_adapter and mcp_server_adapter.is_connected:
        print("Stopping SSE MCP server connection (manual)...")
        mcp_server_adapter.stop()  # **Crucial: Ensure stop is called**
    elif mcp_server_adapter:
        print("SSE MCP server adapter was not connected. No stop needed or start failed.")